Mike Holt’s
2011 NEC INDEX ®
Released 9.6.11
Mike Holt’s 2011 NEC Index Introduction This index is a ree resource rom Mike Holt Enterprises, Inc. It was designed to help you nd what you’re looking or in the Code book in seconds! This index lists all those dicult key words and gives you the section where these words appear in the Code . It’s a great tool to get you amiliar with those hard to nd reerences in the NEC ! Use this index along with your Code book and tabs (below) and you’ll be in great shape!
About the Author Mike Holt worked his way up through the electrical trade rom an apprentice electrician to become one o the most recognized experts in the world as it relates to electrical power installation. He was a Journeyman Electrician, Master Electrician, and Electrical Contractor. Mike came rom the real world, and his dedication to electrical training is the result o his own struggles as an electrician looking or a program that would help him succeed in this challenging industry. It is or reasons like this that Mike continues to help the industry by providing ree resources such as this index. It is the goal o Mike Holt and everyone on the Mike Holt Team Team to do everything in our power to aid you in your pursuit o excellence. For more great FREE resources rom Mike Holt visit www.MikeHolt.com.
Code Book Need to order a Code book? The spiral edition makes the Code book much easier to use. The spiral coil allows you to conveniently study by placing the book olded on your desk. It lays fat and you can even put it on a hook in your truck. The most widely adopted element o a building code in the United States and the world, the NEC is the benchmark or sae and ecient electrical installations. Whether your jurisdiction adopts the 2011 Code immediately or down the road, you need to extend your knowledge and take advantage o the benets right away, not months or years behind your peers in the electrical industry.
Tabs T abs Peel-and-stick Tabs Tabs are a great way to customize your Code book. These 84 sel adhesive tabs allow you to mark and reerence important articles and tables quickly. They are compatible with the 2011 Code Book and Handbook. Included Included in the set is a 16 in. x 20 in. Commercial and Industrial Wiring and Raceway Chart and an Ohms Wheel Sticker.
For more on this and other products, products, visit visit www www.MikeHolt.com/NEC. .MikeHolt.com/NEC.
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Mike Holt’s 2011 NEC Index
How to Use the National Electrical Code The National Electrical Code is written or persons who understand electrical terms, theory, saety procedures, and electrical trade practices. These individuals include electricians, electrical contractors, electrical inspectors, electrical engineers, designers, and other qualied persons. The Code isn’t written to serve as an instructive or teaching manual or untrained individuals [90.1(C)].
impossible to properly apply the NEC requirement. Be sure you understand that Article 100 denes the terms that apply to two or more Code articles. For example, the term “Dwelling Unit” is ound in many articles; i you don’t know what a dwelling unit is, how can you apply the requirements or it?
Learning to use the NEC is like learning to play the game o chess; it’s a great game i you enjoy mental warare. When learning to play chess, you must rst learn the names o the game pieces, how the pieces are placed on the board, and how each piece moves.
that given article. For example, Section 250.2 contains the de-
Once you understand the undamentals, you’re ready to start playing the game. Unortunately, at this point all you can do is make crude moves, because you really don’t understand how all the inormation works together. To play chess well, you’ll need to learn how to use your knowledge by working on subtle strategies beore you can work your way up to the more intriguing and complicated moves.
In addition, many articles have terms unique or that specic article and denitions o those terms are only applicable or initions o terms that only apply to Article 250—Grounding and Bonding.
Small Words, Grammar, and Punctuation It’s not only the technical words that require close attention, because even the simplest o words can make a big dierence to the application o a rule. The word “or” can imply alternate choices or equipment wiring methods, while “and” can mean an additional requirement. Let’s not orget about grammar and punctuation. The location o a comma can dramatically change the requirement o a rule.
Not a Game Electrical work isn’t a game, and it must be taken very seriously. Learning the basics o electricity, important terms and concepts, as well as the basic layout o the NEC gives you just enough knowledge to be dangerous. There are thousands o specic and unique applications o electrical installations, and the Code doesn’t cover every one o them. To saely apply the NEC , you must understand the purpose o a rule and how it aects the saety aspects o the installation.
NEC Terms and Concepts
Slang Terms or Technical Jargon Electricians, engineers, and other trade-related proessionals use slang terms or technical jargon that isn’t shared by all. This makes it very dicult to communicate because not everybody understands the intent or application o those slang terms. So where possible, be sure you use the proper word, and don’t use a word i you don’t understand its denition and application. For example, lots o electricians use the term “pigtail” when describing the short conductor or the connection o a receptacle, switch, luminaire, or equipment. Although they may understand it, not everyone does.
The NEC contains many technical terms, so it’s crucial or Code users to understand their meanings and their applications. I you don’t understand a term used in a Code rule, it will be
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iii
How to Use the NEC
NEC Style and Layout Beore we get into the details o the NEC , we need to take a ew moments to understand its style and layout. Understanding the structure and writing style o the Code is very important beore it can be used and applied eectively. The National Electrical Code is organized into ten major components. 1. Table o Contents 2. Article 90 (Introduction to the Code ) 3. Chapters 1 through 9 (major categories) 4. Articles 90 through 840 (individual subjects) 5. Parts (divisions o an article) 6. Sections and Tables ( Code requirements) 7. Exceptions ( Code permissions) 8. Inormational Notes (explanatory material) 9. Annexes (inormation) 10. Index 1. Table of Contents. The Table o Contents displays the layout o the chapters, articles, and parts as well as the page numbers. It’s an excellent resource and should be reerred to periodically to observe the interrelationship o the various NEC components. When attempting to locate the rules or a particular situation, knowledgeable Code users oten go rst to the Table o Contents to quickly nd the specic NEC Part that applies. 2. Introduction. The NEC begins with Article 90, the introduction to the Code . It contains the purpose o the NEC , what’s covered and what isn’t covered along with how the Code is arranged. It also gives inormation on enorcement and how mandatory and permissive rules are written as well as how explanatory material is included. Article 90 also includes inormation on ormal interpretations, examination o equipment or saety, wiring planning, and inormation about ormatting units o measurement. 3. Chapters. There are nine chapters, each o which is divided
Chapter 1 General Chapter 2 Wiring and Protection Chapter 3 Wiring Methods and Materials Chapter 4 Equipment or General Use Chapter 5 Special Occupancies Chapter 6 Special Equipment Chapter 7 Special Conditions Chapter 8 Communications Systems (Telephone, Data, Satellite, Cable TV and Broadband) Chapter 9 Tables–Conductor and Raceway Specications 4. Articles. The NEC contains approximately 140 articles, each o which covers a specic subject. For example: Article 110 Requirements or Electrical Installations Article 250 Grounding and Bonding Article 300 Wiring Methods Article 430 Motors, Motor Circuits, and Controllers Article 500 Hazardous (Classied) Locations, Classes I, II, and III, Divisions 1 and 2 Article 680 Swimming Pools, Fountains, and Similar Installations Article 725 Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits Article 800 Communications Circuits 5. Parts. Larger articles are subdivided into parts. Because the parts o a Code article aren’t included in the section numbers, we have a tendency to orget what “part” the NEC rule is relating to. For example, Table 110.34(A) contains working space clearances or electrical equipment. I we aren’t careul, we might think this table applies to all electrical installations, but Table 110.34(A) is located in Part III, which only contains requirements or “Over 600 Volts, Nominal installations.” The rules or working clearances or electrical equipment or systems 600V, nominal, or less are contained in Table 110.26(A)(1), which is located in Part II—600 Volts, Nominal, or Less.
into articles. The articles all into one o our groupings: General Requirements (Chapters 1 through 4), Specic Requirements (Chapters 5 through 7), Communications Systems (Chapter 8), and Tables (Chapter 9).
