IS 10242-4: Electrical installations in ships, Part 4: Installation and test of completed installation

21 Pages·1992·2.4 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 10242-4 (1992): Electrical installations in ships, Part
4: Installation and test of completed installation [ETD 20:
Electrical Installation]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 10242 ( Part 4 ) : 1992

ELECTRICAL INSTALLATIONS IN SHIPS
PART 4 INSTALLATION AND TEST OF CO~MPLETED
INSTALLATION - SPECIFICATION
UDC 629’12’066 : 621’316’174

0 BIS 1992
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

Match 1992 Price Group 7
lacirtcelE tnempiuqE and snoitallatsnI ni Ships lanoitceS ,eettimmoC DTE 26
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb
eht lacirtcelE tnempiuqE and sncitallatsnI ni Ships lanoitceS eettimmoC had neeb devorppa yb eht
lacinhcetortcelE noisiviD .licnuoC
sihT standard ( traP 4 ) has neeb deraperp ot revoc eht stnemeriuqer elbacilppa ot eht noitallatsni
fo lacirtcele tnempiuqe rof esu ni ships and ot eht gritset fo eht etelpmoc .ncitallatsni
sihT standard ( traP 4 > is eno fo eht seires fo lacirtcelE snoitallatsnI ni Ships. sihT seires fo naidnI
Standards no lacirtcele snoitallatsni ni ships stsisnoc fo eht gniwollof parts:
traP 1 ,lareneG
traP 2 metsyS ,ngised
traP 3 ,tnempiuqE
traP 4 noitallatsnI and tset fo detelpmoc ,noitallatsni and
traP 5 laicepS .serutaef
sihT trap fo eht standard shall eb daer ni noitcnujnoc htiw eht rehto parts denoitnem .evoba

nI eht noitaraperp fo this standard assistance has neeb nekat morf CEI noitacilbuP 104-29 ( )0891

lacirtcelE snoitallatsnI ni :spihS traP 401 noitallatsnI and tset fo detelpmoc ,noitallatsni issued yb
eht lanoitanretnI lacinhcetortcelE noissimmoC ( CEI .)
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw
eht lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a tset ro ,sisylana shall eb dednuor
ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( .‘)d&ver ehT
rebmun fo tnacifingis secalp deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht
deificeps eulav ni this standard.
SI 18242 ( traP 4 ) : 1992
Indian Standard
ELECTRICAL INSTALLATIONS IN SHIPS
PART 4 INSTALLATION AND TEST OF COMPLETED
INSTALLATION - SPECIFICATION
1 EPOCS SECTION 2 EARTHING
1.1 sihT standard ( traP 4 ) is elbacilppa ot eht 4 STRAP FOR HCIHW GNIHTRAE SI
noitallatsni fo lacirtcele tnempiuqe rof esu ni DERIUQER
ships and ot eht gnitset fo eht etelpmoc
4.1 Unless yllacificeps detpmexe ni eht gniwollof
.noitallatsni
,snoitpmexe all elbissecca latem parts fo eht
lacirtcele ,noitallatsni rehto than gniyrrac-tnerruc
2 SECNEREFER
elbissecca parts, shall eb .dehtrae
ehT gniwollof naidnI Standards era yrassecen
stcnujda ot this standard: :snoitpmexE
a) pmaL ;spac
SI No. Title
b) ,sedahS srotcelfer and guards, detroppus
2148 : 1981 foorpemalF serusolcne rof no sredlohpmal ro serianimul detcurtsnoc
lacirtcele apparatus ( dnoces
,fo ro deduorhs ,ni gnitcudnoc-non
revision ) ;lairetam
5571 : 1979 ediuG rof noitceles fo 4 lateM parts ,no ro swercs ni ro ,hguorht
lacirtcele tnempiuqe rof
gnitcudnoc-non ,lairetam hcihw era -apes
suodrazah saera ( tsrif detar yb hcus lairetam morf -tnerruc
revision ) gniyrrac parts, and morf dehtrae -non
9596 : 1981 lareneG stnemeriuqer and gniyrrac-tnerruc parts;
noitacifissalc fo stset rof 4 elbatroP secnailppa gnivah elbuod ro/dna
stiucric-orcim
decrofnier noitalusni ees[ SI 10242
2420i ( traP lacirtcelE snoitallatsni ni ( traP teS/l 1 ) : 1982 ] dedivorp that eht
1 /
teS 1 ) : 1982 ships: traP 1 ,lareneG -ceS secnailppa mrofnoc htiw dezingocer ytefas
noit 1 snoitinifeD I and ;stnemeriuqer
lareneg stnemeriuqer 4 gniraeB sgnisuoh hcihw era detalusni ni
10242 ( traP /2 lacirtcelE snoitallatsni ni redro ot tneverp noitalucric fo tnerruc ni
teS 1 ) : 1982 ships: traP 2 metsyS ,ngised eht ;sgniraeb

