1.Whatswi
t
chi
ngoper
at
i
onscanacompet
entel
ect
r
i
cal
swi
t
chi
ngper
soncar
r
yout
?
(
CESPcancar
r
youtLVswi
t
chi
ngexcepti
ncomerandbuscoupl
er br
eaker
sofaLVswi
t
chboar
ds)
2.Whatt
y
peofel
ect
r
i
cal
saf
et
ydocumenti
saCESPaut
hor
i
sedt
oaccept
?
(CESPr
ecei
v
esandcompl
et
esel
ect
r
i
cal
i
sol
at
i
on/
dei
sol
at
i
oncer
t
i
f
i
cat
eEPTW andLOA)
3.Whatl
ev
el
sofel
ect
r
i
cal
per
sonnel
ar
eaut
hor
i
sedt
oi
ssueel
ect
r
i
cal
per
mi
tt
owor
k?
(AEP=EPTW andLOA SAEP=EPTW,
LOA&SFT)
4.Expl
ai
nt
hedi
f
f
er
encebet
weenaLi
mi
t
at
i
onofaccessandael
ect
r
i
cal
per
mi
tt
owor
k?
(EPTW al
l
hi
ghv
ol
t
agewor
kwher
el
owv
ol
t
agewor
kf
ul
l
l
ockabl
ei
sol
at
i
onnotpossi
bl
eCMELV
i
sr
equi
r
ed
ear
t
h
LOA:
i
ti
sf
orwor
ki
nt
hev
i
ci
ni
t
yofl
i
v
eappar
at
usLLW andLLwashi
ngnoSFT&CMEar
eappl
i
cabl
e)
5.Expl
ai
nt
hepr
ocedur
ef
orhandov
erofanel
ect
r
i
cal
per
mi
tt
owor
kt
oanot
herel
ect
r
i
cal
per
son.
(St
opt
hewor
k,
makesur
et
hatwor
ksi
t
ei
scl
eanandsaf
el
eav
et
hewor
ksi
t
ewi
t
ht
hewor
kpar
t
yi
nf
or
m
t
hecont
r
ol
per
son,
EPTW cancel
,
suspensi
ont
heper
mi
t.
Thenewper
mi
thol
dermustobt
ai
nt
hear
ea
aut
hor
i
t
yappr
ov
al
.
t
heout
goi
ngper
mi
thol
deri
snotl
eav
et
hewor
ksi
t
eunt
i
l
hehasf
ul
l
br
i
ef
edt
henew
hol
derandt
henewhol
derhassi
gnedt
oacceptt
heper
mi
ti
nhi
spr
esence)
6.Whati
st
hedi
f
f
er
encebet
weenaCMEandanAE?
(CMEi
sappl
i
edbyAEPbef
or
ei
ssui
ngandr
emov
esaf
t
ercancel
l
at
i
onofEPTW
AEappl
i
edbyCEPwhi
l
est
ar
t
i
ngt
hej
obandr
emov
eaf
t
ercompl
et
et
hewor
k.CMESi
satt
hepoi
ntof
i
sol
at
i
onandAEi
satpoi
ntofwor
k)
7.Wheni
sanEl
ect
r
i
cal
Per
mi
tt
owor
kr
equi
r
edf
orwor
konLowv
ol
t
ageequi
pment
?
(Wher
eei
t
herf
ul
l
l
ockabl
ei
sol
at
i
onnotpossi
bl
ei
sol
at
i
onHVt
r
ansf
or
merf
eedi
ngi
sol
at
eLVappar
at
us.
)
8.Whati
sahazar
dousar
eai
npr
oduct
i
onst
at
i
onandwhatt
y
peoft
ool
scanbeused?
(
Hazar
dousar
eazone:
0,
zone:
1,
zone:
2I
Ppr
ot
ect
edandexpl
osi
v
epr
oofel
ect
r
i
cal
t
ool
sshoul
dbeused
nonspar
kt
ool
sshoul
dbeused.
)
9.Whatel
ect
r
i
cal
documentshal
l
beusedf
or
?