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Mike Holt’s 2011 NEC Index
How to Use the NEC
6. Sections and Tables. Sections. Each NEC rule is called a “ Code Section.” A Code section may be broken down into subsections by letters in parentheses (A), (B), and so on. Numbers in parentheses (1), (2), and so orth, may urther break down a subsection, and lowercase letters (a), (b), and so on, urther break the rule down to the third level. For example, the rule requiring all receptacles in a dwelling unit bathroom to be GFCI protected is contained in Section 210.8(A)(1). Section 210.8(A)(1) is located in Chapter 2, Article 210, Section 8, Subsection (A), Sub-subsection (1). Many in the industry incorrectly use the term “Article” when reerring to a Code section. For example, they say “Article 210.8,” when they should say “Section 210.8.” Section numbers in this book are shown without the word “Section,” unless they begin a sentence. For example, Section 210.8(A) is shown as simply 210.8(A). Tables. Many Code requirements are contained within tables, which are lists o NEC requirements placed in a systematic arrangement. The titles o the tables are extremely important; you must read them careully in order to understand the contents, applications, limitations, and so orth, o each table in the Code . Many times notes are provided in or below a table; be sure to read them as well since they’re also part o the requirement. For example, Note 1 or Table 300.5 explains how to measure the cover when burying cables and raceways, and Note 5 explains what to do i solid rock is encountered. 7. Exceptions. Exceptions are Code requirements or permissions that provide an alternative method to a specic requirement. There are two types o exceptions—mandatory and permissive. When a rule has several exceptions, those exceptions with mandatory requirements are listed beore the permissive exceptions. Mandatory Exceptions. A mandatory exception uses the words “shall” or “shall not.” The word “shall” in an exception means that i you’re using the exception, you’re required to do it in a particular way. The phrase “shall not” means it isn’t permitted.
Permissive Exceptions. A permissive exception uses words such as “shall be permitted,” which means it’s acceptable (but not mandatory) to do it in this way. 8. Informational Notes. An Inormational Note contains explanatory material intended to clariy a rule or give assistance, but it isn’t a Code requirement. 9. Annexes. Annexes aren’t a part o the NEC requirements, and are included in the Code or inormational purposes only. Annex A. Product Saety Standards Annex B. Application Inormation or Ampacity Calculation Annex C. Conduit and Tubing Fill Tables or Conductors and Fixture Wires o the Same Size Annex D. Examples Annex E. Types o Construction Annex F. Availability and Reliability or Critical Operations Power Systems (COPS) Annex G. Supervisory Control and Data Acquisition (SCADA) Annex H. Administration and Enorcement Annex I. Recommended Tightening Torques 10. Index. The Index at the back o the NEC is helpul in locating a specic rule. Changes to the NEC since the previous edition(s), are identied by shading, but rules that have been relocated aren’t identied as a change. A bullet symbol “•” is located on the margin to indicate the location o a rule that was deleted rom a previous edition. New articles contain a vertical line in the margin o the page.
How to Locate a Specific Requirement How to go about nding what you’re looking or in the Code depends, to some degree, on your experience with the NEC . Code experts typically know the requirements so well they just go to the correct rule without any outside assistance. The Table o Contents might be the only thing very experienced NEC users need to locate the requirement they’re looking or. On the other hand, average Code users should use all o the tools at their disposal, including the Table o Contents and the Index.
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v
How to Use the NEC
Table of Contents. Let’s work out a simple example: What NEC rule species the maximum number o disconnects per-
Highlighting. As you read through this textbook, be sure you highlight those requirements in the Code that are the most
mitted or a service? I you’re an experienced Code user, you’ll know Article 230 applies to “Services,” and because this arti-
important or relevant to you. Use yellow or general interest and orange or important requirements you want to nd quickly. Be
cle is so large, it’s divided up into multiple parts (actually eight parts). With this knowledge, you can quickly go to the
sure to highlight terms in the Index and the Table o Contents as you use them.
Table o Contents and see that it lists the Service Equipment Disconnecting Means requirements in Part VI. Author’s Comment: The number 70 precedes all page num-
Underlining. Underline or circle key words and phrases in the NEC with a red pen (not a lead pencil) and use a 6-in. ruler to keep lines straight and neat. This is a very handy way to
bers because the NEC is NFPA Standard Number 70.
make important requirements stand out. A small 6-in. ruler also
Index. I you use the Index, which lists subjects in alphabetical order, to look up the term “service disconnect,” you’ll see there’s no listing. I you try “disconnecting means,” then “services,” you’ll nd that the Index species that the rule is located in Article 230, Part VI. Because the NEC doesn’t give a page number in the Index, you’ll need
to use the Table o Contents to nd the page number, or fip through the Code to Article 230, then continue to fip through pages until you nd Part VI.
comes in handy or locating specic inormation in the many Code tables. Tabbing the NEC . By placing tabs on Code articles, sections, and tables, it will make it easier or you to use the NEC . However, too many tabs will deeat the purpose. You can order a set o Code tabs designed by Mike Holt online at www. MikeHolt.com, or by calling 1.888.NEC.CODE (632.2633).
Many people complain that the NEC only conuses them by taking them in circles. As you gain experience in using the Code and deepen your understanding o words, terms, principles, and practices, you’ll nd the NEC much easier to understand and use than you originally thought.
Customizing Your Code Book One way to increase your comort level with the Code is to customize it to meet your needs. You can do this by highlighting and underlining important NEC requirements, and by attaching tabs to important pages. Be aware that i you’re using your Code book to take an exam, some exam centers don’t allow markings o any type.