noitceS 1 lareneG )f Clips rof tnecseroult gnithgil ;ebut

10242 ( traP 31 lacirtcelE snoitallatsni ni )g Apparatus deilppus at ytefas egatlov
teS 1 ) : 1983 ships: traP 3 ,tnempiuqE ;;;T :ll.2 fo SI 10242 traP( teS/l 1 ) :
noitceS 1 srotareneG and
srotom
)h elbaC .spilc
SECTION 1 DEFINlTlONS
ETON noitaredisnoC- llahs eb nevig ot the
gnihtrae of the tnerruc-non gniyrrac parts hcihw
3 SNOITINIFED are ton elbissecca tub hcihw rednu tluaf snoitidnoc
thgim emoceb evil dna ecneh etutitsnoc a erif
hazard, hcus as a latem xob-noitcnuj detnuom no
3.1 Earth Continuity Conductor a nedoow .lenap
,eriw elbac ro rehto rotcudnoc gnitcennoc ot
A 4.2 oT eziminim kcohs morf ycneuqerf-hgih
hcae rehto ro ot eht gnihtrae dael esoht parts
egatlov decudni yb eht oidar ,rettimsnart ,seldnah
hcihw evah ot eb .dehtrae roF ,elpmaxe ti yam
hand-rails, ,cte fo latem no eht egdirb ro reppu
eb ni elohw ro ni trap eht latem tiudnoc ro eht
skced shall eb ni doog lacirtcele noitcennoc htiw
latem htaehs fo eht ,selbac ro eht laiceps htrae
eht lluh fo .erutcurtsrepus
ytiunitnoc rotcudnoc fo a elbac ro elbixelf droc
gnitaroprocni hcus a .rotcudnoc eeS-ETON naidnI dradnatS no -gamortcelE
also
citen ytilibitapmoc of lacirtcele dna cinortcele
snoitallatsni ni spihs (
3.2 under prepurafion ).
Earthing Lead
A rotcudnoc yb hcihw eht noitcennoc is edam ot 4.3 yradnoceS windings fo tnemurtsni -snart
eht latem lluh fo eht ship. sremrof shall eb .dehtrae
1
SI 24201 ( traP 4 2991:)
5 SDOHTEM FO GNIHTRAE 6.3 lateM parts fo elbatrop ,secnailppa rehto
than gniyrrac-tnerruc parts and parts detpmexe
5.0 elbisseccA gniyrrac-tnerruc-non latem parts ni 4.1, shall eb dehtrae yb snaem fo an -htrae
ton detpmexe rednu 4.1 shall eb dehtrae as ytiunitnoc rotcudnoc ni eht elbixelf elbac ro
debircsed .woleb ,droc hcihw seilpmoc htiw elbaT 1 and hcihw is
dehtrae rof elpmaxe hguorht eht detaicossa gulp
5.1 lateM semarf ro serusolcne fo apparatus
and .teltuo-tekcos
yam eb dexif ,ot and ni cillatem tcatnoc htiw eht
ship’s ,erutcurts dedivorp that eht secafrus ni 6.4 rednU on secnatsmucric shall eht dael
tcatnoc era naelc and eerf morf rust, elacs ro gnihtaehs fo selbac era deiler nopu as eht elits
paint nehw dellatsni and era ylmrif detlob -ot snaem rof .gnihtrae
.rehteg ,ylevitanretlA yeht yam eb detcennoc
ot eht lluh yb a noitcennoc gniylpmoc htiw 6 7 DEHTRAE NOITUBIRTSID SMETSYS
and 8.
7.1 ehT metsys gnihtrae noitcennoc ni an
A dael elbac htaehs shall ton eb ylelos deiler dehtrae noitubirtsid ,metsys ni hcihw eht -htrae
nopu rof this .esoprup gni noitcennoc seod ton yllamron yrrac ,tnerruc
