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Shop Practice with Electrical Code: Electrical Wiring Sys System tem Jayson Bryan E. Mutuc, REE, RME BSEE-PUP MSEE, Major in Power Systems -MIT (candidate)
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Electrical Wiring System
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Service (p.19) conductors Service (Art 1.1) – The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served
Service Conductor (Art 1.1) – the conductors from from the service point to the service disconnecting means. Service Point (Art 1.1) – the point of connection between the facilities of the serving utility and the premises wiring. 3
Service Drop and Service Lateral Lateral Service Drop (Art 1.1) – The overhead service conductors from the last pole or other aerial support to and including the splices, if any, any, connecting to the service entrance e ntrance conductors conductors at the building or other structure Service Lateral – The underground service conductors between the street main, including any risers at a pole or other structure or from the transformer 4
Service Equipment Service Equipment Equipment (Art 1.1) – the necessary equipment, usually consisting of a circuit breaker(s) breaker(s) or switch(es) and fuse(s) and their accessories, connected to the load end of service entrance conductors to a building and intended to constitute the main control and cutoff the supply. This shall be located inside or outside wall of the building served or to nearest point of entry of a nonbuilding structure served. 5
Feeder Feeder (Art 1.1) – All circuit conductors between the service equipment of a separately derived system, or other power supply source and the final branch circuit overcurrent device.
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Branch Circuit Branch Circuit (Art 1.1) – The circuit conductors between the final overcurrent device protecting the circuit and the outlets(s).
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2.0.1.6 Means of Identification of Grounded Conductors (p.61) (a) Sizes 14 mm2 or Smaller – An insulated grounded conductor of 14 mm 2 or smaller shall be identified by a continuous white or gray outer finish or by three continuous white stripes on other than green insulation along its entire length
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2.0.1.6 Means of Identification of Grounded Conductors (p.61)
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2.0.1.6 Means of Identification of Grounded Conductors (p.62) (a) (a) Siz Sizes Lar Larger 14 14 mm mm2 – An insulated grounded conductor larger than 14 mm2 shall be identified by one of the following means: 1) By a continuous white or gray outer finish 2) By three continuous white stripes along its entire length on other than green insulation 3) At the time of installation, by a distinctive white or gray marking at its terminations.