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Mike Holt’s 2011 NEC Index
NEC Index Description
Section
A
Clearance on Building Other Sections
Agricultural Buildings Denitions Equipotential Planes and Bonding o Equipotential Planes Luminaires Scope Wiring Methods
547.2 547.10 547.8 547.1 547.5
Air-Conditioning and Rerigerating Equipment Branch-Circuit Conductors Single Motor-Compressor
440.32
Disconnecting Means Cord-Connected Equipment
440.13
Location Rating and Interrupting Capacity
440.14 440.12
General Ampacity and Rating Denitions Marking on Hermetic Rerigerant MotorCompressors and Equipment Other Articles Scope Overcurrent Protection Application & Selection General Provisions or Room Air Conditioners Branch-Circuit Requirements Disconnecting Means Leakage-Current Detector-Interrupter and Arc-Fault Circuit Interrupter Supply Cords
Description
440.6 440.2 440.4 440.3 440.1 440.22 440.21 440.62 440.63 440.65 440.64
Amateur and Citizen Band Transmitting and Receiving Stations—Antenna Systems Antenna Discharge Units—Transmitting Stations 810.57 Bonding Conductors and Grounding Electrode Conductors 810.58
Section
810.54 810.51
Appliances Branch-Circuit Rating Central Heating Equipment
422.10 422.12
Central Vacuum Outlet Assemblies Cord-and-Plug-Connected Appliance Disconnects Cord-and-Plug-Connected Vending Machines Denition Disconnection o Permanently Connected Appliances Electric Drinking Fountains
422.15
Flexible Cords General Other Articles Overcurrent Protection Scope Storage-Type Water Heaters Support o Ceiling-Suspended Paddle Fans Unit Switch(es) as Disconnects
422.33 422.51 422.2 422.31 422.52 422.16 422.30 422.3 422.11 422.1 422.13 422.18 422.34
Armored Cable (Type AC) Ampacity Bending Radius Boxes and Fittings Construction Denition Equipment Grounding Conductor Exposed Work In Accessible Attics Scope Securing and Supporting Through or Parallel to Framing Members Uses Not Permitted Uses Permitted
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320.80 320.24 320.40 320.100 320.2 320.108 320.15 320.23 320.1 320.30 320.17 320.12 320.10
1
Index
Description
Section
Description
Assembly Occupancies General Classication Other Articles Scope Wiring Methods
518.2 518.3 518.1 518.4
Audio Signal Processing, Amplication, and Reproduction Equipment Audio Systems Near Bodies o Water Conduit or Tubing Denitions Grounding Locations and Other Articles Loudspeaker Installation in Fire ResistanceRated Partitions, Walls, and Ceilings Mechanical Execution o Work Protection o Electrical Equipment Scope Use o Flexible Cords and Cables Wiring Methods Wiring o Equipment Racks and Enclosures
640.10 640.23 640.2 640.7 640.3
Other Articles or Specic-Purpose Branch Circuits Rating
210.2 210.3
Scope
210.1
Required Outlets Dwelling Unit Receptacle Outlets General Guest Rooms, Guest Suites, Dormitories, and Similar Occupancies
210.52 210.50 210.60
Heating, Air-Conditioning, and Rerigeration Equipment Outlet Lighting Outlets Required
210.63 210.70
Show Windows
210.62
640.25 640.6 640.4 640.1 640.21 640.9 640.22
B Branch Circuits Branch-Circuit Ratings Branch Circuits in Buildings with More Than One Occupancy Conductors—Minimum Ampacity and Size Outlet Devices Overcurrent Protection Permissible Loads
210.25 210.19 210.21 210.20 210.23
General Provisions Arc-Fault Circuit-Interrupter Protection Branch Circuits Required Branch-Circuit Voltage Limitations GFCI Protection or Personnel Guest Rooms and Guest Suites Identication or Branch Circuits Multiple Branch Circuits Multiwire Branch Circuits
210.12 210.11 210.6 210.8 210.18 210.5 210.7 210.4
2
Section
C Cabinets, Cutout Boxes, and Meter Socket Enclosures Cabinets, Cutout Boxes, and Meter Socket Enclosures Damp and Wet Locations Defection o Conductors Position in Wall Repairing Noncombustible Suraces Scope Switch and Overcurrent Device Enclosures with Splices, Taps, and Feed-Through Conductors
312.5 312.2 312.6 312.3 312.4 312.1 312.8
Cable Trays Ampacity o Conductors Bushed Circuit and Tubing Cable and Conductor Installation Cable Splices Cable Tray Installation Denition Grounding and Bonding Number o Conductors or Cables Scope Securing and Supporting Uses Not Permitted Uses Permitted
392.80 392.46 392.20 392.56 392.18 392.2 392.60 392.22 392.1 392.30 392.12 392.10
Mike Holt’s 2011 NEC Index
Index
Description
Section
Calculations Branch-Circuit Load Calculations Lighting Load or Specied Occupancies Maximum Loads Other Loads—All Occupancies Feeder and Service Load Calculations Appliance Load— Dwelling Unit(s) Electric Clothes Dryers—Dwelling Unit(s) Electric Ranges and Other Cooking Appliances— Dwelling Unit(s) Feeder or Service Neutral Load Fixed Electric Space Heating General General Lighting Kitchen Equipment— Other Than Dwelling Unit(s) Motors Noncoincident Loads Receptacle Loads—Other than Dwelling Units Show Window and Track Lighting Small-Appliance and Laundry Loads— Dwelling Unit General Application o Other Articles Calculations Scope Optional Feeder and Service Load Calculations Determining Existing Loads Dwelling Unit Existing Dwelling Unit Multiamily Dwelling Two Dwelling Units
220.12 220.18 220.14 220.53 220.54 220.55 220.61 220.51 220.40 220.42 220.56 220.50 220.60 220.44 220.43 220.52 220.3 220.5 220.1 220.87 220.82 220.83 220.84 220.85
Carnivals, Circuses, Fairs, and Similar Events Denitions Equipment Bonding Equipment Grounding Grounding Conductor Continuity Assurance GFCI Protection Multiple Sources o Supply Other Articles Overhead Conductor Clearances Portable Distribution or Termination Boxes
525.2 525.30 525.31 525.32 525.23 525.11 525.3 525.5 525.22
Description
Protection o Electrical Equipment Rides, Tents, and Concessions Scope Services Wiring Methods
Section
525.6 525.21 525.1 525.10 525.20
Class I Hazardous (Classied) Locations Conductor Insulation, Class I, Divisions 1 and 2 Control Transormers and Resistors Flexible Cords, Class I, Divisions 1 and 2 Grounding and Bonding, Class I, Divisions 1 and 2 Luminaires Meters, Instruments, and Relays Motors and Generators Receptacles and Attachment Plugs, Class I, Divisions 1 and 2 Scope Sealing and Drainage Signaling, Alarm, Remote-Control, and Communications Equipment Switches, Circuit Breakers, Motor Controllers, and Fuses Transormers and Capacitors Utilization Equipment Wiring Methods
501.20 501.120 501.140 501.30 501.130 501.105 501.125 501.145 501.1 501.15 501.150 501.115 501.100 501.135 501.10
Class II Hazardous (Classied) Locations Control Transormers and Resistors Explosionproo Equipment
502.120 502.5
Flexible Cords—Class II, Divisions 1 and 2 Grounding and Bonding—Class II, Divisions 1 and 2 Luminaires Motors and Generators Receptacles and Attachment Plugs Scope Sealing, Class II, Divisions 1 and 2 Signaling, Alarm, Remote-Control, and Communications Systems; and Meters, Instruments, and Relays Switches, Circuit Breakers, Motor Controllers, and Fuses Wiring Methods
