instruction of electrical equipment

7/24/2019 INSTRUCTION of electrical equipment

1/16

ELECTRICAL AUDIT REPORT

AS PER OISD 145-09 DOCUMENT NO.

IOCL OIL TERMINAL: SIDHPUR SHEET 1 OF 16

ITEM Y/N REMARKS

1. SPECIAL REQUIREMENTS:

Whether main in!"e "ine #ia!ram $% E"e&tri&a" '$(er

Ditri)*ti$n +*,#ate#- an# A)*i"t

N$. The "ine #ia!ram ha"" )e*,#ate#.

Whether the Inta""ati$n are #*"0 a,,r$e# )0

the Chie% E"e&tri&a" In,e&t$rate $% 2$t. %$rener!iati$n 3D2MS $% Oi" Fie"# Inta""ati$n4

Ye.

I there an0 *na*th$rie# inta""ati$n in $,erati$nin&"*#in! tem,$rar0 &$ntr*&ti$n ,$(er inta""ati$n N$.

Whether the #e%e&t ,$inte# $*t #*rin! the E"e&tri&a"

In,e&t$r5 in,e&ti$n 3*n#er I.E R*"e N$. 64 hae)een atten#e# t$7 an# the #e%e&t &$m,"ian&e re,$rt%$r(ar#e# t$ the In,e&t$rate

Ye

Whether e"e&tri&a" inta""ati$n/re,air t$ e8itin!

inta""ati$n are )ein! &arrie# $*t thr$*!h "i&ene#e"e&tri&a" &$ntra&t$r *n#er the *,erii$n $%

9i&ene# E"e&tri&a" S*,eri$r 3a,,r$e# )0State 2$t.4 A ,er I.E. R*"e N$.

Ye

Are Man*%a&t*rer5 Tet &erti%i&ate %$r h$,

%a)ri&ate# item e,e&ia""0 %$r Hi!h $"ta!e an#&riti&a" e;*i,ment $)taine#

Ye.

Whether %"ame,r$$% e;*i,ment ha CMRS Tet

&erti%i&ate

Ye.

Are the e"e&tri&a" e;*i,ment inta""e# &$n%$rmin! t$

the Area C"ai%i&ati$n 3IS:


2/16



IOCL OIL TERMINAL: SIDHPUR SHEET = OF 16

ITEM Y/N REMARKS

Whether there ha )een reii$n in the ha>ar#$* area

&"ai%i&ati$n %r$m the $ri!ina" 3#*e t$ m$#i%i&ati$n /e8,ani$n et&.4 an# e"e&tri&a" e;*i,ment (aa&&$r#in!"0 re,"a&e# t$ &$n%$rm t$ reie#&"ai%i&ati$n

N$

Whether the *!!ete# reme#ia" mea*re !ien in the

A&&i#ent Ineti!ati$n Re,$rt.7 i% an07 hae )eenim,"emente# 3Reie( the A&&i#ent re&$r# in "at 0ear4

N.A. N$ a&&i#ent re,$rte#.

Whether the "it $% e"e&tri&a" +a*th$rie# ,er$n +i

)ein! maintaine# 3I. E. R*"e n$ ?4

Ye.

Whether the e"e&tri&a" 0tem are $,erate# $n"0 )0

&$m,etent +a*th$rie#- e"e&tri&a" ta%%

Ye.

Whether in,e&ti$n $% e"e&tri&a" e;*i,ment i

&arrie# $*t7 a ,er a,,r$e# &he#*"e 3Reie( thein,e&ti$n re&$r#4

Ye.

Whether a,,r$e# W$r@ 'ermit S0tem i )ein!%$""$(e#

Ye.

Whether the ;*a"it0 $% main in&$min! ,$(er

*,,"0 meet the re;*irement 3i.e. S*&h aariati$n in %re;*en&0 an# $"ta!e (ithina""$(a)"e %"*&t*ati$n "imit4

Ye.

Whether ($r@manhi, an# materia" *e# are $%

tan#ar# ;*a"it07 in !enera"

Ye.

Whether ,are item are ,r$&*re# a&&$r#in! t$

the $ri!ina" ,e&i%i&ati$n

Ye.

I the &$mm*ni&ati$n 0tem !iin! tr$*)"e %ree

eri&e

Ye.

