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Dhab Dhab Dist Distri ribu buti tion on
Comp Compan an
E;-."Jjq..llJ Ab
14/1/2003 Re No: PNDjLj0043j125j gu atio atio
To:
anag anagin in anag anagin in
c:
Subject:
an
AD for Lo
Regul Re gulatio ations ns fo Lo
Supe Supervis rvisio io
ir ctor ctor ir ctor ctor
irin Vo tag
Ru
Vo tag
twor twor
ur au
an Re Regul gulatio ations ns ctrical ctrical Instal Instal ations ations
ctrica ctrica Insta Insta ations ations for year year 2002 2002 2003, 2003,pr pr pare pare
ivis ivisio io
Asse As sets ts Mana Manage geme ment De Depar partm tm nt
Installation
Insp Insp ction ction Unit Unit (A (AD) D) th
ow
twor twor
ivis ivisio io
at
This This is fo your your nece necess ssar ar
ru ry 20
to
ha i.
actio action, n, pl as
Regards, ~\
Pow
(WI
;~L:.
(WI
I\~\
.y.
Saif NaS,(Har1::a NaS,(Har1::a CL Networ Ne twor Division Division Manag Manag
I··
,u u.. _
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RUlt·
REG~lAnON~
F(.R LOWVOLTA.GE
INSTALLATIONS
POWER
DIVISION
ASSETS
DEPARTMENT
ISSUf·
0ROM:
2003
n1
Edit Editio io
2003 2003
a_)lli;lIlJ Roqulauon
,...tLl£"l.j___ijll.,_J-L.!:=.
1-
SlIpt'f vi".ic)!
.D
BiJf~<)\.
eTION
TR
pr
arisin
st
ns
on
from th us of electricit
As
revenu sectio on th form of servic connection charge before po er is effected
anua fo untraine id se
persons. ti
es
th sixteent editio of th lE Wiring Electro-technica Commissio (lEC) fi id loca climat conditions
nt
egulations fo designin en
ir
Best Regards
ADWE
CHAIRMAN
dE
nt
em
powe circuits an Internationa te
re
ii_
J..i..___~
J<
r';:~;!g\_d-"'~1io::)n
S~IP~_;~Fvio;:;.lnn Bureau.
~~~ '-----,.,-"",--,d:=:
REGt
Q....,_I"j
cL-:"=_,I-.ili
~\TION
NUMBER.
1.01 1.02 1.03 1.04
Of Po er
2.01 2.02
12
Scope Object Materials, Equipment, Standard
12
12
uppl
Workmanshi General
An Material
13 13-14
C) Harmonics
16 16
D) Climat
dE
ection
4.01 4.02 4.03 4.04 4.05 4.06
llkV
ear
Room
11 kV itchge om 11 kV able ro 11kV swit hgea to Transfor er Transforme Room
18 18 19 20
Guide
5.03 5.04
Switch Boar us bars
5.07
Nuts Bolts, Washer
And
21 21-22 22 22 22
Material
22 23
Board
24 24 24
5.14
6.01
25 26 27 28
Stan By Supplies
ondu tors
nd
able
6.03
Electromechanical Stresses
6.05 6.06 6.07 6.08
Voltag Grad inimum onductor iz urrent arryin apacit Ambient Temperature
6.10 6.11
Voltag Drop Grouping
6.14
29 29 29 29 29 30 30 30 30 30 31 31 31-32 33 33 33
Installation Of Cables
n1
6.19
Mini um Cr ss Se tional Area Of Protective Conducto
6.21 6.22
Flexible Cables An Cord
6.24
Bu Bars
6.26
Limitation g In U
On Us
6.29
fB Joint Terminations
6.31
Access
7.01'
Conduits
7.03 7.04 7.05 7.06 7.07 7.08
Installation Of Conduits
7.10 7.11 7.12 7.13 7.14
Galvanised Stee Condui Flexible Conduits Cabl Tray Cabl Trunking Unde Floo Trunking
8.01 8.02
Sub-Main Distribution Boards Distribution Boards
8.04
Final Sub-Circuits
8.06
Installation Of Luminaries
8.08
33-34 34 34 34 34 35 35 35 36 36 36 36 37 37 37
38 38 38 38 39 39 39 39 39 40 40 41 42 43
PV Conduits nd Conduits Fittings Condui Size Condui Bend Condui Saddle
44 44-45 45 45-46 46 47 48-49 49 50-51
Outlet (Lighting)
nder Wate Lights
nl
8.10
Wate Heater lU (A
8.15 8.16
entral Ai Conditioning Cooker Unit
ni
8.18 8.19
Outdoo Lighting re Lighting Pole Lighting
8.21
Lift An Escalators
8.23
Domestic-Installations-Minimum
Requirement
Of Outlet
56
9.01 9.02 9.03
Scope Moto Starter General Requirements
58 58-59
10.01
Scope Specifications
60 61-62
10.02
11.03
Eart
11.05
Bonding
11.07
Lightning Protection
63 63-64 64 65 65 65-66 66
12.01 12.02 12.03
General Inspection Testing
68
Electrode
n1
diti
20
13.01 13.02
General
dE
"LB;Jlq
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,"",:.1..0::=-"""
F(egld·~-t;~r,& Sup~rviSion f3llreau
-: & - = " I r ;: . .I J J ~ r . :, . . J 1 A_l:J-:
~-;...-dJ
r.)t-,a~.~' ~")~mt:>,,-.":ionn C"- ~",,"-.ny
ACCESSORY
ssociate it su of an installation.
quip
AMBIENT TEMPERt\ TU
th
used.
APPLIANCE
An item of equipmen whic utilizes electricit fo
quipment is to
nt or with th
irin
os independen motor.
directio of access.
on in ic no necessarily includ insulatio used exclusively for functiona purposes. Connecte
BONDED
together electrically no normally fo
of meta work BONDING CONDUCTOR
bonding.
/BUNCHED if
separate from each othe by CABL
specifie distance
BRt\CKET
elem nt fixe at on
nd only sp ce at interval
cable rests. ABLE
HANNEL
An
ventilated or closed an having dimensions whic access to th conductors and/or cables throughout ir construction. 'Vi
LE
LE
of le ents sp ce at inte vals long th length of retain th cabl or conduit.
_CABL
COUPLE cons ts
co nector an
lu
drawn-in afte erection of th ducting. ~CABLE
LADDER
occupy less than lO__ - -
CA
plan area
RA considered to be non-perforated wher lessthan 30 of th material is remove from th base.' ......_.-""
,-,..
._,."-
whic on side is removabl or hinged CABL
TUNNEL
structures fo conductors and/or cables an joints an whos dimensions allo person to pass freely throughout th entire length
CARAVAN
adapted.
LINK
ca ri ge ally filled an ar -e in is in medium and connected to terminations CIRCUIT
An assembly of electrical equipmen supplied from
th same origin an protecte agains over curren am rotectiv ev ce s) Ce tain ty es circuits ar categorise as follows:
Category
Circuit-
alar
or emergenc lighting
directly fr system.
Category
ma
pl
Circuitlighting circuits an circui fo telecommunicatio (e.g distribution intruder alarm, transmissio circui ), which voltage.
emergency lighting circuit.
conditions abnormal currents such as shor circui currents. nfre entl alth om ty es ar itab fo frequent operations. CIRCUI LINKED
BREAKER, simultaneousl or in definite sequence.
CIRCUIT CONDUCTOR
continuity conductor.