502.140
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502.30 502.130 502.125 502.145 502.1 502.15
502.150 502.115 502.10
3
Index
Description
Section
Class III Hazardous (Classied) Locations Control Transormers and Resistors—Class III, Divisions 1 and 2 Flexible Cords—Class III, Divisions 1 and 2 General
503.120 503.140 503.5
Section
Grounding or Interruption o Metallic Sheath Members o Communications Cables Installation o Communications Wires, Cables, and Equipment Installation o Communications Wires, Cables and Raceways
Grounding and Bonding—Class III, Divisions 1 and 2 Luminaires—Class III, Divisions 1 and 2
503.30 503.130
Motors and Generators—Class III, Divisions 1 and 2
Installation o Equipment Lightning Conductors Mechanical Execution o Work
503.125
Overhead (Aerial) Communications Wires and Cables Protective Devices Raceways or Communications Wires and Cables
Receptacles and Attachment Plugs— Class III, Divisions 1 and 2 Scope
503.145 503.1
Signaling, Alarm, Remote-Control, and Local Loudspeaker Intercommunications Systems— Class III, Divisions 1 and 2 503.150 Switches, Circuit Breakers, Motor Controllers, and Fuses—Class III, Divisions 1 and 2 503.115 Wiring Methods 503.10
Commercial Garages, Repair, and Storage Area Classication, General Denitions GFCI Protection or Personnel Scope Sealing Special Equipment Wiring and Equipment Installed Above Class I Locations Wiring and Equipment in Class I Locations
511.3 511.2 511.12 511.1 511.9 511.10 511.7 511.4
Communications Circuits
4
Description
Abandoned Cables Access to Electrical Equipment Behind Panels Designed to Allow Access Applications o Listed Communications Wires, Cables and Raceways Cable and Primary Protector Bonding and Grounding
800.25
800.100
Communications Wires and Cables Denitions Dwelling Unit Communications Outlet
800.179 800.2 800.156
800.21 800.154
Scope Spread o Fire or Products o Combustion Underground Communications Wires and Cables Entering Buildings Unlisted Cables Entering Buildings
800.93 800.133 800.113 800.18 800.53 800.24 800.44 800.90 800.110 800.1 800.26 800.47 800.48
Community Antenna Television and Radio Distribution Systems Abandoned Cables Access to Electrical Equipment Behind Panels Designed to Allow Access Applications o Listed CATV Cables Cable Bonding and Grounding Coaxial Cables Denitions Grounding o the Outer Conductive Shield o Coaxial Cables Installation o Coaxial Cables Installation o Coaxial Cables and Equipment Mechanical Execution o Work Other Articles Power Limitations Raceways or Coaxial Cables Scope Spread o Fire or Products o Combustion Unlisted Cables and Raceways Entering Building
820.25 820.21 820.154 820.100 820.179 820.2 820.93 820.113 820.133 820.24 820.3 820.15 820.110 820.1 820.26 820.48
Mike Holt’s 2011 NEC Index
Index
Description
Section
Conductors or General Wiring 310.15 310.104
Conductor Identication Conductors Scope Uses Permitted
310.110 310.106 310.1 310.10
D Denitions
625.2 625.23 625.13 625.29
Listed or Labeled Markings Outdoor Sites
625.5 625.15 625.30
Overcurrent Protection Personnel Protection System Rating Scope
625.21 625.22 625.14 625.1
Electrical Metallic Tubing (Type EMT) 424.65
E Electric Signs and Outline Lighting Ballasts, Transormers, and Electronic Power Supplies Branch Circuits Class 2 Power Sources Denitions Disconnects Grounding and Bonding LED Sign Illumination Systems, Secondary Wiring Listing Location Markings Portable or Mobile Signs Scope
Denitions Disconnecting Means Electric Vehicle Supply Equipment Indoor Sites
100
Duct Heaters Location o Disconnecting Means
Section
Electric Vehicle Charging System
Ampacities or Conductors Rated 0— 2000 Volts Conductor Constructions and Applications
Denitions
Description
600.21 600.5 600.24 600.2 600.6 600.7 600.33 600.3 600.9 600.4 600.10 600.1
Electric Space-Heating Cables Area Restrictions Clearance rom Other Objects and Openings
424.38 424.39
Clearances o Wiring in Ceilings Installation o Cables in Concrete or Poured Masonry Floors
424.36 424.44
Bends—How Made Bends—Number in One Run Couplings and Connectors
358.24 358.26 358.42
Denition Listing Requirements Number o Conductors
358.2 358.6 358.22
Reaming and Threading Scope Securing and Supporting Size Uses Not Permitted Uses Permitted
358.28 358.1 358.30 358.20 358.12 358.10
Electrical Nonmetallic Tubing (Type ENT) Bends—How Made Bends—Number in One Run Bushings Denition Grounding Joints Number o Conductors Scope Securing and Supporting Size
362.24 362.26 362.46 362.2 362.60 362.48 362.22 362.1 362.30 362.20
Trimming Uses Not Permitted Uses Permitted
362.28 362.12 362.10
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5
Index
Description
Section
Description
Transer Equipment Wiring, Emergency System
Elevators, Dumbwaiters, Escalators, Moving Walks, Platorm Lits, and Stairway Chairlits Branch Circuit or Hoistway Pit Lighting and Receptacle(s) Branch Circuits or Machine Room or Control Room/Machinery Space or Control Space Lighting and Receptacle(s) Disconnecting Means GFCI Protection or Personnel Scope Wiring in Hoistways, Machine Rooms, Control Rooms, Machinery Spaces, and Control Spaces
620.24
620.23 620.51 620.85 620.1
620.37
Emergency Systems Accessibility Capacity
700.25 700.4
Coordination Denitions Emergency Illumination General Requirements Ground-Fault Protection o Equipment Loads on Emergency Branch Circuits Scope Signs Tests and Maintenance
700.27 700.2 700.16 700.12 700.26 700.15 700.1 700.7 700.3
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6
Section
700.5 700.10
F Feeders Feeder Equipment Grounding Conductor Feeders with Common Neutral Conductor Ground-Fault Protection o Equipment
215.6 215.4 215.10
Identication or Feeders Minimum Rating and Size Overcurrent Protection Scope
215.12 215.2 215.3 215.1
Fire Alarm Systems Abandoned Cables Access to Electrical Equipment Behind Panels Designed to Allow Access Applications o Listed PLFA Cables Circuit Marking
760.25 760.21 760.154 760.124
Denitions 760.2 Fire Alarm Circuit Cables Extending Beyond One Building 760.32 Fire Alarm Circuit Identication 760.30 Fire Alarm Circuit Requirements 760.35 Installation o Conductors o Dierent PLFA Circuits, Class 2, Class 3, and Communications Circuits in the Same Cable, Enclosure, Cable Tray, or Raceway 760.139 Listing and Marking o PLFA Cables and Insulated Continuous Line-Type Fire Detectors 760.179 Mechanical Execution o Work 760.24 Other Articles 760.3 Power Sources or PLFA Circuits 760.121 Scope 760.1 Separation rom Electric Light, Power, Class 1, NPLFA, and Medium-Power Network-Powered Broadband Communications Circuit Conductors 760.136 Support o Conductors 760.143 Wiring Methods and Materials on Load Side o the PLFA Power Source 760.130