shall mrofnoc htiw eht noitadnemmocer fo 6
5.2 roF stnemeriuqer grinrecnoc gnihtrae fo tpecxe that eht reppu timil fo 64 smm does ton
latem sgnirevoc fo selbac and gnihtrae fo ylppa ( see elbaT ,1 meti 3.3 ).
lacinahcem noitcetorp fo ,selbac ees 37.
7.2 ehT metsys gnihtrae fo dehtrae noitubirtsid
smetsys shall eb detceffe yb snaem tnednepedni
6 GNIHTRAE SNOITCENNOC
fo yna gnihtrae stnemegnarra fo -tnerruc-non
6.1 yrevE gnihtrae noitcennoc shall eb fo reppoc gniyrrac parts.
ro rehto tnatsiser-noisorroc lairetam and shall
eb yleruces dellatsni and detcetorp erehw 8 NOITCENNO~C OT EHT S’PIHS
yrassecen against egamad and ,osla erehw ERUTCURTS
,yrassecen against cinavlag .noisorroc
8.1 yrevE noitcennoc fo an ytiunitnoc-htrae
6.2 ehT lanimon lanoitces-ssorc aera fo yreve rotcudnoc ro gnihtrae dael ot eht ship’s erutcurts
reppoc gnihtrae noitcennoc lla& eb ton less than shall eb edam ni an elbissecca ,noitisop and
is deriuqer ni elbaT 1. yrevE rehto gnihtrae shall eb deruces yb a wercs fo brass ro rehto
noitcennoc shall evah a ecnatcudnoc ton less tnatsiser-noisorroc lairetam fo retemaid ton less
ihan that deificeps rof a reppoc gnihtrae than 6 mm hcihw shall eb desu rof this esoprup
.snoitcennoc .ylno nI all secnatsmucric erac shall eb nekat
elbaT 1 seziS fo ytiunitnoC-htraE srotcudnoC and gnihtraE snoitcennoC
( 6.2, 6.3, 7.1 37.2 )
Clauses and
epyT of Earthing Connection Cr detaicoossA ss-Sectional -tnerruC Area of Minimum Cr gnihtraEoss-Section noitcennoC al Area of reppoC
gniyrraC rotcudnoC

)1( (2) (3)
j) ytiunitnoc-htraE rotcudnoc ni ynA emaS as gniyrrac-tnerruc rotcudnoc up ot and
elbixelf elbac ro elbixelf droc gnidulcni 16 *mm ro flah-eno evoba 16 2mm
tub at tsael 16 %mm
)ii ytiunitnoc-htraE rotcudnoc -ni ynA roF selbac gnivah no detalusni tnac-htrae ytiuni
corporated ni dexif elbac :rotcudnoc
A noitces-ssorc lauqe ot the niam srotcudnoc
pu ot dna gnidulcni 16 *mm tub muminim
1.5 *mm
A noitces-ssorc ton ssel naht 50 tnecrep of the
noitces-ssorc of the niam rotcudnoc nehw
the rettal si erom naht 16 ,*mm tub at tsael
16 *mm
roF selbac htiw a erab earth eriw ni tcerid
tcatnoc htiw the dael :htaehs
noitces-ssorC of niam gnihtraE rotcudnoc
rotcudnoc
1 ot 2.5 ’mm 1 pmm
amm60t4 1.5 smm
)iii Separate dexif a gnihtrae a) Not gnideecxe 3 ’mm emaS as gniyrrac-tnerruc rotcudnoc tcejbus ot
rotcudnoc muminim of 5-l ’mm for dednarts gnihtrae
,noitcennoc or 3 *mm for dcdnartsnu gnihtrae
noitcennoc
)b gnideecxE 3 *mm ton flah-enO the lanoitces-ssorc area of the -tnerruc
exceeding 125 ’mm gniyrrac ,rotcudnoc tcejbus ot a muminim
of 3 *mm
c) gnideecxE 125 ’mm 64 *mm