CIRCUIT
CONDUCTOR
(c.p.c)
conductive part of equipmen to th main earthing terminal.
electrical installations, allowing them to be draw in and/or replaced bu no inserted laterally. CONNECTOR
flexibJecable remote from th supply
1:
GRU
~r\N
GULATION
003-
rd
Edition·
.(P
e3
CONSUMER'S INSTALLA TION
him,
nder ak ng whic cons me use. CONSUMER'S TERMINALS
he ncom ng supply installation.
ay
energy
ermi te
de ivered
that
particular type of distribution boar comprising
purposel manufactured fo such use. CURREN
CARRYING
CONDUCTOR
CU US EQUIPMENT
DANGER
co ductor un er specif ed ondition
itho
ts
value. Equipment, whic converts electrical energy into motive power.
present) from (i) fire el ctri
hock an bums (ii)
mechanical mo ements equipment.
PROOF
ro ec ed
elec rica ly actuated
enclos re
enclosures be ng so
ingres of dust and/or moisture
permanentl present, or intermittently presen to effectivenes of an installation conforming to th requirements for ordinary situations. DEAD
At eart pote tial an system.
isco ne te from an iv
service.
V"
",
"-.,
position
co
lies with th requ re ents specifie
as an solator DISTRIBUTION BOARD
isolator/circuit
breaker,
esidua curren
operated
circuits. DUCT
zero.
CONDUCTOR may
conductor. EART
ELEC RODE conn ct on to Earth.
RESISTANCE
CURRENT
LOOP IMPEDANCE
EART
LEAKAG
EARTHED CONCENTRIC WIRLNG
current, hich lows arth to extraneous conductive parts, in circuit, whic is electrically sound.
completely kIrrcmnded throughout thei length by
continuit conductor (PE
Conductor).
Connection of th expose conductive part of an installation to th main earthing terminal of that installation.
EARTHING
EARTHING CONDUCTOR
electrod or to othe mean of earthing da ge ou hysi logica effect resultin from th passin of an electric curren throug huma body or live stock.
ELECTRICAL EQUIPMENT
conversion, transmission, utilisatio of electrical energy such as machines transformers apparatus, measurin instruments, protective devices, wiring materials, accessories, an appliances an luminaries
ELECTRICALLY EART
ELECTROD
ELECTRODE (O WA ER
affect th potentia of th other(s)
BOILER
ATER electrolyte.
EMERGENCY SWITCHING
ENCLOSURE
EQUIPOTENTIAL BONDLNG.
An
unexpectedly.
ro ec io equipmen ag inst erta ex erna influence and in an directio protection agains direct contact. Electrica connectio maintaining variou expose ---./ conductive part an extraneous conductive part at substantiall th same potential.
~-~SED eu nd ct ve ar liab nera ly eart te al the electrica installation
(E~RANEOUS
nd
tr
ce ormi
te tial ar
An
responsibility of th manufacturer and conforming CONTRO
GEAR).
performance, from th typica assembly verified
laboratory certifications FINA
CmCUIT
An
board.
FIXED EQUIPMENT
go
circ
co ec ed to
is ri
io
secure in specific location
FLAMEPROOF
containing case or othe enclosur will withstan
practica conditio or operatio within th rating if
re ri ed flam ab as at ma th surroundin atmosphere FL
IB
FUNCTIONAL EARTHING
RD
lexi able each co du to
,_
ic oe
cr ceed
resent in
ct al re mm
functionin of electrical equipment.
FUSE
complete device. FUSE LINK
part of fuse includin fuse element~s) whic eq ir re la emen a'" e~7ene able fu link
fuse is pu back into service.
INSULATION
(_
surrounding, or supporting Cu ti
/ISOLATION
conductor.
an el ct ical in ta at n,
circ it , r
electrical energy.
(~'t>
(ISOLATOR
.'!r
specifie fo isolation. An isolator is otherwis known as disconnector. IV
e/
PART
~~
conductor.
ASSEMBLY
regulating equipment, etc. completely assemble unde th responsibility of th manufacturer with all
type tested MAIN EARTHING TERMINAL
v'/'
of protective conductors includin equipotentia functional earthing earthing.
NEUTRAL CONDUCTOR
if
electrica energy.' IS
delivered to an electrica installation. .... ,t"
OVER CURREN J( \ i ) \ " ~ OVER-tLOAD CURRENT
conductors th rate valu is th curren carrying capacity. . / ' /
overcurren occuring electrically sound.
An
IS
PEN protective conducto an neutra conducto
: : - . ;:' ':, '--:-_ 2003',.
'"
'_, .
rd
__
.:
'.'-
Edition
:,.
69)· ....
PHAS
CONDlTCTOR
PE
conductor.
v""/
th connection of current-usingequipment PORTABLE EQUIPMENT
CURRENT
expose<@:onductiv
part.
PROTECTIVE CONDUCTOR
ci cuit
poin in th
lect ical ns al ation.
DEVICE valu unde specifie
ma exist. RING-FINAL-CIRCUIT
effect.
conditions
SHOR CIRCUI CURRENT
An
ne igib
mp da ce
etween
iv
cond ct rs
operating conditions. device provided with female contacts whic is intended to be stalle it fi ed irin nd intended to receiv plug
SOCKET OUTLET
branch from ring fina circuit.
SPUR STATIONARY EQUIPMENT
V~
no provided with
carrying handle
mechanical device capabl of making carrying
SWITCH
co diti n;
ic ma
cl
spec fied operat ng
spec fied im cu re nder ec fi ab rmal ir ui co it on uc as th se of sh rt ci cu It breaking short circui currents.
as ma or brea al definite sequence.
le simultaneouslyor in
An
groups ofloca switches in fina circuits An
apparatu fo operation, regulation protection or other contro of electrica installations. TRUNKING (FOR CABLES
NOMINA
An
or al of sq ar rectan la cr ss ec ion, of whic on side is removabl or hinged
VOLTAG
ns al atio defined.
'v
l{
esig at d.
fo lo in ra es
-/
et ee co duct rs or
ar
,_./
Low
betwee conductors or 600V a.c. conductors an earth..
....
GENERAL
SCOPE:
elec rica inst llations su
as ho
Agricultural an Horticultura
(iii)
of:-
premises
~t~
'f
1.02
OBJECT:.
(I.E.C) if avai able an if BS BSEN sp cifica ions an AD EA regu atio
_ _ _ _ _--_. ..
regulations.
/11:
2.02.01.0n completion of an installation or an extensio or an alteration appropriat inspection an requirements of regulation 2.02.0 to 2.02.0 have been met; that
ii)
circui or equipmen is au omatically danger.
conn ct
fr
pp
as
reve
preven danger so fa as is reasonably practicable. 2. .03.
electr ca co du tors shal
of uffi ient stze an
rren ca ryin ca ci
fo
e.
2.02.04. Al circui conductors includin conductors formin part of equipmen shal either be so insulate an wher necessar furthe effectivel protected, or
i)
ii)
IS
reasonably
practicable. .I
conductance, insulation, mechanica strength and protection. 2.02.06. Ever electrical circui an sub-circui shal be protecte breakers or othe simila device which:
iii)
P({'c(J,...\_,(.k,Uv\':,
er ma
agai
ov
cu re
safe curren rating of th circuit. ( / ar of adequate breaking an making capacity Cc ar tabl ca ed an re co structed so revent an er fr arcing or scattering of ho particle when they come into operation. ar ll co-ord nated, as to ns re proper iscriminat twee an minimu disconnectio of faulty breakers
iii)
.0 .0
t-:
c ;c ) C " \" " .~ } " ': , . .. ~ '
meta or ecom char ed
ci cuit
t. er eati g,
d....c1J
.} ....",'
(1'/1
er al reaker
jt
\~i.~,-,~
electrical eq ipme t, ther an urre carryi on ct rs th electric etal rk al effect el on ecte
connecte an arranged to preven persistenc of dangerou eart leakag currents by usin residual curren device or equall effectiv devic~ (_§.... 2003--3
ditio
Page 130f69)'"
._
',~<.,)\,c.",:::\,Y-_
to re en
anger.