Mike Holt’s 2011 NEC Index
Index
Description
Section
Description
Fire Pumps Continuity o Power Control Wiring Power Source(s) or Electric Motor-Driven Fire Pumps Power Wiring Scope Transormers Voltage Drop
695.4 695.14 695.3 695.6 695.1 695.5 695.7
Fixed Electric Space-Heating Equipment Branch Circuits Disconnecting Means General Scope
Minimum Size Number o Conductors in Conduit or Tubing Overcurrent Protection Scope Types Uses Not Permitted Uses Permitted
424.3 424.19 424.9 424.1
402.5 402.8 402.6 402.7 402.12 402.1 402.3 402.11 402.10
Flexible Cords and Cables Ampacities or Flexible Cords and Cables Equipment Grounding Conductor Identication Protection rom Damage Pull at Joints and Terminals Scope Suitability Types Uses Not Permitted Uses Permitted
Grounding and Bonding Listing Requirements
348.60 348.6
Number o Conductors Scope
348.22 348.1
Securing and Supporting Size Trimming
348.30 348.20 348.28
Uses Not Permitted Uses Permitted
348.12 348.10
Fountains
Fixture Wires Allowable Ampacities or Fixture Wires Grounded Conductor Identication
Section
400.5 400.23 400.14 400.10 400.1 400.3 400.4 400.8 400.7
Flexible Metal Conduit (Type FMC) Bends—How Made Bends—Number in One Run
348.24 348.26
Couplings and Connectors Denition
348.42 348.2
Bonding Cord-and-Plug-Connected Equipment General
680.53 680.56 680.50
GFCI Protection or Adjacent Receptacle Outlets Luminaires, Submersible Pumps, and Other Submersible Equipment Methods o Grounding Signs
680.58 680.51 680.55 680.57
G General Requirements Approval Arc-Flash Hazard Warning Available Fault Current Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics Conductor Sizes Conductors Deteriorating Agents Electrical Connections Enclosure Types Examination, Identication, Installation, and Use o Equipment
110.2 110.16 110.24
Guarding o Live Parts High-Leg Marking
110.27 110.15
Identication o Disconnecting Means Interrupting Rating Markings Mechanical Execution o Work Mounting and Cooling o Equipment
110.22 110.9 110.21 110.12 110.13
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
110.10 110.6 110.5 110.11 110.14 110.28 110.3
7
Index
Description
Section
General Requirements (continued) Scope Spaces About Electrical Equipment Voltages Wiring Integrity Wiring Methods
110.1 110.26 110.4 110.7 110.8
Generators Ampacity o Conductors Disconnecting Means Required or Generators
445.13 445.18
Generators Supplying Multiple Loads Marking Overcurrent Protection Scope
445.19 445.11 445.12 445.1
Grounded Conductors General Identication o Terminals Means o Identication o Terminals
200.2 200.10 200.9
Means o Identiying Grounded Conductors 200.6 Neutral Conductors 200.4 Polarity o Connections 200.11 Scope 200.1 Use o Insulation o a White or Gray Color or with Three Continuous White Stripes 200.7
Grounding and Bonding Bonding Bonding Conductors and Jumpers Bonding or Other Systems Bonding or Over 250 Volts Bonding o Piping Systems and Exposed Structural Steel Bonding Other Enclosures General Lightning Protection Systems Services Direct-Current Systems Size o the Direct-Current Grounding Electrode Conductor
250.102 250.94 250.97 250.104 250.96 250.90 250.106 250.92
250.166
Description
Section
Equipment Grounding and Equipment Grounding Conductors Equipment Connected by Cord and Plug Equipment Fastened in Place (Fixed) or Connected by Permanent Wiring Methods Equipment Grounding Conductor Installation Identication o Equipment Grounding Conductors Identication o Wiring Device Terminals Size o Equipment Grounding Conductors Specic Equipment Fastened in Place (Fixed) or Connected by Permanent Wiring Methods Types o Equipment Grounding Conductors Use o Equipment Grounding Conductors General Clean Suraces
250.110 250.120 250.119 250.126 250.122 250.112 250.118 250.121 250.12
Connection o Grounding and Bonding Equipment 250.8 Denitions 250.2 General Requirements or Grounding and Bonding 250.4 Objectionable Current Protection o Ground Clamps and Fittings Scope
250.6 250.10 250.1
Grounding Electrode System and Grounding Electrode Conductor Auxiliary Grounding Electrodes 250.54 Common Grounding Electrode 250.58 Grounding Electrode Conductor and Bonding Jumper Connection to Grounding Electrodes 250.68 Grounding Electrode Conductor Installation 250.64 Grounding Electrode Conductor Material Grounding Electrodes Grounding Electrode System Grounding Electrode System Installation Methods o Grounding and Bonding Conductor Connection to Electrodes Size o Alternating-Current Grounding Electrode Conductor
250.62 250.52 250.50 250.53
Use o Strike Termination Devices
250.60
250.70 250.66
Enclosure, Raceway, and Service Cable Connections Other Conductor Enclosures and Raceways 250.86 Service Raceways and Enclosures
8
250.114
250.80
Mike Holt’s 2011 NEC Index
Index
Description
Section
Description
Grounding and Bonding (continued) Methods o Equipment Grounding Connecting Receptacle Grounding Terminal to Box Continuity and Attachment o Equipment Grounding Conductors to Boxes Cord-and-Plug-Connected Equipment Equipment Considered Grounded Equipment Fastened in Place or Connected by Permanent Wiring Methods (Fixed) — Grounding Equipment Grounding Conductor Connections Frames o Ranges and Clothes Dryers Use o Grounded Circuit Conductor or Grounding Equipment
Protection Techniques Scope—Articles 500 Through 504
500.7 500.1
Specic Occupancies
500.9
250.146
Health Care Facilities Applicability
517.10
Denitions General Care Areas Grounding o Receptacles and Fixed Electrical Equipment in Patient Care Areas
517.2 517.18 517.13
250.134 250.130 250.140
Other-Than-Patient-Care Areas Patient Care Areas Receptacles with Insulated Grounding Terminals
517.81 517.80 517.16
250.142
Scope Wiring Methods
517.1 517.12
250.148 250.138 250.136
System Grounding Alternating-Current Systems o 50 Volts to Less Than 1000 Volts Not Required to be Grounded Alternating-Current Systems to be Grounded
Section
Hydromassage Bathtubs 250.21 250.20
Buildings or Structures Supplied by a Feeder(s) or Branch Circuit(s) 250.32 Grounding Separately Derived AlternatingCurrent Systems 250.30 Grounding Service-Supplied Alternating-Current Systems 250.24 High-Impedance Grounded Neutral Systems 250.36 Main Bonding Jumper and System Bonding Jumper 250.28 Permanently Installed Generators 250.35 Portable and Vehicle-Mounted Generators 250.34
H Hazardous (Classied) Locations, Classes I, II, and III, Divisions 1 and 2 Classications o Locations Denitions Equipment
500.5 500.2 500.8
General Material Groups Other Articles
500.4 500.6 500.3
Accessibility
680.73
Bonding General Other Electrical Equipment Protection
680.74 680.70 680.72 680.71
I Inormation Technology Equipment Cables Not in Inormation Technology Equipment Room Denitions Disconnecting Means Grounding Other Articles Scope Special Requirements or Inormation Technology Equipment Room Supply Circuits and Interconnecting Cables Uninterruptible Power Supplies (UPSs)