What i the re,"a&ement &he#*"e %$r e;*i,ment N$ ma$r re,"a&ement#$ne 7 a&&e,t inta""ati$n$% Ne( D2 $% 6= KBA C$m,re$r 3BCR4

ITEM Y/N REMARKS


3/16



IOCL OIL TERMINAL: SIDHPUR SHEET ? OF 16

Are the e"e&tri&a" en!ineer a(are $% the im,$rtan&e $%

%"ame,r$$%7 n$n,ar@in!7 intrini&a""0 a%e an#ha>ar#$* area &"ai%i&ati$n &$n&e,t 3Reie(Trainin! 'r$!ramme %$r E"e&tri&a" Sta%%4

Ye.

Are the inta""ati$n !enera""0 r*t / &$rr$i$n

,r$te&te# e%%e&tie"0 3S*&h a )0 *in! &a#mi*m,"ate# $"t/n*t7 ,aintin! at re!*"ar intera" et&.4

N$. S$me $% the )$"t $% the'MCC in &a)"e a""e0

)$"t *e# %$r $inin! theearth tri, %$*n# r*te#.

Whether the (it&h!ear / ,$(er ,"ant r$$m /

&$ntr$" r$$m / MCC r$$m et& are *e# a t$ra!e

area %$r &ra,7 $i" #r*m7 &"$th7 ,are an# *&h$ther %$rei!n materia"

N$. The *)tati$n (a %$*n#&"ean.

Che&@ the h$*e @ee,in! $% ari$* e"e&tri&a"

inta""ati$n an# &$mment a BERY 2OOD/SATISFACTORY/ UNSATISFACTORY

SATISFACTORY.

Are the %"ame,r$$% %eat*re maintaine# inta&t %$r

%"ame,r$$% e;*i,ment 3An0 #ama!e $r miin!)$"t/n*t in the *n&ti$n )$8e/,ane" &$er/termina")$8e et&. &$nert the e;*i,ment t$

n$n%"ame,r$$%4

N$.

Whether %"ame,r$$% te"e,h$ne are *e# in the

&"ai%ie# ha>ar#$* area

Wa"@ie Ta"@ie i *e# %$r &$mm*ni&ati$n in

ha>ar#$* area

I there &he#*"e# rem$a" $% !ra an# e!etati$n

%r$m time t$ time7 %r$m the Tran%$rmer (it&h0ar#

Ye.

What i the *,erii$n ,r$i#e# in the &$ntra&t $)

an# in &$ntr*&ti$n $% ne( ,r$e&t 3Interie( the&$ntra&t$r5 *,eri$r t$ ae &$m,eten&e4

En!ineer $% the ,"ant

*,erie the $).

ITEM Y/N REMARKS

Whether a"" the e"e&tri&a" e;*i,ment 3(it&h)$ar#7 Un*e# &a)"e entr0 een $n


4/16



IOCL OIL TERMINAL: SIDHPUR SHEET OF 16

Rea&t$r7 M$t$r7 Tran%$rmer an# *#*&t et&4an# *n&ti$n / termina" )$8e et&. are !*ar#e#a!aint entr0 $% rat /"i>ar# an# *&h re,ti"e i.e

(hether thee are ma#e ermin,r$$%4

the !"an# ,"ate $% the ,ane"nee# t$ )e &"$e#.

Whether the e"e&tri&a" &ir&*it $% %ire a"arm 0tem

in&"*#in! the %*n&ti$nin! $% emer!en&0 ,$(er )a&@*, (ith )atter0/&har!er et&. are ,eri$#i&a""0 tete#an# in&"*#e# in the 'reentie Maintenan&eIn,e&ti$n S&he#*"e

Ye.

Whether %ire e8tin!*iher ,r$i#e# are *ita)"e %$r

e"e&tri& %ire Are thee tete# re!*"ar"0

Ye.

Whether r$*n# )$tt$m %ire )*&@et %i""e# (ith &"ean

#r0 an# are ,r$i#e#

Ye.

I a #ire&t %ee#er 3(ith$*t an0 ta,,in!4 "ai# %r$m

*)tati$n t$ &ater t$ "$a# $% %ire (ater ,*m,

Ye.