Al
i
v
el
i
newashi
ng Bwor
koni
sol
at
edt
r
ansf
or
merCi
sol
at
i
ngashi
ppi
ngpumpf
ormechani
cal
j
ob
(a)LOAb)EPTW c)El
ect
r
i
cal
i
sol
at
i
on/
dei
sol
at
i
oncer
t
i
f
i
cat
eal
l
owi
ng,
r
est
or
at
i
onmot
i
v
epower)
10.Whati
st
hedi
f
f
er
encebet
weent
hesaf
et
ypadl
ockandst
andar
dpadl
ockandwher
et
heyar
eused?
(
Saf
et
ypadl
ockshal
l
beofanonst
andar
doruni
quet
y
peandbesuppl
i
edwi
t
honl
yonekeyf
oreachl
ock,
Att
hepoi
ntofi
sol
at
i
ononl
yonekeyshal
l
suppl
i
edf
oreach
St
andar
d:
El
ect
r
i
cal
padl
ock
Lev
el
2HMKN/
ED
Shal
l
bef
i
t
t
edaccessesdoororgat
esf
oral
l
i
ndoorandout
doorsubst
at
i
onandt
hosepowerst
at
i
on
swi
t
chr
oom,
hi
gherl
ev
el
1CCRK/
OHL.I
ti
susedt
osecur
et
hedoororgat
esofsubst
at
i
onandpower
st
at
i
on)
11.I
fy
ouwer
easkedt
ocar
r
youtani
nsul
at
i
ont
estonal
owv
ol
t
agecool
erf
anmot
or
:
a)Whatsaf
et
ydocument
swoul
dy
our
equi
r
e?b)Descr
i
bet
hei
sol
at
i
onpr
ocedur
ef
ort
hemot
or
.
(I
fy
ouwer
easkedt
ocar
r
youtani
sol
at
i
ont
estonal
owv
ol
t
agecool
erf
anmot
or
:
A)Whatsaf
et
ydocument
swoul
dy
our
equi
r
ed (
El
ect
r
i
cal
i
sol
at
i
on/dei
sol
at
i
oncer
t
i
f
i
cat
e)
B)Descr
i
bet
hei
sol
at
i
onpr
ocedur
ef
ort
hemot
orBasi
cr
ul
e
(
a)Swi
t
choutandmakedead (
b)i
sol
at
eandl
ockof
f(
c)Testt
oconf
i
r
mt
hatt
heci
r
cui
ti
sdead
(
d)Connecti
tt
oear
t
h(
e)makesur
enobodymakei
tl
i
v
eagai
nl
ockof
f(
f
)Gi
v
et
hemani
nst
r
uct
i
onon
whathehast
odowor
ksaf
el
y
)
12.Whatper
mi
t
sar
er
equi
r
edt
oconductmai
nt
enanceonar
ackedoutbr
eaker
?
(Cl
assBper
mi
tr
equi
r
ed)
13.Howmanyper
sonsandwhataut
hor
i
t
yl
ev
el
ar
er
equi
r
edt
owor
konaLVsy
st
em r
equi
r
i
ngan
el
ect
r
i
cal
per
mi
tt
owor
k.
(AEP+)
14.Whati
st
hepur
poseofanel
ect
r
i
cal
i
sol
at
i
on/
dei
sol
at
i
oncer
t
i
f
i
cat
e?
(
a)NonEl
ect
r
i
cal
j
ob(
b)NonEl
ect
r
i
cal
per
son(
c)donebyt
hi
r
dpar
t
y)
15.Whenwor
ki
scar
r
i
edoutonat
r
ansf
or
meri
nal
i
v
eswi
t
chy
ar
d,
whatpr
ecaut
i
onmustbet
aken
bef
or
ewor
kcanst
ar
t
?
(
A)Expl
ai
nt
hewor
kpar
t
ydangerandpr
ecaut
i
ont
obet
aken(
B)Remai
nal
way
satsi
t
edur
i
ngwor
k(
C)
Ensur
et
hewor
kpar
t
yi
sadher
i
ngt
ot
hepr
ecaut
i
oni
nt
heLOA(
d)i
dent
i
f
ybyt
heat
t
achi
ngofgr
eenf
l
ag
i
nsi
det
hebar
r
i
erorr
opesanddangernot
i
ceext
er
nal
t
oadj
oi
ni
ngl
i
v
eappar
at
us)
16.Whati
st
hef
unct
i
onofakeysaf
e?