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
645.6 645.2 645.10 645.15 645.3 645.1 645.4 645.5 645.11
9
Index
Description
Section
Intermediate Metal Conduit (Type IMC) Bends—How Made Bends—Number in One Run Bushings Couplings and Connectors
342.24 342.26 342.46 342.42
Denition Dissimilar Metals Listing Requirements
342.2 342.14 342.6
Number o Conductors Reaming and Threading Scope Securing and Supporting Size Uses Permitted
342.22 342.28 342.1 342.30 342.20 342.10
Introduction to the National Electrical Code Code Arrangement
90.3
Enorcement Examination o Equipment or Saety Formal Interpretations
90.4 90.7 90.6
Mandatory Rules, Permissive Rules, and Explanatory Material Purpose Scope
90.5 90.1 90.2
Units o Measurement
90.9
Description
Section
Scope Signs
701.1 701.7
Tests and Maintenance Transer Equipment
701.3 701.5
Wiring Legally Required Standby Systems
701.10
Lighting Systems Operating at 30V or Less Denition Listing Required Scope Secondary Circuits
411.2 411.3 411.1 411.5
Specic Location Requirements
411.4
Liquidtight Flexible Metal Conduit (Type LFMC) Bends—How Made Bends—Number in One Run
350.24 350.26
Couplings and Connectors Denition Grounding and Bonding Listing Requirements Number o Conductors or Cables Scope Securing and Supporting Size Uses Not Permitted Uses Permitted
350.42 350.2 350.60 350.6 350.22 350.1 350.30 350.20 350.12 350.10
Liquidtight Flexible Nonmetallic Conduit (Type LFNC)
J K L Legally Required Standby Systems Accessibility Capacity and Rating Coordination Denition General Requirements Ground-Fault Protection o Equipment
10
701.25 701.4 701.27 701.2 701.12 701.26
Bends—How Made Bends—Number in One Run
356.24 356.26
Couplings and Connectors Denition Grounding and Bonding Listing Requirements Number o Conductors Scope Securing and Supporting Size Uses Not Permitted Uses Permitted
356.42 356.2 356.60 356.6 356.22 356.1 356.30 356.20 356.12 356.10
Mike Holt’s 2011 NEC Index
Index
Description
Section
General Denitions Listing Required
410.2 410.6
Scope
410.1
Grounding Methods o Grounding
410.44
Installation o Lampholders Lampholders in Wet or Damp Locations Lampholders Near Combustible Material
410.96 410.97
Luminaire Locations Luminaires in Clothes Closets Luminaires in Specic Locations Luminaires Near Combustible Material Space or Cove Lighting Luminaire Supports Means o Support Supports
410.90
Construction Denition Installation
604.6 604.2 604.7
Scope Uses Permitted
604.1 604.4
Marinas and Boatyards Denitions
555.2
410.16
555.17 555.9
410.10 410.11 410.18
Electrical Equipment Enclosures Ground-Fault Protection Grounding
555.10 555.3 555.15
410.36 410.3
410.24 410.22
Special Provisions or Electric-Discharge Lighting Systems o 1000 Volts or Less General
410.130
Load Calculations or Service and Feeder Conductors Location o Service Equipment Motor Fuel Dispensing Stations—Hazardous (Classied) Locations Receptacles Repair Facilities—Hazardous (Classied) Locations
555.12 555.7 555.21 555.19 555.22
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Special Provisions or Flush and Recessed Luminaires Clearance and Installation General Temperature Wiring
410.116 410.110 410.115 410.117
Lighting Track Fastening Installation
410.154 410.151
Polarization o Luminaires
Manuactured Wiring Systems
Disconnecting Means or Shore Power Connection(s) Electrical Connections
Provisions at Luminaire Outlet Boxes, Canopies, and Pans Connection o Electric-Discharge and LED Luminaires Outlet Boxes to be Covered
Wiring o Luminaires Cord-Connected Lampholders and Luminaires Feeder and Branch-Circuit Conductors and Ballasts Luminaires as Raceways
Section
M
Luminaires, Lampholders, and Lamps
Screw-Shell Type
Description
The forum is designed for Contractors, Electricians, Engineers, Inspectors, Instructors, and members of the electrical industry.
410.62 410.68 410.64 410.50
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
11
Index
Description
Section
Marinas and Boatyards (continued) Scope Transormers Wiring Methods and Installation
555.1 555.5 555.13
Denition Insulated Conductors
376.2 376.23
Number o Conductors and Ampacity
376.22
Scope Securing and Supporting Size o Conductors Splices, Taps, and Power Distribution Blocks Uses Not Permitted Uses Permitted
376.1 376.30 376.21 376.56 376.12 376.10
Metal-Clad Cable (Type MC) 330.80 330.24 330.40 330.2 330.108 330.23 330.1 330.30 330.17 330.12 330.10
Mobile Homes, Manuactured Homes, and Mobile Home Parks Allowable Demand Factors Arc-Fault Circuit-Interrupter Protection Denitions Distribution System Feeder General Requirements Receptacle Outlets Scope Service Equipment
12
Section
Motors, Motor Circuits, and Controllers
Metal Wireways
Ampacity Bending Radius Boxes and Fittings Denition Equipment Grounding Conductor In Accessible Attics Scope Securing and Supporting Through or Parallel to Framing Members Uses Not Permitted Uses Permitted
Description
550.31 550.25 550.2 550.30 550.33 550.4 550.13 550.1 550.32
Disconnecting Means Location Operation
430.102 430.103
Readily Accessible Switch or Circuit Breaker as Both Controller and Disconnecting Means
430.107 430.111
To Be Indicating Type
430.104 430.109
General Ampacity and Motor Rating Determination Denitions Highest Rated or Smallest Rated Motor Location o Motors Marking on Controllers Scope Terminals
430.6 430.2 430.17 430.14 430.8 430.1 430.9
Motor and Branch-Circuit Overload Protection Continuous-Duty Motors Devices Other Than Fuses—In Which Conductor
430.32 430.37
Fuses—In Which Conductor General Tables—Full-Load Currents in Amperes, Single-Phase Alternating-Current Motors Tables—Full-Load Current, Three-Phase Alternating-Current Motors
430.36 430.31 430.248 430.250
Motor Branch-Circuit Short-Circuit and Ground-Fault Protection Combined Overcurrent Protection General Rating or Setting or Individual Motor Circuit
430.55 430.51 430.52
Motor Circuit Conductors Feeder Taps Several Motors or a Motor(s) and Other Load(s)
430.28 430.24
Single Motor
430.22
Motor Control Circuits Disconnection 430.75 Overcurrent Protection 430.72 Protection o Conductors rom Physical Damage 430.73
Mike Holt’s 2011 NEC Index
Index
Description
Section
Motors, Motor Circuits, and Controllers (continued)
Description
Section
Nonmetallic-Sheathed Cable (Types NM, NMC, and NMS) (continued)
Motor Controllers Need Not Open All Conductors Number o Motors Served by Each Controller
430.84 430.87
Ampacity Bending Radius
Ratings
430.83
Conductors Construction Denitions
334.104 334.100 334.2
Equipment Grounding Conductor Exposed Work In Accessible Attics Insulation
334.108 334.15 334.23 334.112
Motor Feeder Short-Circuit and Ground-Fault Protection Rating or Setting—Motor Load 430.62
Motor Fuel Dispensing Facilities Circuit Disconnects