\1
\1'1\
t \" ,
'I
I ,, ,. , . .
vi L -~ ~ ' ' '
(\JP
t1
0-
J_ , , . 1
exposll!~' ..
..,J
elec rica
ns allation
ha be effe tive
conn cted
lect ically an
echa ic lly,
al such
~.JM.
.~
..x' echanicall
2tOW.
nd le trically in er-loc ed wi
Genera or inco er circui brea er to pr vent
1k System voltag an Frequency: t -
e -
System vo tage Lowest
nd Fr qu ncy:
400/230 Volts 376/216 Volts 424/244l~
+e sec.
System Earthing: Solid lesstha~
C.
HARMONICS:
Total Harmonic
Individual-Harmonics
Odd
Even
de re Ce sius 'i.. 100% de re Cels us 1.5 °C.Mlwat meters/secon
:;
1k Th 11kV contro switchgear shal always be installe at th ground floo of th building spac shal be switches an breakers Th room shal preferably be air-conditioned. Airflo
system shal
ro ded, an du tr al yp ai extr ct fa us be ro ided fo ensuring chan ol me ai in oo by ve half ho r.
fu
in th area
in ta lation utur replacemen an afet of .5 or ha no le ha .2 me er
eratin pers nel.
.0
oo height hall
be kept unobstructed an free fo ADWE
authorized er nnel oo ck fo lk itchge ro an ra sf rmer ro hall be provided with master-cylinde from "Union Locks" suitable fo ADWE master keys 4. 1.
Th
itchge
an th tr nsformer
al ot
installe in th same room
rooms.
Fo il in wi ne ra fo mer, an nstalled on ro he ra sfor er it
installation insid residential buildin
TR (Transformer Ri tran former 11
OOOVA nd
00
Ma unit shal RM (Qua -R
A..
be
maintained type emergenc ligh fittin an on number 13-amper socket outlet shal be installe in each room
ja ke ed kV copper cable, be ee 11 wi ch ea an th ra fo mer, hall in th trench inside th building Th entr to th cable-bo is from bottom
.AD wEA
DR
(P
ai
17O
9)..
ern, em transforme
movement
LV In
accordingly.
.
":"
··ADWEAWIRINGRULES AND REGULATION
00 --
';'_",',-
n1
-,:,,_.
Edition
(Page180f69)'-
re ai
4.05.01
valid, as applicable
ra sf
d,
rs
ic
om le
lo al it
s= r:
€G fi at n,
av il le
ll on
om is av la le
ad
V-
11
accessorie
4.05.03
fo th cabl installation
st ck
ed
he
uf tu er
lo al
pr en at
demand factor
l b
application.
.IN·5 CONSTRUCTION
GENERA
ARRANGEMENTS
u.JJ..
Curren Edition.
..
indicatin
,..,.
lamps.
------
urrent relay.
ym
'I..
VA
MY,~._
L/."U.,'"Y
em
ircu
if reaker
shal be
;:-"'-_:'::''-'_''::_',<'_'
ADW
WIiuNG
n1
Edition
(Page 210(69 ....
.0 .0
er
ma
ns me
itch bo rd
al
stallati
es th
ot re te
an 00
co ec ed irec
ec ,QAmps is connecte direct
itch oard hallno
es th
KAll
material an al installation shal be of permanentl high dielectric strength an insulation resistance.
hall ri id pp rted throughou their length and totally insulated ancfc'ofouredfo phase identification.
05
2 . Q m m is maintained betwee such conductors or part
than insulating material
.06.
ll ub cl aneL
ai sw tc ar curr ca ryin
al ha apac
eu ra an ea th ar runn th full en th th eu ra nd ct al ot le an th
half th size of th phas conductor.
eart co uctors ca read afel co nected here to an di co ec ed ther fr withou moving othe cables or disconnectin th incoming supply to th switch board.
plated Stee nuts bolt an washer will no be permitted.
t.
SWITCH BOARD: .0 .0
er
ai
ow vo ta
itch oard is co ec ed
\, recommende to be totall ~thdrawabl ~ -- -_ . . . . - . . . ., -
" -~ -- '- '- "- " - .~ -
circ it reaker
. . . . ,. . - -" ,- -, .- -- ~ " "~ -, -~ -" -, <- ,, ,
al
ca ed
it
re
fr
th
tage term al
tYl2 Air
comp rt en /secti
om letely egre te
- . In switchboar (any rating th outgoing circui breakerlbreakers ar no permitte to be installe adjacent to th main circui breaker.
5.08.04. Wher
-:
consumer installation requires more than on LV switch boar an ar connecte
couple circui breake an shal be mechanically and/or electrically interlocke to preven parallel operation.
in mu clea ance glan plat of th switch boards 5. .06. an
ai circ reaker al de tifiable fr
al
aintai ed fr
bo om
ir it brea er ever ns allati sh ll he tc gear by su tabl me ns to
re ch floo
marked as ch ca an er te
controls.
an th ou goin circui breakers shal be made only by usin tinned copper bu bars
5.09.01. Main switch boar y be i d in t
rl
l of a b
5.09.02. Electrical room shal be dr an well ventilated an of adequate size 5.09.03.
switch boar shal no be installe in an of th followin locations:
(ii)
(iii
Toilet/Toile Walls. Kitc en.lKitc en walls.
chemical dosing tank etc. be
bstr cted
he
Fo side an back clearances refe th Appendix IV "TypicalElectrica Rooms"
outwards an shal be an bstr ct on pe freely an shal be materials for non-ai conditioning room.
meta li
ouve ed
pe-Nan-c mbustibl
.09. 6. Th ro ha el en ilated preferably na ural he sing ai co itioning he ai ./ circ lation yste shal be designed to av occurrence of co densat on it in th switchboard(s) and shall be painte with fire resistan paint.
.10.
very witchboard shal be
rran ed that af acce
ha be va la lefo th
ur os ./
portio of th switch board. 5.10.0
switchboar shal be installe at such distance from th wall or immovabl structur that suffic en pa shal avai ab in fron of th or when he oors ar ullyopened he door shal be so arranged that when opened in an position th minimu clearanc betwee al be rovide ar nd he witc
oard fo sa
acce
an ex t.
OR
if
cost of such alteration or replacemen shal be th responsibility ofth
owne
consumer
show
below:
Type of Building Refe
to Appendix
Elec.
Size (i
IV
Room
ms.)
Size (i
ommerciall esidential
1.
building upto
floors
building abov uQto 2500
floors mps)
Cms.
LV ommerciall esidential
3.
4.
0 x 3
ll Boards)
----
5.
witc
6.
0 x 1
Other Building
Board.
Follow th guidelines show abov
Note:
acceptable. LV
im la
ia te nd le
pt t.
70
spar duct nc io id 00 shal be buil beneat th lo atio of main switch to th 5.13.0
-"
an inst ll tion th
bras an sh ll be ix
cabl 45
ai in omin supply cables to th
to
de th th ai cabl entr ducts.
id
ai switchbo rd sh ll be totall
etalli gl nd pl te provided with th switch board,
Th
inimum distance betw en glan pl te nd th phas termin mm'. mm', gl ta Refe to tabl nu be 5.13.0 in Appendix V. ,..
..... ".",--~."".