2
IS 10242 (Part 4 ) : 1992
ot erusne thgirb cillatem secafrus at eht tcatnoc 12 PASSAGE-WAYS NI TNORF FO
saera yletaidemmi erofeb eht wercs is .denethgit RAEG-HCTIWS AND RAEG-LORTNOC
SEILBMESSA
9 ALUMINIUM SUPERSTRUCTURES 12.1 An detcurtsbonu yaw-egassap ton less
than 1 m ediw gnidnetxe morf eht tsehtruf -orp
9.1 sdohteM fo gniruces muinimula -curtsrepus noitcej shall :b dedivorp ni tnorf fo yna
serut ot e.ht leets lluh fo a ship netfo :dulcni ylbmessa ro erehw ton elbacitcarp eud ecnaraelc
noitalusni ot tneverp cinavlag noisorroc neewteb must eb nevig rof withdrawal epyt tnempiuqe
eseht .slairetam nI hcus ,esac a etarapes -dnob and ri:ht .ytilibaniatniam
gni noitcennoc dluohs eb dedivorp neewteb
erutcurtsrepus and lluh hcihw dluohs eb edam NOTE - ehT detcurtsbonu vlw-egaxap yam eb
decuder tcejbus ot tnzmzerga yb zht etairporppa
ni hcus a rennam that cinavlag noisorroc is
.ytirohtua
dediova and eht stniop fo noitcennoc ylm eb
ylidaer .detcepsni 13 ECAPS TA EHT REAR AND -EGASSAP
WAY
NOTE - naidnI dradnatS no citengamortcelE
13.1 nehW a ecnps is dedivorp at eht raer fo
ytilibitapmoC fo lacirtcelE dna cinortcelE -allatsnl
snoit ni spihS ( under preparatiori ). raeghctiws and racglortnoc ,seilbmessa ti shall
ba elpma ot timrep ecnanetniam and ni lareneg
shall eb ton less than 6’0 m tpecxe that eht
30 SINGLE ERIW SMETSYS HTIW LLUH
htdiw yam eb decuder ot 5’0 ,m erehw ereht era
NRUTER
sreneffits and .semarf roF lanimon segatlov
10.1 erehW lluh nruter smetsys era ,dettimrep gnideecxe 500 V, ti is dednemmocer ot esaercni
all lanif stiucric-bus shall tsisnoc fo owt insulat- this .ecaps
de ,seriw eht lluh nruter gnieb deveihca yb
gnitcennoc oX eht lluh eno fo eht busbars fo eht syaw-egassaP dniheb main and ycnegreme
noitubirtsid draob morf hcihw yeht .etanigiro sdraobhctiws shall eb fo elama thgieh and ylm
eb dedivorp at hcae dne htiw an ssecca rood
htraE seriw shall eb ni elbissecca snoitacol ot dettif htiw an lnnretxe kcol hcihw nac at all
timrep rieht ydaer noitanimaxe and ot elbane semit eb denepo morf eht .roiretni ehT ssecca
rieht noitcennocsid rof eht gnitset fo .noitalusni srood shall yrrac a tnenamrep and tnenimorp
noitacidni fo eht mumixam .egatlov
nI cd lluh nruter ,smetsys all selbac edisni eht
citengam ssapmoc enoz shall eb degnarra ni a 14 NOITISOP EVITALER OT SEPIP AND
ralopub ,rennam that is, eht gniogtuo and eht SKNAT
gninruter eriw shall eb degnarra ni eno elbac
ro eb yltcerid edis yb .edis 14.1 nI noitidda ot gniylpmoc htiw eht
etairporppa stnemeriuqer fo SI 10242 ( traP /l
gnidnepeD no eht tnerruc fo eht evitcepser teS 1 ) : 1982 all raeghctiws and raeglortnoc
,tiucric this shall ylppa ot eht gniwollof lacirehps seilbmessa shall eb os dellatsni that on sepip ro
iidar dnuora eht citengam ,ssapmoc tpecxe erehw tanks era evoba meht nihtiw eht emas ecaps