(Keysaf
ei
sappr
ov
edsaf
edev
i
ceal
l
r
et
ur
nsecur
esaf
et
ypadl
ockkeydev
i
cei
scal
l
edf
orESR)
17.Expl
ai
nt
hepur
poseofsect
i
ons1,
2,
3and4oft
heat
t
achedper
mi
tt
owor
kandwhoi
s
r
esponsi
bl
ef
orcompl
et
i
onofeachsect
i
on
(
.
1,
2,
3And4r
esponsi
bl
eper
mi
tappl
i
cant
)
18.Whati
st
hef
unct
i
onoft
heESOP’
S?
(I
ti
sgui
del
i
nef
orESR.Thi
scov
ersaf
eoper
at
i
onwor
k,
PDOHV/
LVel
ect
r
i
cal
sy
st
em appr
ov
edmet
hod
dev
i
cecal
l
edESR)
19.Whati
saut
hor
i
zedper
sonnonPDOaut
hor
i
zedt
oper
f
or
m?
(I
so/Dei
socer
t
i
f
i
cat
e,
EPTW,
LOA)
20.Whati
st
hepur
poseofasanct
i
onf
ort
estcer
t
i
f
i
cat
eandwhocani
ssueandr
ecei
v
et
hem?
(ForHVequi
pmentt
est
i
ngSFTi
si
ssuedbySAEPandr
ecei
v
ebyAEP+cancel
l
at
i
on)
21.Whatv
ol
t
agel
ev
el
sar
edenot
edbypr
ef
i
xesA,
C,
B,
EandD?
(A=132KV-1.
4 C=33KV1.
1B=66KV E=11kV0.
8D=6.
6KV 275K2.
4MTR D=6.
6KV)
22.Whenr
epl
aci
ngaf
useonacapi
t
ol
3LVswi
t
chboar
dwhataddi
t
i
onal
pr
ocedur
esandpr
ecaut
i
onsar
e
speci
f
i
edi
nESOP23?
.
(
.
Swi
t
chi
ngoper
at
i
onCESPaccompani
edbyanot
herCEPuseappr
ov
edel
ect
r
i
cal
r
ubbergl
ov
esuseul
t
r
a
v
i
ol
etpr
ot
ect
i
onf
aceshi
el
d,
i
nf
r
axdpr
ot
ect
i
ongl
asses,
usesui
t
abl
ef
useext
r
act
orf
orswi
t
chi
ng
oper
at
i
on)
23.Expl
ai
nt
hepr
ocedur
ef
ort
r
eat
i
nganel
ect
r
i
cal
shock
(Ensur
ey
oursaf
et
y
,
swi
t
chof
f
,
pul
l
/
pusht
hev
i
ct
i
m,
checkai
r
waybr
eat
hi
ngandci
r
cul
at
i
on,
st
ar
t
r
esusci
t
at
i
onCPRcar
di
accompr
essi
on,
cont
i
nueunt
i
l
medi
cal
hel
par
r
i
v
es,
cal
l
emer
gency
/i
nf
or
m)
24.Whati
st
hedesi
gnpr
i
nci
pl
eoff
l
amepr
ooforexpl
osi
onpr
ot
ect
edequi
pment
?
(I
ti
sdesi
gnt
ohav
east
r
angeencl
osur
et
hatcanwi
t
hst
andi
nt
er
nal
expl
osi
onofgaswi
t
houtsuf
f
er
i
ng
damageandwi
l
l
nott
r
ansmi
tandi
nt
er
nal
heatt
ot
heext
er
nal
at
mospher
e)
25.I
faLVmot
orhast
obemegger
ed,
whatsaf
et
ydocumenti
sr
equi
r
ed?Whati
st
hepr
ocedur
ef
or
i
sol
at
i
on?