""
sh ll be 25 st
giving le trical supply to requirements shal be met:
building
building unde main failu~;:-th~ th followin
i)
Th st ndby gene ator shal be so onne te into th building distribution syst th it is electrically impossible fo th generato to ru in parallel with th ADWE supply Refer regulation 2.02.17.
ii)
he an installation is onne te ro DWEA source of powe supply nd st nd by gene ator set(s) an on specific re sons if equire to un in pa allel, prio approv ro ADWE shal be obtained In su ase, in orde to avoi alfunctionin nd to requirements fo "Paralleling of differen source of powe supply shal be me with
iii)
AD EA fo pprova giving detail of wiring diag am nd desc iption of operation. Th approv of AD EA us be obtained be or an generato se shal be permitte to be installed. iv
Th neutra
nd body of generator, ea
shal have
independ nt eart el ctrode an
If:.
5.15. 5.15.01~heconsumer premises such ~s villa: farm~houses, or locatio.nsinac~essiblefor ~D\VEA /' pelsonnel, an approved meterm cabmet suitable fo outdoo installation shal be mstalled outside, recessed in th compound wall
o f
r r
5.15.0 Wher ADWE powe supply is re tl co nected to eter ca et en ro is on 0 " ~ ~ G ~ fo installing ADWE cutoutlMCC shal also be provided within th metering cabinet. < : : . ~ 1\)"', R\ (ft'l
consumer premise, suitable fIre resistant/no combustibl base boar (wit suitable holes) energy mete shal
~.
w~do 5. .07.
supplied an fixe by th consumer
from th finished floo leve shal be 15 ems.
eter ca nets compartments hall ro ided ei ex er al r/co er hich al normal of cyli ri alt pe nd al itab fo ey
aste ey lock ac it es ge ty e. Th ma er oc hall fE rm ny
thicknes shal be provided at th bottom fo glanding of th cable. .1 .0
Me erin en ncor orat it -i itch oard al av eparat om ar ment with unbreakabl transparen viewin window exclusivel fo fixing energy mete an shal completely be segregated from othe compartments ".
to an bottom
be
5.15.11. Refe to Mete Specifications on Appendix VI
.._..------------
IRES
ABLES, BU WAYS
on le ib le /w appropriate British or Harmonisation Standard 6.
ir nd to us in no circumstan es be permitte to us
6.01.0
Wire
nd cabl 1.
1.5
in
pl
op
th he
lu in
uc or
shal have conductors as ollows Multi strande copper
an abov
if
precaution ar take to avoi excessiv voltag surges
_E 6.02.0
Single core ar oure wi es with st el wi
or tape shal no be used or a.
6.02.0
Wh re onductor of a.c. circuits re installe in erro agneti nclosures, th onductor of each ircuit shal be rr ng so that al th phas conductors th neutra conducto nd ondu to shal no be individually separate or su rounde by errous provisio sh llbe ad to pr vent dd curr nts.
ircuits.
aterial, or othe
6.03.0 Ever onductor or cabl shal have adequate strength to withst nd th electrom chanical forces that ma be caused by an curren includin faul current.
6.04.01_Al cables an conductors shal be suitably constructe to withstan an risk of mechanical damage or shal be adequately protecte agains suc damage
600/1000 volts. Flexible cord shal be insulate in th 300/300 fe ding portable equipmen or lighting fixtur respectively.
ts
or
on in
that ar fe from sock ts or lighting outlet
./
240/415
mrrr'. is 1000 IS
ec io al
ea
othe de-ratin
su at
2800
atts
gr e.
factor
in normal service.
q;(5,' 6.10
VOLTAG
DROP
ti
to
li
la
in
ti
Wiring Regulation U.K.
6.12.01._The effective curren carrying capacity correspond to th tabulate valu multiplied by th accordance with th curren Editio of th lE
Wiring Regulation
~·~~1·1 6.13
disposition an be arranged to carr substantially equa currents. 6.13.02. Cables having
,;i
urrent carrying ap city bove 25 Amps only be permitte to conn ct in c).\
6.13.03.
ny earthing onductor/cable shal no be permitte to onne circuit.
in parallel fo sa
powe
6.13.04. Th atin of th protective device whic prot ct th pa alle onductor sh ll be qual to th valu of th su of th effectiv curren carrying capacities of thos conductors
¥-
throughout t h e i r " entire length is
inaccessibl routes.
in
ll
in
lift installation. lift
6.14.05. Cables to be installe in underg ound duct or pipe shal be it armour suitably resistan to an mechanical damage likelyto be caused during drawin in 6.14.06. Wher cables--.aretobe dune sand shal be Ocmbefore th trench is back-filled. Approved cabl tile shal be installe directly on th to laye of sand throughout th cabl rout
specifications of ADWE
shal be followed Refe to Appendix VII.
whic ar stated in th curren Editio ofIE
,..----
Wiring Regulations-UK
is no appreciabl mechanical
strain in th terminatio of th conductors
appropriat valu stated in Sectio 3. 6.14.10.
be co tain
condui system or othe enclosur affordin adequate protection agains such damage ic diameter of th larges cable. 6.14.12. No sheathed cables fo fixe wiring shal enclosed in conduit, duct ductin or trunking Such -s athe cables al no ta ed ct cast oncret er an part of sf yt "'L_-ke J u . . k . 6.14.13. Wher cables conduits ducts, or trunking pass throug floors walls, partitions or ceilings th surroundin hole shal ad it em imilar fire re st ng ater al to
throug floors walls, partitions or ceilings suitable internal fire resistin barriers shal be
compressio type cabl lug, an shal securely contai al wire of conductors an shal no impose an appreciabl mechanical strain on th terminal 6.14.15. Th ends of th minera insulate meta sheathed cables shal be protecte from moisture by bein suitablv sealed an th insulation shal be thoroughly drie before th sealin material is ap lied ch eali ater al nd an ater al se ulat co du tors er temperatures to whic th cabl is subjecte in service. 6.14.16. Terminatio of minera insulate cables shal be provided with sleeve having temperatur atin ot es an that th seals.
io le in io le sound, be protecte agains mechanical damage an an vibratio liableto occur. in ti lbe
jo
6.15.03. No joints sh ll be permitte on ny cabl ru in onsumers fixe installation xc pt MICe
6.15.04. here cabl re to be te to to thei type of insulation and/or sheath is suitable fo th maximu
tr
------..-
.
it operatin temperatur of if necess ry by
suitabl hea resisting insulation
se
in
it .Ca
material shal be of brass.
sh ll be of
ir type resistan to da
x'
1).(\
si se to ir su ig ge by lt a-violet light. Th se cables sh llbe over by rm ~'-r
tP
'.J~-
le conductor
in
os
in
provide that the following requirement ar complied with:
i)
Th th
ii)
le ld an earthing terminal (tag).
iii)
ll
able is terminated on an pprove glan pl te by usin la ps th rmou of th able it
pprove cabl glan
ta
arth onductor sh ll be onne te from th earthing te mina of th cabl glan to th eart ba of th switch boar or equipmen bein suppli d. An
le th ar ouring
ircuits, th ii, and iii Additional earthin shall
os us be bonded to eart usin suitable gl nd as in 6.18.0 provided by mean of on of th following:
le
a)
le
la io
an be tape to it at regula interv ls b)
ei
INIM
hc
ec
IO
6.19.01. Th cros se tion ar of ph se conducto up to 16 th minimu cros sectiona area of th co responding protective conducto sh ll be of th sa si of th phas onductor in io ti conducto shal be half th cros sectiona area of th correspondin phas conductor. Th eart cabl shal be size as indicate on tabl nu be 6.19.0 in Appendix
6.20.01. Wh re un rmoure cables ar inst ll d, arthin sh ll be provided by an of separate cable whos insulatio colour is Gree an ellow. This able sh llfollo th same route th su le in
....0-
conductor.