ITEM Y/N REMARKS

2. SUBSTATION (EQUIPMENT & BUILDING)

I the *)tati$n e;*i,ment %ree"0 a&&ei)"e %$r

O,erati$n7 In,e&ti$n an# Maintenan&e

Ye


5/16




Are the minim*m &"earan&e a""r$*n# the e;*i,ment

maintaine# a ,er IE R*"e 1

Ye

I a"" the *)tati$n e;*i,ment ,r$i#e# (ith #$*)"e

earthin! &$nne&ti$n

Ye.

Are the "ie ,art $% e;*i,ment ma#e

ina&&ei)"e %r$m ina#ertent &$nta&t 30)arrier / hr$*#4

Ye.

Whether a"" (it&h %*e han#"e are (ithin an $,eratin!

hei!ht $% 1.= meter %r$m !r$*n# "ee"

Ye.

I the "it $% e"e&tri&a" +a*th$rie# ,er$n-

%$r *)tati$n $,erati$n )ein! e8hi)ite#

Ye.

Whether the r*))er mat are ,r$i#e# in %r$nt $%

the (it&h)$ar#

Ye

Whether the r*))er mat are em)$e# (ith the

tet ea" h$(in! the $"ta!e at (hi&h it i tete#

Ye. E8&e,t %$r HT 'ane"

Whether the (it&h)$ar# are #*t/ermin ,r$$% I

,et &$ntr$" treatment !ien %$r *)tati$n Are an0*n*e# &a)"e entrie "e%t $,en

N$.Ye.

Un*e# &a)"e entr0 een $n

the !"an# ,"ate $% the ,ane"nee# t$ )e &"$e#.

Hae the ,r$te&tie re"a0 )een et at the

re&$mmen#e# a"*e 3a ,er the #ei!n4

Ye.

ITEM Y/N REMARKS

Whether the (it&h)$ar# i $% in#*tria" t0,e Are the

"ie ,art ma#e ina&&ei)"e t$ a&&i#enta" &$nta&t

Ye.

Whether ea&h $*t!$in! #itin&t &ir&*it %r$m the(it&h)$ar# i e,arate"0 &$ntr$""e# )0 a *ita)"e rate#

Ye.


6/16


7/16



IOCL OIL TERMINAL: SIDHPUR SHEET


8/16




)$ar#4

Whether a Firt Ai# $8 &$ntainin! $intment an#

me#i&ine %$r treatment $% e"e&tri&a" )*rn ,r$i#e#in the *)tati$n at rea#i"0 a&&ei)"e "$&ati$n

Ye.

Whether the %ire,r$$% materia" are ma#e *e $% in the

&$ntr*&ti$n $% *)tati$n )*i"#in!

Ye.

Whether intr*&ti$n in En!"ih an# "$&a" "an!*a!e

$% the #itri&t i a%%i8e# in the (it&h!ear en&"$*rein a &$n,i&*$* ,"a&e7 %$r ret$rati$n $% ,er$n*%%erin! %r$m e"e&tri& h$&@

Ye.

Whether the name $% the nearet #$&t$r an# hi

te"e,h$ne n*m)er are entere# therein

Ye.

ITEM Y/N REMARKS

. OUTDOOR EQUIPMENT

Are the earth e"e&tr$#e ,r$i#e# in *%%i&ient

n*m)er H$( $%ten the earth reitan&e $%e"e&tr$#e an# !ri# are mea*re# an# re&$r#e#

Ye The reitan&e $% earthe"e&tr$#e an# !ri# i )ein!mea*re# eer0 6 m$nth.

Whether a e,arate earth e"e&tr$#e i ,r$i#e# %$r the

"i!htnin! arret$r

Ye

Whether the earthin! "ea# $% "i!htnin! arret$r i

i>e# t$ N$. 6 SW2 &$,,er 3$r it e;*ia"ent 2.I.

Ye


9/16




(ire4

Whether the earthin! "ea# $% "i!htnin! arret$r i#ire&t"0 ta@en7 (ith$*t ,ain! thr$*!h an0 tee" $rir$n ,i,e

Ye

Whether the %$""$(in! &$"$*r &$#e i a#$,te#

G "*e %$r "i!htnin! &$n#*&t$r

G 2reen %$r )$#0 earthin!. N$ 2reen &a)"e t$ )e *e#at $me ,"a&e

G "a&@ %$r ne*tra" earthin! Ye

Whether earthin! i aai"a)"e %$r a"" the *)tati$n

e;*i,ment

Ye.