a leets daehklub ro kced .secnevretni and at rieht .raer erdhW this is ,elbadiovanu

sepip shall eb suounitnoc and tuohtiw yna
Current Spherical Radius degnalf and detlob snoitcennoc ni hcus .snoitacol
nI sesac rehto than main hctiws sdraob nehw ti
(A) (m)
is yletulosba elbaeganamnu ot edivorp eht
up ot 10 5
suounitnoc sepip noisivorp fo pird yart srevoc
revO 10 Up ot 50 7
evoba lacirtcele sretrats lortnoc ,slenap ,.cte
revO 50 9 shall eb detroser ot diova egamad morf
egakael tcejbus ot tnemeerga neewteb eht
roF oidar hpargelet snoitallatsni ro rehto
resahcrup and eht .reilppus As raf as elbissop
laitnesse, oidar apparatus gnidulcni -noitcerid
sepip gniyrrac toh gas ro diuqil shall ton pass
,srednif eht s’rerutcafunam data era .dilav
tnecajda ot hctiws lenap/sdraob lortnoc/sdraob
raeg .ylbmessa nI esac ti is elbativeni epip
NOITCES 3
SWITCHGEAR AND gniyrrac toh gas ro diuqil passing tnecajda ot
CONTROLGEAR ASSEMBLIES lenap/sdraobhctiws lortnoc/sdraob raeg ylbmessa
shall eb ylreporp detalusni os that on taeh is
11 INSULATING MATS derrefsnart ot eseht lacirtcele .tnempiuqe
11.1 nehW eht egatlov sdeecxe eht ytefas egatlov
deificeps ni 2.18 fo S1 10242 ( traP teS/l 1 ) : 15 POSITION OF SECTION AND
1982 an detalusni mat, gnitarg ro kced fo -mi NOITUBIRTSID SDRAOB
detangerp doow shall eb dedivorp ni tnorf kced
detnuom fo raeghctiws and raeglortnoc -bmessa 15.1 nI noitadommocca secaps erehw =nepo
seil and osla at eht raer fi ssecca morf eht raer epyt seilbmessa era dednuorrus yb elbitsubmoc
is .deriuqer ehT detalusni mats, gnitarg ro ,lairetam a erif reirrab fo elbitsubmocni lairetam
kced shall eb tnatsiser-lio and .pils-non shall eb .dedivorp