6.22.0 1.Flexible cord shal no be used as fixe wiring 6.22.02. lexibl able or lexibl ords an only be used or conn ctions to port bl equipment. They shal be of suitable length to avoi undu risk of mechanical damage 6.22.0 Fl xibl wire shal no be us in th interconne tion betw en th busb rs nd in omin or outgoing breakers in M.D. or contro panel. However, flexible betwee th main busbar an incoming or outgoing breakers
AY 6.23.01.
un im si du wiring.
la
ti is ul
su oe
le 6.10 or genera physica se swit
6.23.02 Th busway shal be complied with th latest recommende editio unde UL 857 an lE 439 6.23.03.
us ay system shal be of lo impedanc type nd totall enclosed fo protection ag inst mechanical damage an dust accumulation
6.23.04. Busways havin perforated housing shall no be acceptable 6.23.05.
maintained in correc order. If necessary, purpos made phas interchanger ca be inserted oi th bu ha se ue se re ro th fron R-Y- ro le to right. '7
6.24.01.
sb be pe late th neutral) with 50% ~a pa in
ti ll late sy sh ll si ts bu he nc os
ba he
iz te
conductor. However, th enclosur ca be used astit$)aneart continuity conductor-if th enclosure is made from Aluminum. LJ,
~J-Y
6.24.02.
6.24.03.
.2
Neutra busb si ca to s'! th us 'high ns co pute ised buildmgs so as to reduce harmonic leve gene ated ro linear load to an acceptable value.
ng th non-
Th P\!~bru:_i~~L._cross-sectiona area shall no be accpetable cross-sectiona area stated in tabl 6.24.03 in Appendix V.
IR UI PROT
6.25.01. Th
TION
ondu tors of busway shal be protecte by suit bl circui br aker whic will op th circui unde overload or faul conditions
{'Ilt
(iuJ"
AT
6.26
~,lr"~(1-~
G:y~,J'
l'J-L~,\'1
.26.01 Busway or Busbar trunking shal no be installe in th followin locations:
-----._
.....
(unles th buswa is an approved type). ADWEA.
LUG-IN UN TS
6.27
6.27.01. plug-i unit shal be circui breake with adequate interrupting rating Each phas position of plug-in openin shal be individuallyinsulated. 6.27.02. Each plug-i unit shal be mechanically interlocke with th busway housin to preven th emov of plug-i unit hile swit hing op ration ar ar ie out, an be equipped with an operating handle fo th switching mechanism.
WA 6.28.0
Th enclosur of th busw ys shal be securely supporte at proper interval no ex eeding 1.5 meters).
6.29.0
Th nu be of nuts,an bolt an th ir si es fo th purpos of te mination of busw ys with
_ _ _- , t . J
' J o I V-
6.29.02. An ov rlapping ar of-l.Q ~shall be aint ined fo th te mination of busway ba L. SwitchBoar or Moto Contro Centre busbar
to th
ym
nt nd Bolts)
...
_ :: ,. _. - :. . _. .: .
: .: .: -' .: -
: :. :. > . . . . : .: . - '
ti
id
te to qu
in
ou
de
, .' , - :. : : ,- _ . -_ . ,
.
2003-~
n1
Edition
69) .-:
.3
SS GETH OUGH
OO S:
.3
ii)
(J"'L~' iv)
protection.Il'
to th bu ba nsta la io
rout
conditions. v)
hops
ff ce
fl ts
c.
vi)
late date
..
ix)
V'
compound
IN·7 CONDUITS CABL
TRAYS, CABL
TRUNKING UNDE
FLOO
7.01.01. Only galvanized st el or rigid, high impact heav gaug PV installation wher condui is to be installed.
TRUNKING
condui sh ll be used or an
7.01.0 Rigi PV condui shal no be used in th followin locations: Wher expose to outsid ambi nt te peratu e. ti
it
ns
n.
to op
f)
ho
be sm
ic
in
th
ir /c
th nd ve
ns nd in
nt
flange adapte shal be used in orde to obviat abrasion of cables/wires
7.03.01.
complete condui system with al ne essary ac esso ie fo each circui shal be installe
protected.
io oi
th
e/
ui
AW
7.04.0l. ! 2 m . w _ : ! p . . : - 1 ; ! 9 ~ e s or inspectio c
ontain
or
~ ~ ~ ' . condui fittings shal be '~g!hread~~._! Th
7.05.01. PV conduits an entrie of conduits fittings shal be so designed th reliable wate tigh join shal Demad betw en condui fittings Ever join shal be made by viny solvent. 7.05.02. PV onduit boxe fo ll electrical cc ssorie includin ligh switches so ke outlets, flex outlet an othe al ounted accessorie sh ll be fitt with opperlbras arthin
ONDUIT SIZE
~.06
diameter Th othe size sh ll be 25
m, 32
38mm an 50 mm
outsid diameter of th conduit.
7.08.01. Wher conduits re installe on th surf ce of building fabric they should be supporte by purpos made condui saddle or spacer ba saddles. 7.08.02. Supports sh ll be provided at 20 id conduit.
7.09.01. Numb
aximum spacin of 1500 fo galvanis du lati
stee condui to ib
of single or non- sh athe cables ru in on conduit, shal be such that it permit
Kingdom. 9.
ou
le of
together shal no ex ee 40
to th internal area of th conduit.
it
um
conductor. Al joints shal be made mechanically an electrically continuous by screwing conductor. 7.10.02. Only galvanized stee condui shal be used in surfac mounte industrial installation an in situations subjec to fire risk PV conduits shal no be used fo such applications 7. .03.
er co ui nd on it fi ti gs ar at ac ed sw ch es er eq pmen mo th or ma ra bu es an used.
features ofth .10.
ar hall
building demand otherwise.
xe en nd he acce orie have th same protective coating.
7.11.01. Flexible conduits shal only er ibrati xi ts nd em fixe wiring. .1 .0
es is ribu io langed ou in
Flex le co du ts
al
al be
am
at rial as
co
it nd
ed fo th inal co nectio tors ther ac qu me at re uire adju me of si io
me alli
pe nl
etalli flex bl co du
sh ll ot
al
er th
ny
be
conducto of appropriat size shal be provided
'-"""
approval in writin bein obtained from th ADWEA.
susceptibl to mechanical damage here necessary, flexible conduits shal be adequately su rt an or ro ec ed he ma mu le gt flex bl on it ru al ot xcee 2. meters.
of wate an moisture 7.11.06. Flexible conduits ru expose to outsid ambien conditions shal be of th type coated with PV suitable fo outsid ambien conditions It shal also satisf regulation No 7.11.05. .0 qu me ap ro ed rp ad flexib cond condui securely in position withou destroying it
adap er
as
he flex bl
sh ft
si nt al
nd
ia
bu ld g,
c.
damage.
J'
corrosio
ce
bl
resistan
st li
an
on in
or on in ou
material
ta ni
bl
t.
rv
he
ca
imat
nd ti n.
special installations/locations where it is inconvenient or difficul to install conduits> 7.13.02. Trunking shal be of metallic or non- metallic construction Non- metallic cabl trunking shal be made from non- combustibl insulating material such as PVC, whic shal be full corr io re stan ma eria covers.