I the 0ar# "i!htin! ,r$i#e# *%%i&ient Ye.

I the tran%$rmer )*hin! "$&ate# at %eet a)$e

!r$*n# "ee"

N.A. Tran%$rmer i in#$$rt0,e.

Whether there i "$&@in! arran!ement %$r the

Tran%$rmer )a0 t$ ,reent entr0 t$ the 0ar# )0*na*th$rie# ,er$n I% $7 i it )ein! %$""$(e#

Ye.

Whether the #$$r $% the !ate are r*te# an# nee# t$

)e ,ainte#

N$.

ITEM Y/N REMARKS

4. CABLE NET!OR"#TERMINATIONS &$OINTS

Hae the r$*te mar@er an# $int "$&ati$n in#i&at$r

)een ,r$i#e# in a ,ermanent (a0 thr$*!h$*t the'"ant an# $%%ite area

N$.

Whether the *n#er!r$*n# &a)"e in e8&aate#

tren&he "ai# at #ei!ne# #e,th (ith an# %i""in!7)ri&@ ,r$te&ti$n 3Che&@ at $n ran#$m tria" ,it)ai4 I */! &a)"e e8,$e# at an0 "$&ati$n

Ye

Are the H.T &a)"e an# 9.T &a)"e e!re!ate# Ye.


10/16




ini#e the tren&he

Are the &a)"e ,r$i#e# (ith i#enti%i&ati$n ta! at

intera" $% eer0 ? mt. 3On ran#$m Tria" 'it)ai4

N$. N$t ,$i)"e at thi ta!e.

Care ha"" )e ta@en t$,r$i#e the &a)"ei#enti%i&ati$n mar@ #*rin!ream,in! $% e"e&tri&a"0tem.

Whether a"" the &a)"e thr$*!h$*t their r$*te

,r$te&te# me&hani&a""0 %r$m an0 e8terna" #ama!e

Ye.

Are the %"ame,r$$% t0,e terminati$n %$r &a)"e

&arrie# $*t in the &"ai%ie# 3$ne 14 area

Ye.

Are the &a)"e $int ta!!ere# 3(hen = $r m$re &a)"e

"ai# in the ame tren&h4

Ye.

I there an0 &$n!eti$n 3i.e. %i"" area J &r$

e&ti$n4 $% &a)"e ini#e &a)"e tra0/tren&he

N$.

I an0 &a)"e !ettin! $erheate# 3Se"e&t %$r %ee#er

&a)"e at ran#$m7 a0 %$r &riti&a" e;*i,ment.

N$.

Are a"" the hi!h $"ta!e tet re,$rt %$r H/T &a)"e

$int aai"a)"e 3tete# *t a%ter $intin!4

N.A.

ITEM Y/N REMARKS

Whether the &a)"e ,a thr$*!h (ater"$!!e#

area / #raina!e $% $ther eri&e

N$.

I the &a)"e tren&he ma#e (ater/$i" ti!ht

thr$*!h$*t the r$*te "en!th

Ye

I the $i" ee,a!e %r$m ,r$&e *nit !ettin!

#raine# thr$*!h $r &$""e&te# in the &a)"etren&h/manh$"e

N.A.

I the )en#in! $% &a)"e &arrie# $*t (ith *%%i&ient

)en#in! ra#i*

Ye

Whether the arm$*r $% &a)"e i e8,$e# at the N$.


11/16




terminati$n

Are the &a)"e #ire&t"0 ta@en t$ the termina"

(ith$*t *ita)"e &a)"e !"an#/&"am,/arm$*rearthin!

N$.

Are the &a)"e a)$e !r$*n# *,,$rte# (ith

,r$,er &"am,

Ye.

Whether #$*)"e &$m,rei$n t0,e7 %"ame,r$$%

&a)"e !"an# 3(ith CMRS &erti%i&ate n*m)erem)$e# $n it4 are *e# %$r terminati$n in F9'e;*i,ment

Ye.

Whether the &a)"e 3te"e,h$ne/,$(er/"i!htin!

&a)"e4 are ta@en thr$*!h $erhea# 0tem 3Ini#eRe%iner0/'r$&e Area4 I% $ (hat i thearran!ement

N$.

Whether $ne r*n $% earthin! tri, %i8e# thr$*!h

the entire "en!th $% &a)"e Tra0 3(hereer &a)"etra0 i *e#4

N.A.