(
Noel
ect
r
i
cal
saf
et
ydocumentar
er
equi
r
ed,
LVf
anmot
orwher
ecompl
et
ei
soi
spossi
bl
ei
sol
at
i
on
pr
ocedur
e,
PTW i
sr
equi
r
edswi
t
chof
fpr
ov
edeadi
sol
at
esaf
et
ypadl
ocks,
keysaf
eauxi
l
i
ar
yci
r
cui
t
sand
f
i
xcaut
i
onnot
i
ce)
26.Howwoul
dy
oupr
ov
ewhatal
owv
ol
t
ageci
r
cui
ti
sdead?Expl
ai
nt
hepr
ocedur
e
(Byusi
ngappr
ov
edv
ol
t
aget
est
i
ngdev
i
ce,
f
i
r
stcheckt
heappr
ov
edv
ol
t
aget
est
erbef
or
ecar
r
y
i
ngoutt
he
t
estont
heci
r
cui
tcheckal
l
phaset
ophaseandal
l
neut
r
al
t
ophase.
t
hencheckt
heappr
ov
edt
est
eragai
n
t
omakesur
ei
ti
swor
ki
ng)
27.Whatt
estwoul
dy
oucar
r
youtbef
or
ecl
i
mbi
ngonov
erheat
i
ngwoodenpol
e?
(
Thepol
eshal
l
besounded;
t
heappr
ov
edsaf
et
yhar
nessshal
l
exami
net
oseet
hati
si
ngoodor
der
)
28.Whati
sanAEgi
v
esel
ect
r
i
cal
exampl
eofappl
i
cat
i
on
(AEaddi
t
i
onal
ear
t
hi
ti
susewhenwor
ki
ngonov
er
headl
i
neatt
hepoi
ntofwor
ki
ngont
heconduct
or
s)
29.Whenwor
ki
ngi
nl
i
v
ehi
ghv
ol
t
ageswi
t
chgear
,
howt
hei
sol
at
edsaf
ewor
ki
ngar
ewoul
di
si
dent
i
f
i
ed
(Thesaf
ear
eshal
l
i
dent
i
f
i
edbyt
heat
t
achi
ngofagr
eenf
l
agi
nsi
det
hebar
r
i
er
sorr
opesanddanger
not
i
ceext
er
nal
t
oadj
oi
ni
ngl
i
v
eappar
at
us)
30.Whatdi
st
anceandwhati
st
hemi
ni
mum di
st
anceat33kv
?
(
Saf
et
ydi
st
ancei
st
hedi
st
ancef
r
om t
henear
estl
i
v
ehi
ghv
ol
t
ageexposedconduct
ororf
r
om ani
nsul
at
or
suppor
t
i
ngaHi
ghv
ol
t
age,
11KV0.
8conduct
orwhi
chshal
l
bemai
nt
ai
nedt
oav
oi
ddanger33KV-i
s1.
1
Mt
r
sAppl
i
cat
i
onf
ai
l
ur
e0.
3Mt
r
st
ot
al
1.
1Mt
r
s)
31.Whatar
et
he5t
y
peel
ect
r
i
cal
saf
et
ydocument
s?
(EPTW,
LOA,
SFT,
I
SODEI
SOcer
t
i
f
i
cat
e,
I
SODEI
SOcer
t
i
f
i
cat
eal
l
owi
ngr
est
or
ct
i
onofmot
i
v
epower
32.Whatar
et
hepr
ecaut
i
onsy
out
akewhent
est
i
ngl
i
v
eLVci
r
cui
t
s?
(
Appr
ov
edi
nst
r
umentr
equi
r
edf
ort
est
i
ngpr
operi
nsul
at
i
onf
ort
her
at
edv
ol
t
age,
I
fi
ti
snecessar
yshal
l
wearappr
ov
edel
ect
r
i
cal
r
ubbergl
ov
es,
pr
ecaut
i
onsshal
l
bet
akent
opr
ev
entacci
dent
al
cont
actwi
t
hl
i
v
e
exposedconnect
i
ons.TheCEPi
nchar
geoft
het
est
i
ngoradj
ust
mentshal
l
beacompani
ed)
33.Forwhatt
y
peofwor
kdoy
ouneedanexcav
at
i
onper
mi
tandwhati
si
t
spur
pose?
(I
fexcav
at
i
oni
st
obedonei
nandar
ound50mt
r
sonl
yPDOf
aci
l
i
t
yt
oensur
et
hatal
l
under
gr
oundser
v
i
ce
andcabl
ear
ei
dent
i
f
i
edandsaf
emet
hodofexcav
at
i
onar
ef
ol
l
owed)
34.Aut
hor
i
t
yl
ev
el
(
El
ect
r
i
cal
per
son)f
ori
ssui
ngandr
ecei
v
i
ngasanct
i
onf
ort
est
(I
ssue:
SAEP*
Recei
v
e:
AEPwi
t
haddi
t
i
onal
aut
hor
i
t
y
)
35.
def
i
net
hef
ol
l
owi
ngv
ol
t
agel
ev
el
((
a)Ext
r
al
owv
ol
t
agebel
ow50V
(
b)Lowv
ol
t
agebel
ow1000v (
c)Hi
ghv
ol
t
ageabov
e1000v
)
36.What4obj
ect
i
v
esofaj
obsaf
et
ypl
an?