Al ca
ru ki
sh ll
rovi ed
it
em ab
ca
7.13.03. Cabl trunking shal be manufactured from substantia sections to provid adequate strength an rigidity Al shar edges, burr an othe projection shal be remove an th trunking
7.13.04. Al bends, tees an othe accessorie of cabl trunking shal be of substantia sections an of th same qualit as th trunking itself run
installe before cables ar draw in Cabl trunking shal be readil accessible throug ou its length.
ends shal be closed .13.
re common ca trun ng empl ed fo ou ng ircuit er ti at fferen voltages such as power, telecommunications fire alar circuits then th trunking shal be provided with separate compartments fo th differen type of circuits
7.13.08. Cabl trunking shal be securely supporte ever meter, when ru exposed. 7.13.09. Th number of single core cables whic ca be accommodated with in trunking shal relate to ac fa to ex ee ng Space factor
/17.13.10.
appropriat grou factor stated in th curren Editio ofIE
Wiring Regulation U.K.
7.14.0 Unde floo trunking system shal no be installe in hazardou location an wher they ar subjecte to corrosiv vapour or th area regularl washed 7.14.02. Al unde floo trunking shal be installe in st aigh lines.
hanges in di ection of unde
fitted with removabl inspection traps. Dead en of th trunking shal be closed 7.14.03. Flyovers shall be provide injunction boxe fo segregatio of multipl services.~ 7.14.04. Unde floo trunking system shal be provided with floo servic outlet at regula spacing. /' 7.14.05. Joints in onductor ar no permitte in ny part of th unde floo trunking syst m. ic li ti from the servic outlets.
tr si
in
io
le
7.14.07. Th ombine cros se tion re of ll conductors inst ll within th trunking shal no xten 40 of th interior ross sectiona area of th trunking se
Ji
su
s,
ta te s, to ts voltage, mult sectional/compartmen trunking shal be provided an each servic shal be housed in separate trunking ompart ent. loor servic boxe servin differ nt se vi es an installe within th same bo shal be provided with suitable separators
SU -M IN
STRI TI BO RD IS RIBU IO BO RD CIRCUITS AN DOMESTIC INSTALLATIONS.
FI
SU
~.\Q. ..
-I:::--lJ-
'-
v-J'O
8.01.0 Requirements from 8.02.0 to 8.02.1 ca be hold fo SMDB 8.01.0 Sub-main distribution boards shal have adequate faul curren rating (rupturing capacity). er b-ma itch ar irec conn cted from ap ff re tl fr main LV switchboard, then th faul curren rating of th sub-main distribution boar shal es ha sec. Sub-main distributio board shall floo of building
installe in sub-main electrical room centrall on each
eqtiipmefii.~-~·---
Distribution boards shal comprise miniatur circui breakers moulde case circui breakers n.
be
residential installations. Re-wirable fuse shal no be permitte fo an type of installation
,-,y!t-,._~)
8.02.0 Distribution boards shal be of type tested or factor buil assemblies complyin with BSEN
--
8.02.0 Distribution boards shal be limite to 14 ways
.02.03 Ever distribution boar shal have neutra cOnnection ba mounte on insulators within th board and shall hav minimu nurnber-'o(~~abIeerminatio'n e q u a l shal ls be ui able ac ep th as outgoing Ia incomer. ("
.0 .0
argest size of able(s
ch
ay be xp ct
used
ac stri ut ar al av an e~rth~ ~_e_cJ !l shal have minimu number of cabl terminations equa to that of th number of individual ircuit that th stri ut on boar as ee desi ed to ta e. Interc ec on mean outgoing cable(s) shal also be made
type bu bars (combe type shal no be used.Yl'he neutra busbar shal have cros sectiona
(Page 44Of69)"-:
if th outgoing breakers re 8.02.0 T~!1nillalearth an_gneutI=at~usQ~~_c:_~bes~5!_.~_t2~ MCB, whereassq]id_eart an_:!ne~tra bushaL.§!ha_~~use if in MC B. Howeve abov 25 Am soli ea th nd neutra busb shal be utilised
8.02.0 Ever dist ibutio bo rd shal be protecte by it ow individual circui breake or~a t.\ st io ts ot ti isolatin switch shal be provided integral with or adjacent to th distribution board.
of te
8.02.08 Miniatur circuit breakers Il1ould~
8.02.0 Busbar shal be used to connec betwee main breake outgoing terminal to.th busbar 8.02.1
lexibl wire shal no be in ny case us
8.03 FINA
C\
in
DISTRIBUTION BOARDS
requirements £!!!..alsobe incorporated in the fmal distribution boards. go ui th st io can preferably be of residual curren op rate with integr over curren protection fo househol nd simila us (RCBO's). ii)
ul 8.03.01- cannot be applied, then residual urrent oper te circui breake can be provid as main or each se tion of th distribution board. As fa possible th number of subsection shal be minimise to two
iii)
Light circuits can section.
usin
can be in di fe en
aximum 10 rnA,
rnA
8.0
FINA
SUB-CIRCUITS:
consumer unit. 02
he
na
ui sh ll
se
te
protective conductor 8.04.03. Al distribution boards shal be lush or surfac mounte nd shal be inst ll at height no to to he ib on sh or:le l. ll conduits used fo fina circuits shal be terminated directly in th distribution board.
8.04.05. Each distribution boar shal only supply fmal circuits on th same floo wher th boar is tO
.04.
----
stri ti ar al no talled th ki chen wall th staircase, airway wall balcon an inside bedrooms
8.04.07. Al distribution boards locate within MC s) re id al curren er te
athroo
le
ll
nder
dwelling shal comprise miniatur circui breakers circ reaker th te ra ov rl ad ro ec io
withi these distributio boards. 8.04.08. Joints shal no be permitte in an fina circui wiring except at ceilin roses, accessories,
be
permitte
within thes
boxes. 8. .09.
ax mu jl ad hall er tted on ec in S!!! !. .p"~ is ribu io re than ai nd ti er (w nd ._!IP.~.~:_.~pli!gnit)ar in alle thre distribution shal be arranged an th load shal be balanced betwee th phases
here hase
8.05.01. Wher an installation comprise circuits fo telecommunications or extr lo voltag or fire alarm, as well as circuits operatin at lo voltage, precaution shal be take in accordance with th followin regulation to preven th physical contac betwee th cables of variou type of circuits .05.
able ca eg ry-] circ ts al ot be ru am cabl ra as ca le ca eg ry-2 un es at er able ar in late th same degree fo th highes voltag presen in th category -1 circuits
conduit, trunking or duct as cables of category-3 circuits 8.05.04. Cables of categories an duc or truiikm~r--'-"-
shal no in an circumstance be draw into th same conduit,
continuous partitio of fir resistin material.
common multi-core cable, flexible cord.
; , " - \ , ' ; , ., _ : , ' , ," , _ ' . ; : / : ; , : : _ , O ' i - : - ' , , : , , _ - ' . : ,: - ,
-Cc_
GU
ON
Edition'
(Page 460f69)"-
IN
Circui Breake Rating (Amps)
IE
onduct Si Phas Ne tr l, Eart
Maximu loadin of circui (Watts
10 2.5
15
heat resistin
wash oo
materiaL
es dence.
1800
8.07
UPPORT
8.07.0
UM NA RES:
Ligh fittings (bot tungsten an fluorescent) shal be methods:
up
ll
in
i)Dire suppor from th fals ceilin framewor (provide th ceilin ha been design to withstan th eigh of th ligh fittings). When usin this method th ligh fittin shal be reducing its rigidity ii)
Meta condui suppor from th undersid of th st uctu al slab in
ss
sh
le
luor scen fittin shal
in
ju
he it in
iii)
it in sh ll lush ounted
dequat
tw od suppor shal be
or
nt to he
fittings by mean of nuts an washer to give th leveling adjustment required iv Chai suppor from th undersid of th structural slab
luor scen fittin shal have
with threaded portio to llow fo levelingof th ligh fitting.
fitting
8.07.02. Wiringto th ligh fittings shal be ru within th condui system wher th loop-i principl is used as detail in 8.07.0 (i) or sh ll be by eans of ceilin os nd flex outlet wher fittings ar installe detailed in 8.07.0 (ii), (iii), passes throug th body of th ligh fitting, suitable rubber gromme shal be provided 8.
gh tt gs tt di ec to th condui box. 7.
he it in secure di ec to tw condui bo
so
ixings
00
st
in
tu
th
la
hall
in
le
th
sh ll
Note:
finishe ceiling 7.
gh ng sc ig ng ti correction capacitors to give minimu powe factor of 0.93 lagging.