514.11
Classication o Locations Denition Grounding and Bonding Provisions or Maintenance and Service o Dispensing Equipment Sealing Scope
514.3 514.2 514.16
Underground Wiring Wiring and Equipment Above Class I Locations Wiring and Equipment Installed in Class I Locations
514.13 514.9 514.1 514.8 514.7 514.4
Multioutlet Assembly Metal Multioutlet Assembly Through Dry Partitions Scope Uses Not Permitted Uses Permitted
380.76 380.1 380.12 380.10
N NEC Introduction Code Arrangement
Enorcement Examination o Equipment or Saety Formal Interpretations Mandatory Rules, Permissive Rules, and Explanatory Material Purpose Scope Units o Measurement
90.3 90.4 90.7 90.6 90.5 90.1 90.2 90.9
334.80 334.24
Listed Scope Securing and Supporting
334.6 334.1 334.30
Through or Parallel to Framing Members Uses Not Permitted Uses Permitted
334.17 334.12 334.10
O Optical Fiber Cables and Raceways Abandoned Cables Access to Electrical Equipment Behind Panels Designed to Allow Access
770.25 770.21
Applications o Listed Optical Fiber Cables and Raceways, and Cable Routing Assemblies 770.154 Denitions 770.2 Innerduct or Optical Fiber Cables 770.12 Installation o Optical Fibers and Electrical Conductors 770.133 Installation o Optical Fiber Cables and Raceways, and Cable Routing Assemblies Mechanical Execution o Work Optical Fiber Cables Other Articles Raceways or Optical Fiber Cables Scope Spread o Fire or Products o Combustion Unlisted Cables and Raceways Entering Buildings
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
770.113 770.24 770.179 770.3 770.110 770.1 770.26 770.48
13
Index
Description
Section
Optional Standby Systems 702.4 702.2 702.12 702.1
Signs Transer Equipment Wiring Optional Standby Systems
702.7 702.5 702.10
Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures 314.29 314.17 314.15 314.30 314.4 314.3 314.16 314.27 314.28 314.21 314.2 314.1 314.23 314.22
Outside Branch Circuits and Feeders Buildings or Other Structures Supplied by a Feeder(s) or Branch Circuit(s) Access to Occupants Disconnect Construction Disconnecting Means Grouping o Disconnects Identication Location Maximum Number o Disconnects Number o Supplies Rating o Disconnect Suitable or Service Equipment
14
Section
General
Capacity and Rating Denition Outdoor Generator Sets Scope
Boxes, Conduit Bodies, and Handhole Enclosures to be Accessible Conductors Entering Boxes, Conduit Bodies, or Fittings Damp or Wet Locations Handhole Enclosures Metal Boxes Nonmetallic Boxes Number o Conductors in Outlet, Device, and Junction Boxes, and Conduit Bodies Outlet Boxes Pull and Junction Boxes and Conduit Bodies Repairing Noncombustible Suraces Round Boxes Scope Supports Surace Extensions
Description
225.35 225.38 225.31 225.34 225.37 225.32 225.33 225.30 225.39 225.36
Attachment to Buildings Clearance or Overhead Conductors and Cables Clearances rom Buildings or Conductors o Not Over 600 Volts, Nominal Conductor Size and Support Lighting Equipment Installed Outdoors Masts as Support
225.16 225.18
Other Articles Raceway Seal
225.3 225.27
Raceways on Exterior Suraces o Buildings or Other Structures Scope Supports Over Buildings Vegetation as Support
225.22 225.1 225.15 225.26
225.19 225.6 225.7 225.17
Overcurrent Protection Cartridge Fuses and Fuseholders Classication General
240.61 240.69
Circuit Breakers Applications Indicating Marking
240.85 240.81 240.83
Method o Operation Nontamperable
240.80 240.82
Enclosures Damp or Wet Locations Vertical Position
240.32 240.33
General Denitions Ground-Fault Protection o Equipment Other Articles Protection o Conductors Protection o Flexible Cords, Flexible Cables, and Fixture Wires Scope Standard Ampere Ratings Supplementary Overcurrent Protection Ungrounded Conductors
240.2 240.13 240.3 240.4 240.5 240.1 240.6 240.10 240.15
Mike Holt’s 2011 NEC Index
Index
Description
Section
Overcurrent Protection (continued) Location Location In Circuit Location In or On Premises Plug Fuses, Fuseholders, and Adapters Edison-Base Fuseholders Edison-Base Fuses General Type S Fuses Type S Fuses, Adapters, and Fuseholders
240.21 240.24 240.52 240.51 240.50 240.53 240.54
P Permanently Installed Pools, Outdoor Spas, and Outdoor Hot Tubs Equipotential Bonding Feeders General Junction Boxes and Electrical Enclosures or Transormers or Ground-Fault Circuit Interrupters Lighting, Receptacles, and Equipment Motors Specialized Pool Equipment Underwater Luminaires
680.26 680.25 680.2
680.24 680.22 680.21 680.27 680.23
Description
Section
Bonding Conductors and Grounding Electrode Clearances—Receiving Stations Conductors— Receiving Stations
810.18 810.21
Grounding Supports
810.15 810.12
Receptacles, Cord Connectors, and Attachment Plugs (Caps) Attachment Plugs, Cord Connectors, and Flanged Surace Devices Connecting Receptacle Grounding Terminal to Box Denition
406.7 406.11 406.2
General Installation Requirements Receptacle Faceplates (Cover Plates) Receptacles in Damp or Wet Locations
406.4 406.6 406.9
Receptacle Mounting Receptacle Rating and Type Scope Tamper-Resistant Receptacles in Child Care Facilities
406.5 406.3 406.1 406.14
Tamper-Resistant Receptacles in Dwelling Units 406.12 Tamper-Resistant Receptacles in Guest Rooms and Guest Suites 406.13
Q • Online and Home-Study Formats • Extensive use of Illustrations
R
• Questions to Test Your Progress
Radio and Television Equipment Community Television Antenna Other Articles Scope
• Outstanding Customer Support
810.4 810.3 810.1
Receiving Equipment—Antenna Systems
I have always enjoyed your courses and recommend them to everyone who is looking or more than an ater- noon, and a certifcate! In my opinion you are the best! -George Jenkins
Antenna Discharge Units—Receiving Stations 810.20 Avoidance o Contacts with Conductors o Other Systems 810.13
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
15
Index
Description
Section
Remote-Control, Signaling, and Power-Limited Circuits, Class 1, Class 2, and Class 3 Abandoned Cables Access to Electrical Equipment Behind Panels Designed to Allow Access Applications o Listed Class 2, Class 3, and PLTC Cables Circuit Marking Class 1 Circuit Classications and Power Source Requirements Class 1 Circuit Conductors Class 1 Circuit Overcurrent Protection Class 1 Circuit Wiring Methods Class 1, Class 2, and Class 3 Circuit Requirements Conductors o Dierent Circuits in the Same Cable, Cable Tray, Enclosure, or Raceway
725.21 725.154 725.124
Bends—How Made Bends—Number in One Run Bushings Couplings and Connectors
344.24 344.26 344.46 344.42
Denition Dissimilar Metals Listing Requirements
344.2 344.14 344.6
Number o Conductors Reaming and Threading Scope Securing and Supporting Size Standard Lengths Uses Permitted
725.41 725.49 725.43 725.46 725.35 725.48
Section
Rigid Metal Conduit (Type RMC)
725.25