3
j8 10242( Part 4 ) : 1992
SECTJON 4 TRANSFORMERS taeh ,ygrene hcus as srotsiser banks maets sepip
and enigne tsuahxe .sepip
M INSTALLATION AND LOCATION
17.3 rotcudnocimeS rotrevnoc stacks ro
16.1 sremrofsnarT shall eb dellatsni ni -llew rotcudnocimes stnenopmoc shall eb detnuom ni
detalitnev ,stnemtrapmoc elbissecca ylno ot hcus a rennam that yeht yam eb devomer morf
dezirohtua lennosrep tpecxe that delooc-ria tnempiuqe tuohtiw dismantling eht etelpmoc
sremrofsnart dedivorp htiw snaem fo noitcetorp .tinu
against latnedicca tcatnoc htiw evil parts deen
ton eb dellatsni ni laiceps .stnemtrapmoc 17.4 roF epyt-desremmi-diuqil ,srotrevnoc eht
emas noitallatsni snoituacerp as deificeps ni 16
16.2 desremmi-diuqiL sremrofsnart shall eb
rof delooc-diuqil sremrofsnart .ylppa
desuoh ni a eillatem tnemtrapmoc gnivah
etauqeda snaem rof eht eganiard fo diuqil
.egakael SECTION 6 ACCUMULATOR
( STORAGE ) BATTERIES
nehW elbammalf diuqil hcus as lio is ,desu eht
ecaps erehw eht remrofsnart is detacol shall eb
18 LOCATION
detcetorp yb an citamotua gnihsiugnitxe-erif
.metsys 18.1 seirettaB shall eb detacol erehw yeht era
ton desopxe ot evissecxe ,taeh ro emertxe ,dloc
16.3 elbatiuS stnemegnarra shall eb dedivorp rof
,yarps maets ro rehto snoitidnoc hcihw dluow
gnilooc and gniniatnoc all eht diuqil hcihw thgim
riapmi ecnamrofrep ro etarelecca .snoitaroireted
epacse morf eht degamad tank. noitanimatnoC
seirettaB rof ycnegreme ,ecivres gnidulcni -reme
fo seglib is ot eb dedulcerp yb eht noisivorp fo
ycneg enigne-leseid starting, shall eb detacol
elbatius syart-pird ro .slla-evas
erehw yeht era detcetorp as raf as elbacitcarp
16.4 sremrofsnarT and rieht noitcennoc shall morf egamad desuac yb ,noisilloc erif ro rehto
eb detcetorp against hcus as lacinahcem ,egamad ytlausac ( ni ecnadrocca htiw eht lanoitanretnI
noitasnednoc and noisorroc yam ylbanosaer noitnevnoC rof ytefaS fo efiL at aeS .)
as
eb .detcepxe
seirettaB shall eb detacol ni hcus a yaw that on
5.61- Main remrofsnart shall eb detacol ni hcus mrah yam eb enod ot gnidnuorrus secnailppa yb
a yaw that etauqeda ecaps shall eb elbaliava eht sruopav .detareneg
( neewteb klub daeh and sremrofsnart and
neewteb sremrofsnart sevlesmeht ) rof gnidnetta 18.2 seirettaB detcennoc ot a gnigrahc ecived
ot noitcennoc ot lanimret sexob and enituor shall eb dellatsni tnedneped no eht tuptuo rewop
diaper/ecnanetniam .sboj fo eht ecived ( detaluclac morf eht mumixam
elbaniatbo gnigrahc tnerruc and eht lanimon
16.6 revenehW a eraps remrofsnart is dellatsni egatlov fo eht yrettab ) as :swollof
rof main ,remrofsnart eht tnemegnarra shall eb
ni hcus a yaw that eht eraps remrofsnart shall )a rewoP erom than 2 kW, ni a moor