What are the t0,e an# ma@e $% &a)"e *e# in the

inta""ati$n 3Che&@ the te&hni&a" ,e&i%i&ati$n*e# in ,r$&*rement4.

'BC /

9'E

ITEM Y/N REMARKS

What are the me&hani&a" ,r$te&ti$n an# (ater

ea"in! arran!ement ,r$i#e# t$ &a)"e e,e&ia""0 atthe %$""$(in! "$&ati$n :

R$a# &r$in! Ye

Rai"(a0 inta""ati$n Cath$#i&a""0 ,r$te&te# */! ,i,in! N.A. Water "$!!e# area N.A. Drainin! $ther */! %a&i"itie N.A. RCC tr*&t*re/)ri&@ (a"" Ye Where &a)"e rie a)$e !r$*n# N$.

What i the %ire ,r$te&ti$n arran!ement a#$,te#

%$r &a)"e "ai# a)$e !r$*n#

N.A.

Are the &a)"e ,r$te&te# %r$m a#ere

enir$nmenta" &$n#iti$n 3"i@e rain/e%%e&t i%&hemi&a"/ &$rr$ie a,$*r/ heat et&.4

N.A.


12/16



IOCL OIL TERMINAL: SIDHPUR SHEET 1= OF 16

Are %ire reitant 3,e&ia" t0,e4 &a)"e *e# in the

Inta""ati$n

N$.

Are the arm$*rin!7 &reenin! an# meta""i& &$erin!

e%%e&tie"0 )$n#e# an# &$nne&te# t$ earth

Ye.

Are the 2.I ,i,e 3&$n#*it4 *e# %$r &a)"e entrie

3"eee4 are ea"e# at )$th en#7 an# &$n#*itearthe#

Ye.

Whether an0 2.I ,i,e "eee 3*e# %$r &a)"e entr04

,ae %r$m a ha>ar#$* area t$ a a%e area e8itin!

I% $ (hat are the ,re&a*ti$n ta@en t$ a$i#an0 %"amma)"e !ae )ein! ta@en t$ the a%e areathr$*!h the ,i,e $r interenin! ,a&e )et(een the

,i,e an# (a"" et& 3E%%e&tiene $% ea"in! the,i,e t$ )e &he&@e#4.

N$.

Whether the &a)"e are i>e# ,r$,er"0 t$ a$i#

$er"$a#in!

Ye.

ITEM Y/N REMARKS

5. MOTORS#CONTROL STATIONS

Are the m$t$r inta""e# $% the t0,e

a,,r$,riate t$ the ha>ar#$* area &"ai%i&ati$nan# enir$nmenta" &$n#iti$n

Ye.

(SELECT FEW MOTORS IN OPERATION) ATRANDOM

Whether there i an0 i)rati$n N$. Whether there i an0 a)n$rma" n$ie N$. Whether there i an0 $erheatin! N$.

Whether there i ann*n&iati$n %a&i"it0 in &ae $%

%ai"*re $% air *,,"0 3(hereer air ,*r!in! i *e# %$r%"ame,r$$% ne4 I it in (ee@ &$n#iti$n an#m$nit$re# re!*"ar"0

N.A.

I the m$t$r a"$ (eather ,r$te&te# Ye.

I the a,,r$e# in,e&ti$n &he#*"e %$""$(e# Ye.


13/16



IOCL OIL TERMINAL: SIDHPUR SHEET 1? OF 16

Are the termina" in the termina" )$8 a#e;*ate"0

,a&e# %$r a&&e,tin! a"*mini*m "*! $% the &a)"e

&$nne&te#

Ye.

I there an0 *na*th$rie# m$#i%i&ati$n &arrie# $*t $n

%"ame,r$$% m$t$r/ &$ntr$" tati$n/ termina" )$8e3t$ a&&$mm$#ate 9'E &a)"e terminati$n et&.4

N$.

Whether the in*"ati$n reitan&e a"*e )et(een

,hae an# )et(een ,hae an# earth $% the m$t$rare (ithin a&&e,ta)"e "imit

Ye.

(SELECT A FEW CRITICAL MOTORS AT RANDOM)

Whether Emer!en&0 I$"atin! #ei&e %$r the m$t$r

i inta""e# near the m$t$r

Ye.