Denitions 725.2 Installation o Conductors o Dierent Circuits in the Same Cable, Enclosure, Cable Tray, or Raceway 725.139 Listing and Marking o Class 2, Class 3, and Type PLTC Cables 725.179 Mechanical Execution o Work 725.24 Number o Conductors in Cable Trays and Raceway, and Ampacity Adjustment 725.51 Other Articles 725.3 Power Sources or Class 2 and Class 3 Circuits 725.121 Saety-Control Equipment 725.31 Scope 725.1 Separation rom Electric Light, Power, Class 1, Non-Power- Limited Fire Alarm Circuit Conductors, and Medium-Power Network-Powered Broadband Communications Cables 725.136 Support o Conductors 725.143 Wiring Methods and Materials on Load Side o the Class 2 or Class 3 Power Source 725.130 Wiring Methods on Supply Side o the Class 2 or Class 3 Power Source 725.127
16
Description
344.22 344.28 344.1 344.30 344.20 344.130 344.10
Rigid Polyvinyl Chloride Conduit (TYPE PVC) Bends—How Made Bends—Number in One Run Bushings
352.24 352.26 352.46
Denition Expansion Fittings Grounding Joints Number o Conductors Scope Securing and Supporting Size Trimming Uses Not Permitted Uses Permitted
352.2 352.44 352.60 352.48 352.22 352.1 352.30 352.20 352.28 352.12 352.10
S Service-Entrance Cable (Types SE and USE) Bending Radius Denitions Scope Uses Not Permitted Uses Permitted
338.24 338.2 338.1 338.12 338.10
Mike Holt’s 2011 NEC Index
Index
Description
Section
Services Clearances on Buildings Conductors Considered Outside the Building
230.9 230.6
Number o Services One Building or Other Structure Not to Be Supplied Through Another
230.2 230.3 230.7 230.8 230.1 230.10
Overcurrent Protection Ground-Fault Protection o Equipment Where Required
230.95 230.90
Overhead Service Conductors Clearances Means o Attachment Point o Attachment Service Masts as Supports Size and Rating
230.24 230.27 230.26 230.28 230.23
Service Equipment - Disconnecting Means Connection to Terminals Equipment Connected to the Supply Side o Service Disconnect General Grouping o Disconnects Indicating Listed as Suitable or Service Equipment Manually or Power Operable Maximum Number o Disconnects Rating o Service Disconnecting Means Service-Entrance Conductors Minimum Size and Rating Mounting Supports Number o Service-Entrance Conductor Sets Overhead Service Locations Protection Against Physical Damage Service Conductor with the Higher Voltage to Ground Spliced Conductors Wiring Methods or 600 Volts, Nominal, or Less
Section
Underground Service Conductors
General
Other Conductors in Raceway or Cable Raceway Seal Scope Vegetation as Support
Description
230.81 230.82 230.70 230.72 230.77 230.66 230.76 230.71 230.79 230.42 230.51 230.40 230.54 230.50 230.56 230.46 230.43
Protection Against Damage Size and Rating
230.32 230.31
Spas and Hot Tubs Emergency Switch or Spas and Hot Tubs
680.41
General Indoor Installations
680.40 680.43
Outdoor Installations
680.42
Protection
680.44
Storage Batteries Battery Locations Denitions Disconnecting Means Overcurrent Protection or Prime Movers
480.9 480.2 480.5 480.4
Racks and Trays Scope Wiring and Equipment Supplied rom Batteries
480.8 480.1 480.3
Storable Swimming Pools General Ground-Fault Circuit Interrupters Required Pumps Receptacle Locations
680.30 680.32 680.31 680.34
Swimming Pools, Fountains, and Similar Installations Cord-and-Plug-Connected Equipment Denitions Electric Pool Water Heaters Equipment Rooms and Pits Maintenance Disconnecting Means Other Articles Overhead Conductor Clearances Scope Underground Wiring Location
680.7 680.2 680.9 680.11 680.12 680.3 680.8 680.1 680.10
Surace Metal Raceways Combination Raceways Denition Grounding Listing Requirements
Mike Holt Enterprises, Inc. • www.MikeHolt.com • 888.NEC.CODE (632.2633)
386.70 386.2 386.60 386.6
17
Index
Description
Section
Description
Marking Mounting o Snap Switches
Surace Metal Raceways (continued) Number o Conductors or Cables Scope Securing and Supporting Size o Conductors
386.22 386.1 386.30 386.21
Splices and Taps Uses Not Permitted Uses Permitted
386.56 386.12 386.10
Position and Connection o Switches Provisions or General-Use Snap Switches Rating and Use o Snap Switches Scope Switch Connections
Listing Location Number Required Routing o Conductors Scope Short-Circuit Current Rating Type 1 SPDs (Surge Arresters)
285.5 285.11 285.4 285.12 285.1 285.6 285.23
Type 2 SPDs (TVSSs) Type 3 SPDs Uses Not Permitted
285.24 285.25 285.3
408.5 408.4 408.41 408.40 408.54 408.36 408.37 408.1 408.3 408.7
Switches Accessibility and Grouping Circuit Breakers as Switches Damp or Wet Locations Enclosure Grounding o Enclosures Indicating
18
404.6 404.9 404.14 404.1 404.2
Temporary Installations
404.8 404.11 404.4 404.3 404.12 404.7
All Wiring Installations General Ground-Fault Protection or Personnel Listing o Decorative Lighting Scope
590.2 590.4 590.6 590.5 590.1
Time Constraints
590.3
Transormers Accessibility Disconnecting Means Marking Overcurrent Protection Scope Ventilation
Switchboards and Panelboards
Scope Support and Arrangement o Busbars and Conductors Unused Openings
404.15 404.10
T
Surge-Protective Devices (SPDs), 1 kV or Less
Clearance or Conductors Entering Bus Enclosures Field Identication Required Grounded Conductor Terminations Grounding o Panelboards Maximum Number o Overcurrent Devices Overcurrent Protection Panelboards in Damp or Wet Locations
Section
450.13 450.14 450.11 450.3 450.1 450.9
U Underground Feeder and Branch-Circuit Cable (Type UF) Ampacity Bending Radius Denition Insulation Listing Requirements Scope Uses Not Permitted Uses Permitted
340.80 340.24 340.2 340.112 340.6 340.1 340.12 340.10
Mike Holt’s 2011 NEC Index
Index
Description
Section
Description
V
Raceway Installations Raceway or Cable to Open or Concealed Wiring Raceways Exposed to Dierent Temperatures Raceways in Wet Locations Above Grade
W Wiring Methods Boxes, Conduit Bodies, or Fittings—Where Required Conductors Electrical Continuity o Metal Raceways and Enclosures Induced Currents in Ferrous Metal Enclosures or Ferrous Metal Raceways Installation o Conductors with Other Systems
300.15 300.3 300.10 300.20 300.8
Length o Free Conductors at Outlets, Junctions, and Switch Points 300.14 Mechanical and Electrical Continuity— Conductors 300.13 Mechanical Continuity—Raceways and Cables Number and Size o Conductors in Raceway Panels Designed to Allow Access Protection Against Corrosion and Deterioration Protection Against Physical Damage
300.12 300.17 300.23 300.6 300.4
Section
300.18 300.16 300.7 300.9
Scope Securing and Supporting Spread o Fire or Products o Combustion
300.1 300.11 300.21
Supporting Conductors in Vertical Raceways Underground Installations Wiring in Ducts Not Used or Air Handling, Fabricated Ducts or Environmental Air, and Other Spaces or Environmental Air (Plenums)
300.19 300.5
300.22
X Y Z
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