eb ydaer rof esu and gnitcennoc up ni esac fo assigned ot seirettab ylno ro fi a moor is
eruliaf fo eno fo eht gnikrow units. yrasseceN ton ,elbaliava ni a elbatius detalitnev-llew
smargaid/snoitcurtsni shall eb deyalpsid ni eht rekcol no ;kced
tnemtrapmoc ot this .tceffe
b) rewoP neewteb 2’0 kW and 2 kW, as ,evoba
yam eb dellatsni ni a xob ro rekcol ni
SECTION 5 SEMICONDUCTOR
emos elbatius ,ecaps ro fi detcetorp morf
CQNVERTORS
gnillaf ,stcejbo ni eht yrenihcam ecaps ro
ni a ralimis detalitnev-llew ;tnemtrapmoc
17 INSTALLATION AND LOCATION
and
17.1 rotcudnocimeS rotrevnoc stacks ro
tnempiuqe shall eb dellatsni ni hcus a rennam )c rewoP less than 2’0 kW as ,evoba tub
that eht noitalucric fo ria ot and morf eht yam osla eb dellatsni ,nepo fi detcetorp
stacks, detaicossa tnempiuqe ro serusolcne ( fi morf gnillaf ,stcejbo ro ni a yrettab xob
yna ) is ton dedepmi and that eht erutarepmet ni yna elbatius ecaps ( ees osla 23 .)
fo eht telni~gnilooc ria ot rotrevnoc stacks seod
ton deecxe eht tneibma erutarepmet rof hcihw 18.3 retratS seirettab shall eb detacol as esolc
eht stacks era .deificeps as elbacitcarp ot eht enigne ,devres ot timil
egatlov pord ni selbac at eht hgih tnerruc
ylarutaN delooc-ria stenibac shall eb dengised .deriuqer
htiw tneiciffus gnitalitnev ,sgninepo ro htiw
tneiciffus gnitaidar ecafrus ni eht esac fo ylatot 18.4 seirettaB sselnu( fo eht yllacitemreh delaes
desolcne rotrevnoc tnempiuqe ot etarepo nihtiw epyt ) shall ton eb decalp ni gnipeels .sretrauq
elbawolla erutarepmet .stimil
18.5 dica-daeL seirettab and enilakla seirettab
17.2 rotrevnoC stacks and detaicossa tnempiuqe shall ton eb decalp ni eht emas yrettab
shall ton eb detnuom raen secruos fo tnaidar .tnemtrapmoc

4
IS 10242 ( Part 4 1 : 1992
18.6 A regnad eciton shall eb yltnenamrep gninil fo etylortcele tnatsiser .lairetam ehT
deruces ot srood ro srevoc fo yrettab -trapmoc gninil shall eb thgitretaw and deirrac up ot at
,stnem srekcol and ,sexob gnitacidni that a dekan tsael 75 mm no all sides. gniniL shall evah a
thgil ro gnikoms ni eseht smoor ro ni rieht muminim ssenkciht fo S’1 mm fi fo dael ,teehs
ytiniciv is .detibihorp and fo 8’0 mm fi fo .leets
roiretxE secafrus fo latem sevlehs dluohs evah
19 ACCESS at tsael an tnatsiser-etylortcele .gnitaoc
19.1 seirettaB shall eb degnarra ot timrep ydaer 21.3 kceD sexob and yrettab sexob shall eb
ssecca rof ,gnicalper ,gnitcepsni ,gnitset edam fo evisorroc-non slairetam ll?hs :b denil
gnihsinelper and .gninaelc ni ecnadrocca htiw eht evoba evitanretla
.sdoht:m sexoB rof small seirettab shall eb
20 ELECTRICAL INSTAL-LATION IN denil ot a htped fo 75 mm tnatsisnoc htiw eht
BATTERY COMPARTMENTS sdohtem debircsed .evoba
10.1 Cables htiw eht noitpecxe fo esoht 21.4 slairetaM desu rof gnitaoc and gninil shall
gniniatreppa ot eht yrettzb ro eht yrettab ton eb ylekil ot time sruopav latnemirted ot eht
tnemtrapmoc ,gnithgil dluohs as raf as ,elbissop .seirettab
ton eb dellatsni ni eht .stnemtrapmoc~yrettab
fI ,revewoh hcus an noitallatsni is yrassecen eht 22 FIXING AND SUPPORTS
selbac shall evah a evitcetorp gnirevoc tnatsiser
ot eht sruopav depoleved yb eht etylortcele ro 22.1 seirettaB shall eb yleruces ,dekcehc htiw
shall eb esiwrehto detcetorp against eseht doow skcolb ro eht ,tnelaviuqe ot tneverp
.sruopav .tnemevom ehT syart ebllahs degnarra ot evig
ssecca fo ria ot meht morf all sides. ehT
20.2 gnithgiL tnempiuqe dluohs eb ni ecnadrocca
gnitalosi stroppus shall :b tnebrosba-non ot eht
htiw elbaT 5 fo SI 10242 ( traP teS/2 1 ) : 1982. .etylortcele
20.3 Electrical Eqnipment in Battery Spaces 23 NOITALITNEV
,sehctiwS sesuf and rehto lacirtcele tnempiuqe 23.1 llA ,smoor srekcol and s:xob rof egarots
elbail ot esuac an cra dluohs ton yllamron eb seirettab shall eb degnarra ro/dna detalitnev ot
dellatsni ni yrettab .stnemtrapmoc erehW hcus diova noitalumucca fo elbxmalf gas. ralucitraP
tnempiuqe is yrassecen rof lanoitarepo ,snosaer noitnetta shall cb nevig ot eht tcaf that eht gas
eht tnempiuqe dluohs eb deifitrec rof puorg II C dettime is rethgil than ria and lliw dnet ot
gases and erutarepmet class lT ni ecnadrocca etalumucca ni yna stekcop at eht pot fo eht
htiw SI 2148 : 198~1 and SI 5571 : 1979 .ecaps nehW seirettab era degnarra ni owt ro
.ylevitcepser erom ,sreit all sevlehs shall evah ton less than
50 mm ,ecaps tnorf and ,kcab rof noitalucric
20.4 tI is dednemmocer that an gnitalosi htrae( ) fo .ria
hctiws yam eb dellatsni no eht noitcennoc gnidael
ot htrae lanimret rof eht noitcetorp fo eht 23.2 Natural noitalitnev yam eb deyolpme fi
yrettab ni eht tneve fo .gnitiucric-trohs stcud nac eb- nur yltcerid morf eht pot fo eht
moor ro rekcol ot eht nepo ria ,evoba htiw on