(
a)Wor
kdescr
i
pt
i
onbyAP (
b)Hazar
dassessment(
c)Act
i
onbyar
eaaut
hor
i
t
y(
d)
Act
i
onbyper
mi
t
hol
der
)
37.ESRl
i
stdet
ai
l
edandspeci
f
i
ci
nst
r
uct
i
ons
(Tof
ol
l
owt
hebasi
cr
ul
esappl
i
cabl
et
oPDOel
ect
r
i
cal
sy
st
em andal
soconcer
nedwi
t
hPDOhi
ghv
ol
t
age
andassoci
at
edl
owv
ol
t
ageel
ect
r
i
cal
sy
st
em)
38.St
at
et
hepr
ecaut
i
onst
obet
akenbef
or
ewor
ki
ngonHi
ghVol
t
ageappar
at
us
(
a)Swi
t
chof
ff
r
om al
l
sour
cesofsuppl
yandmakesur
edead(
t
est
)
(
b)I
sol
at
esour
cewi
t
hsaf
et
ypadl
ock,
keysaf
eandf
i
xcaut
i
onnot
i
ce(
c)connectt
oear
t
hatt
hepoi
ntat
i
sol
at
i
onCME(
d)scr
eenf
r
om adj
acentl
i
v
eappar
at
usandat
t
achdangernot
i
cei
fr
equi
r
ed(
e)i
ssue
EPTW byanAEP(
ar
eaaut
hor
i
t
y
)t
oCEPt
or
el
easet
heappar
at
usf
orwor
k(
f
)maket
heCEPawar
eatt
he
nat
ur
eandi
nt
entatt
hewor
k(
g)t
heCEPr
ecei
v
i
ngt
heEPTW i
st
obeaccompani
edbyanot
herCEPand
heshal
l
expl
ai
nt
hewor
kdet
ai
l
soft
heEPTW t
ot
hewor
kpar
t
y
)
39.Whatar
ey
ourr
esponsi
bi
l
i
t
i
esasar
eci
pi
entofLOAf
orsandcl
ear
i
ngj
obi
na132kvswi
t
chy
ar
d
(
a)Expl
ai
nt
ot
hewor
kpar
t
yt
hedangerandpr
ecaut
i
ont
obet
aken
(
b)Remai
nal
way
satt
hesi
t
edur
i
ngwor
k(
c)Ensur
et
hewor
kpar
t
yi
sadher
i
ngt
ot
hepr
ecaut
i
onsi
n
t
heLOA)
40.Pr
ocedur
ef
orener
gi
si
nganewl
yi
nst
al
l
edLVcabl
e
(Checkcabl
ei
nsul
at
i
onpr
opert
er
mi
nat
i
onatbot
hends,
nor
mal
suppl
yatf
usei
ncomi
ngt
er
mi
nal
s
cor
r
ectf
user
at
i
ngswi
t
chof
fi
tpossi
bl
ewearappr
opr
i
at
eper
sonal
pr
ot
ect
i
oni
nser
tonef
use:
checkback
f
eedonot
hert
wof
useoutgoi
ngt
er
mi
nal
.I
nser
tsecondf
usecheckbackf
eedont
her
emai
ni
ngf
use.
I
nser
tt
hi
r
df
usechecksuppl
yt
oci
r
cui
t
)
41.Wheni
sol
at
i
ngci
r
cui
twhatpr
ecaut
i
onwoul
dagai
nstaut
hor
i
zedoper
at
i
oni
sol
at
i
on?
(
a)Lockt
hei
sol
at
ori
nt
heopenposi
t
i
onwi
t
hsaf
et
ypadl
ocks(
b)At
t
achcaut
i
ononi
sol
at
orhandl
e(
c)
saf
et
ypadl
ockskey
ssecur
edi
nkeysaf
e)