:::':'_,-:::'::::;_<':,:-;"'i:_','.-,·:_:::-:_';
ADWEA
WIRING
RULES
AN])
REGULATION
2003--3rdEditio~
48
f69)-
locate
outsid
th room unles~c:eiling mounte "'p_ulcord operated.swit~hesaI-e)used .-
.
an
AT
for personnel .0 8.08.03.
f/
In
I;
e p
e n
y be e
..--d
in
shall
mA
mA
earthing system
pprove
nufact re
Also ci cu ts of ther eq ip
nt
8.
SO
OU
S:
switch Socket outlet withou switch shal no be permitte to be used is recommende that al genera
connecte inthe same phase.
differ nt ha es then meters
acin
et ee
ch oc et
tlet
shal no be es than
8.09.04. Th maximu number of single 13 switch socket outlet permitte to connec in on rin,.g main circ hall no be n. d a
o s
8.09.05. Each radial main circui shal be connecte to it ow circui on th distribution boar usin single core ~4-~ ns la ed copper ca le fo phase, ne ra an ir ui ro ec iv co ucto an al ro ecte by 15Amps MCBIRCBO .---"-"--.'"----,----
PV
in ulated co er ca le fo phase, eu ra
nd circ it
shal complete th ring fo each circuit. 8.09.07. In € , t: l copper cabl radial maih-cif((uitshal be permitte to be connecte provided it shal be protecte by 10 Amps MCBIRCBO Thes outlet ar intended only fo conne~~~ ta]:)lel~111ps similar units. 8. .0
~~
socket ou le ;U un ts hall ermitted in at rooms, ho er room or oilets in any circumstances. ' ' c i n ( y shaver socket outlet shal be permitte in bathroom provided they comply with BS 3535
radial/rin main from th distribution board. Th maximu number of 13 switch socket outlet permit ed on ec inth ki ch shal more an ig mber de no circuits comprising socket outlet in othe rooms.
othe ma er al that ma ca ch fi
du to tran mi sion
ea
8.09.11. No spur outlet will be permitte to connec from radial/rin main circuit.
(Pag
50
f69)" ..
be
MCBIRCBO.
Three
be
O.O!. Amps D.P.
in
be
rm ed
be
15/20 Amps MCBIRCBO
' - - '_ ,> : '_ : ,: _ ,' -: : ;, « :
: ,' :
ADWEA
' :- '_ > . .) :
: ~ -' :- -; ,' :
WIR1NG
>': ,:':-,:: ."~,"_,__ ' :- : -_ : ', ' - : _ _' ' :
R U LE S A N D
. :, - _ ._ - ; -
: - : :, : ', _ ,' , - ,- , :' - ., '- : -
REGULATION'
,'
··'2003--
,_
rd
e5
9)
.... .>
Amps MCB/RCBO
condui shal be used fo interconnection. .0
v'
ea th eakage .1
la having
ensi ivit
f}QQ..
.C selector switch 2003-- 3r
dition ..
.1
gaskets.
8.19
IG
INGI OL
IG
.0
8.
ING:
be
IC
ISOL
IO
.2
t·
" ,_ ', :_ _: '_ ', _' _
..
' -' ~: ,: ~ : : ,, :_ ,
.:'
-,-
GU
ON
n1
Edition
,",_'
8.
IF
8.21.02.The
lift qu en
SC
ORS:
lift he lift
to lift
.2
.2 ./
S:
oo lift installation.
MJ IMlJ IMlJ .23. .23.01 01
im
lJIR lJIREM EM acce accept pt bl
S.
um er of
ectr ectr ca po er
cces cces orie orie
each in each
om
Kitchen 3A witc witche he
ocke ocke ou lets lets Gene Genera ra
urpo urpose se
Nos. os
(Was (Washi hing ng
achi achine ne dish dish wash washer er.e .etc tc.) .) No. No
heater ii
Al Bedroo Bedrooms ms 13
iii.
vi.
sock socket et
ut et
(Gen (Gener eral al pu ose) ose)
ocke ocke outl outlet et
(G nera nera pu ose) ose)
Majl Majlis is 13
iv.
swit swit
witc witc
Nos. Nos.
ng
Dini Dining ng Room Room 3A witc witc
ocke ocke outl outl ts Ge er
purp purpos ose) e)
3A witc witc
ocke ocke outl outl ts Gene Genera ra
urpo urpose se
Bathrooms
switches
Nos.
No
dw ling ling
floo floo leve level. l. g F
0 m
5A
AlC Uni /Equip /Equipme ment. nt. AlC,
Water
in kitchen
level
NOTE
EL CTRI CTRI
9.01
OT RS
SCOPE:
400/230 Volts
powe powe
supp supply ly
lIP
9.01.04.
All with within in th foll follow owin in
limi limits ts Max. Max. Permi Permissi ssibl bl Star Starti ting ng Curr Curren en
Sing Single le Phas Phase! e! Thre Thre Phas Phas
Hp
Thre Thre Phas Phas
5H
Thre Thre Phas Phas
0 H
HP
.5 current
Primary Starter
111.
Resistance Regulation 9.01.04.
Auto Transforme
rv
9.03
Three
Direct -on- Line Starte
1.
GENERA
1.
REQUIRE
NTS:
Dr oltage ailure of up ly
lli.
> : : : . - . . . . . . . . . : . . _ . : . :' . ;.;".::;::,,:-; . . " :; ' . \; ; : . . ; .: : - . . :. : . ; , . . . , . : ' . : < , : ; : . . . ' : : : c > . , : < _ . < " , : < : - ' ' -. , ' . . ' - : : ._ . : : . : - .' - : - . . _ .:._'o;.::..,.;._:.::;. ;:
: , ·' ': ; : :. : ' :- : " i, , ,- ' :, ' : _: . : :> _ " :
. . : ,. ' :, ' :· :
. . . . , - :' , :
. . . : . ' . . : . < . . .. : .
REGULATION·
'.
~,;,,',':::::>
2003-- 3rt Edi~OD
(Pag
58
f69) ....
(9.03.06.
9.03.07.
clea circuitr diagra , c ll ~o or
nd
(Singl line diagram) shal be firmly fixe inside th li or ov l s
s,.~o
ur
in
ve
ts
ns
to(C
.,
requirements
Al
quipment in luding cabl
of ev ry circui
arryin starting accele atin
an
load
rating of th motor. /·~.03.09.
9.
ondu tors supplyin tw or su ta ul oa
or
se
ir
or motors shal have ti th
ig
it
cu rent carrying apacit equa to lu 25 ig
bl
produced by th moto itself or by an adjacent equipment.
in
ol
SEC' ER FA
N·10 ECTI
ower Factor of ev ry onsume ..inst ll tion hether domestic,co 10.01.01. Th industrial sh llbe improved to leas 0.93 laggin to unity. 10.01.02
er ia or
ower acto orrectio ap citors ay employed fo individua compensation forCb_ grou compensation or fo centralized compensation.
ts
to
ll
in
ll
load. 10.01.04.
ti no lo in to id ta in th occurrence of self excitation on run-down conditio of th motor.