trap fo eht tcud erom than 45” morf eht .lacitrev
21 PROTECTION AGAINST CORROSION
esehT stcud shall ton niatnoc secnailppa ( rof
21.1 ehT roiretni fo yrettab stnemtrapmoc elpmaxe rof gnirrab semalf ) hcihw yam edepmi
gnidulcni ,setarc ,syart ,sexob sevlehs and rehto eht eerf passage fo ria ro gas .serutx:m
larutcurts parts niereht shall eb detcetorp against
erehW srekcol era dedivorp rof ,seirettab eht
eht gnitaroireted tceffe fo eht etylortcele :yb
tcud shall etanimret ton less than 9’0 m evoba
)a tnatsiser-etylortcele ,gnitaoc ro eht pot fo eht yrettab .erusolcne
)b gninil fo tnatsiser-etylortcele ,lairetam rof fI larutan noitalitnev is elbacitcarpmi ro
,elpmaxe dael teehs rof ,dica-dael leets ,tneiciffusni lacinahcem tsuahxe noitalitnev shall
rof enilakla .seirettab eb dedivorp htiw tsuahxe at eht pot fo eht
.moor etauqedA ,sgninepo rehtehw detcennoc
,ylevitanretlA eht roolf fo yrettab stnemtrapmoc
ot stcud ro ton rof ria stelni shall eb dedivorp
yam eb denil htiw tnatsiser-etylortcele lairetam
raen eht roolf fo yrettab smoor ro eht mottob
spanning eht eritne .roolf ehT gninil shall eb
fo srekcol ro .sexob
thgitretaw and deirrac up ot at tsael 150 mm no
all sides. Walls and sdaeh-kced fo yrettab 23.3 nI yreve esac eht ytitnauq fo eht ria
stnemtrapmoc shall eb detcetorp htiw -etylortcele dellepxe shall eb at tsael lauqe :ot
tnatsiser .gnitaoc Q= n.I.Oll
21.2 roiretnI ecafrus fo latem sevlehs rof dael erehw
,sllec rehtehw ro ton depuorg ni setarc ro ,syart Q = ytit;uyz fo dellepxe ria ni repmsertil
ro rof enilakla ,seirettab shall eb detcetorp yb a ,
5