Are the ? ,hae m$t$r ,r$i#e# (ith #$*)"e

earthin! &$nne&ti$n

Ye.

ITEM Y/N REMARKS

Are a"" the M$t$r earthe# in#ii#*a""0 Ye.

Whether the #$*)"e earthin! ,r$i#e# i %r$m t($

e,arate #itin&t earth &$nne&ti$n $% the !ri#

Ye.

Are the m$t$r 3L


14/16




Whether a"" the %i8in! )$"t7 3e,e&ia""0 %$r termina"

)$8 $% %"ame,r$$% m$t$r4 are inta&t an# %ree %r$m&$rr$i$n

Ye

Whether ,aintin! $% m$t$r )$#0 &$ntr$" tati$n an#

*,,$rtin! tr*&t*re are in !$$# &$n#iti$n

Ye

Whether &$ntr$" tati$n (ith it *,,$rtin!

tr*&t*re near the m$t$r i earthe# ,r$,er"0

Ye

Whether the %$*n#ati$n )$"t $% m$t$r are "$$e N$

Whether there are m$t$r !*ar# ,r$i#e# t$

,reent ina#ertent &$nta&t $er the m$in! ha%t

Ye

ITEM Y/N REMARKS

Are the name,"ate $% M$t$r ($rn $*t Whether

the in&ri,ti$n are ii)"e

N%.

Are there an0 #ama!e /&ra&@in! in the &atin! $%

M$t$r

N$.

Whether the ea"in! )$8e are %i""e# (ith

&$m,$*n# 3i% #ei!n $ nee#4

Ye.

What i the &he#*"e $% Tetin! H.T M$t$r What are

the r$*tine &he&@ &arrie# $*t

N.A.

Whether re!*"ar tem,erat*re mea*rement $%

the *r%a&e $% %"ame,r$$% m$t$r are )ein!re&$r#e# ,eri$#i&a""0 t$ ,reent ,$i)"e a*t$i!niti$n $% *rr$*n#in! ha>ar#$* atm$,here

NA

LIGHTING INSTALLATIONS

Whether e,arate #itri)*ti$n %$r "i!htin! 0tem

a#$,te# %r$m main (it&h)$ar# thr$*!h *)#itri)*ti$n/%*e #itri)*ti$n an# "i!htin! ,ane"

%ina" &ir&*it )$ar#

N$.


15/16




Whether "i!htin! "$a# are )a"an&e# ,er ,hae Ye.

Whether "i!htin! ,$int ,er &ir&*it an# t$ta" (atta!e

&$nne&te# ,er &ir&*it are (ithin a,,r$e# "imit

Ye.

Whether the $"ta!e #r$, at the %arthet "i!ht

,$int i (ithin a""$(a)"e a"*e

Ye.

Whether the t0,e $% (irin! *e# i a,,r$,riate

t$ the "$&ati$n an# t0,e $% inta""ati$n

Ye.

ITEM Y/N REMARKS

Whether "i!htin! ,r$i#e# i *%%i&ient Ye.

I there a*t$ &han!e$er 0tem ,r$i#e# %$r

n$rma" t$ emer!en&0 0tem an# i% $7 it i%*n&ti$nin! ati%a&t$ri"0 3tet thi 4

N$.

I the "i!htin! %i8t*re *e# i a,,r$,riate t$ the area

&"ai%i&ati$n

Ye.

Are the "i!htin! %i8t*re/ ,ane"/ &a)"e !"an#

/*n&ti$n )$8 an# *&h $ther materia"

/e;*i,ment *e# in ha>ar#$* area ha the tet&erti%i&ate %r$m CMRS/a,,r$a" &erti%i&ate %r$mCCE/D2MS a re;*ire#

N.A.

I there an0 *na*th$rie# e8teni$n %$r "$$,in!

%r$m the %ina" #itri)*ti$n &ir&*it an# (hetherthere are &$nne&te# (ith a##iti$na" "$a# thanan&ti$ne#

N$.

I there e,arate meterin! %$r "i!htin! "$a# I the

meter &a"i)rate# re&ent"0 3 Che&@ the re&$r#4

N$.

Whether ? &$re &a)"e i *e# an# i% $7 i ? r# &$re

$% the &a)"e *e# a earthin! &$n#*&t$r

Ye.


16/16




instruction of electrical equipment

Documents