~~,,~~ inductio furnace, equipment/plants motors machines ligh fittings with discharg lamps/fluorescent tubes, etc 10.01.05
or grou co pens tion or cent aliz ompensation, auto atic ap cito bank with approp iate step shal be us d. As ar as possible smooth non- variable powe fa to shal be achieved an maintained throughout it operation. Th rating of each capacito st sh llbe such th th initia step s) sh llhav less kVAr atin nd th rating of th subsequent step ca be graduall increase to th desire maximu kVAr.
10.01.06 Th occurrence of hannonic whil employin variable spee drives weldin machines
supply syst capacitors. 01
to
to
th
significan
te
xtent, ~a moni fllt rs sh ll be mploye in seri
ta la io
with
'\f"
10.0
SPECIFICATIONS .0
limitaiiop
ar exceeded ~Jj
the
.-
J~,~
formats. .0 informations:
Manufacture
,.~;;
if any).
fV
.C
.0
,J
10.02. 1. Capaci or bank
. . ' _ ,' _ : ' .: i ;, ' - - - : , ~_ - : : - : -: < ; ' ;- : - > ,· - : ~ _ - , ill
EA\VIRIN
al
ovided wi
: , ;_ - - :' _ - : -: .> : : . . . _ : :- . :, .: '_ . : . . ' , . , . : " . , ,' ,
RU
AN
adequa
.';..: .:-:,:~:-:>::
EG LA IO
en il ti n.
-:_:_:'.;-::'
2003-- 3r Editio
,)Y;JR
0.02 12.Eac capacito step shal be protecte by mean of protective device such as HR fuses. fuse sh ll be curren miti brea ng ca acit er 00 kA RC us ar preferre to M.C.C.B' or M.C. IS lO.02.13.The capacito pane shal be provided with is ator shal en or
in er cked en
he oo
suitably rate main income isolatin switch ns re that ca acit
lO.02.14.Capacito ban shall not be ap rt mo or co ro ce tr lbe in separate cubical. .0 .1S.
ma
an is e-en rgized
.V
ne
-m in
e- in ac rs capacito th armo ic fi te shal size cc rd ng eliminat harmfu harmonic that ar bein generate from th installation of non-linear lo ds an netrated he etwo te ca ng amag eq pmen Refe
.0 .1 .T e- in fact rs percen ag of reacto harmuful harmonics such as third harmonic.
al
se ac rdin ly as to elim nate th
vL..v
lC 11 1l.0 l. 1. Ever consumer installation shal be provided with separate earthing system installe an maintaine by th consumer 11.01.02 Ev ry mean of earthing nd ever protective conducto shal be sele te an er cted so as to satisf th requirements of thes regulations. 11.01.03.
11.0
on th te se tr de in connecte betwee th eart electrod an th consumer's main earthing terminal or eart ba prot ctiv conducto s, equipotentia bondin of al jlleta w0.f!cexpose conductive part an enclosures.
EARTHING ARRANGEMENTS
11.02.01. At Distributio Board/incoming powe supply withi the consumer' premises 2.
l.
tc te 00 nd id ~~lectrode points Refe to Tabl No 11.02.02 in Appendix V. Me
onnected to th
ov arthed poin of th sour
in th of energy
th
te
in
he in
lati
to be
11.02.04 Wher th consumer main switch boar is directly connecte from th L.V. terminal of .b te si os pr is is ar of th eart electrod shal no over la ea othe 11.02.05 Linkin connection betw en neutra an ea th ba in th M.D. is no permissible. Th neutra poin of transforme shal be connecte to th neutra busbar ofM.D.B.
or _g_eneratorearthing s~
functional purposes. 11.02.08. The earthing arrangements shal be such that: i)
ii)
iii)
he valu
da
th
su
in
na to
requiremen of th equipment shall be apable to withstan withou dang r, particularly from thermal, thermo mechanical electro-mechanical stresse due to th occurrence of eart fault currents an earth leakag currents. th ar adequately robust or have dditiona mechanical protection in ccordanc with the external influence.
hall
oundly
ad
nd be el ct ical
nd
echanica ly sati factor
be
v"
.0 Eart Eart Eart
a) b) c)
rods ap Plat
Co per) (C pper
be
d s
.0
re istanc
du
co rosion
f...
ii!)
.t as eart
electrode.
11.04.01 In ever installation th main earthing terminal shal be provided to connec th followin
Th circui protectiv conductor.· Th mai bonding conductor A ,! . c J Fgnctional earthing conducto mb
.:
S:.~.
if any).
.0 .0 .The ma qu potentia nd ng cond ctor shal have cr ss ec io al ar no le ha half th cros sectiona area required fo th earthing conducto of th installation an no es ha mm", .0 .0
Th main equi otential ndin co nect an gas, at or ot er er ices ad ne as practica to th po nt entr of that serv ce to remise
al
11.05.03 Al expose conductive parts, extraneous conductive parts, fixe appliances etc. shal be bonde by using supplementar bondin conductors. 11.05.04 At industrial establishments wher severa motors an othe equipmen ar installe at leas
equipment/moto shal be separately connected. Th series method of earthing on piec of equipmen to anothe shal no be accepted
./ conducto shal follow alon with each circuit.
rote tive on uc cable, flexib cord alon with phase(s) an neutra of circuit. 11.0 .03. etal co duit tr ki g, tr y, stee encl sure ty form part of protective conductor. .0 .0
Th
ro
ec iona area d be e l to t
rotect ft
se ar te rote tive co ucto
of us ri er tc shal no
ra
se
co ductor containe in le bl ca les, or flexible tc gc
..
11.06.05 When th meta sheath/armou of cables ar used as protective conductors i)
Ever join in such sheath/armou must be made that it curren carrying capacity is it lf
ii
he able sh ll be terminated in th cable.
iii)
Th cabl glan shal be held in position an earthing terminal.
approved able glan that cl mp th ar ou of
it
suitable lo k-nu an
ti switchboar or the equipmen bein supplied. 11.06.06 Th cros sectiona
re of ve
prot ctiv th
onductor no lf
ompl te with
.t
ontained in
able fleXible
feeding the circuits.
be prot cted wher ne essa corrosion.
ga st mech ni al da ag an agains th possibilit of
ADWEA earthing. 11.07.02
inimum distance of separation of 7. et rs shal be provided in ve case betw en lightning eart electrodes an ADWE eart electrodes lightning protectio syste shal be carrie ou in accordance with BS 6651.
INSPECTION AN
TESTIN
12.01.01 Ever installation shall, on completion an before bein energise pres ri ed form --refe to pend II-- an shal inspection an testin by ADWEA Engineers.
2.
bm te
inspecte an tested EA fo furthe
INSP CTIO
12.02.01 Inspection shal be made to verify that th installe electrical equipmen ar in compliance with th relevant standards, thei selectio an erection ar in accordance with regulation nd appr ed ra ng nd also en ur at isib amag ef ct ny ar of th installation to impair th safety 12.02.02 Inspection shal includ th checking of th followin items:
L/
f)
Cros sectio of conductors fo curren carrying capacity an voltag drop
g)
Connection of single-pol device fo protection/switching in phas conductors only.
12.03.01 Th followin tests, wher relevant shal be carrie out: i) Continuity of in fina ircuit conducto s. ii
Continuity of protective conductor including equipotentia bonding
iii)
Insulation resistance. te io
vi
of ir it
Protection agains direct contact. ul ti
i)
th
on
lt
ll
im
xii) Eart electrod resistance.
ts
ol
ui
ur
nA
Th insulation resistance test betwee live conductors an betwee each live conducto an eart shal be measured with dire curren an test voltag 50 d.c..
