22
Precautions
for
Safe
Testing
T
O
S
8040
3.3
O
perating
P
recautions
3.3.1
Connecting the
T
est
L
eads
When
co
nne
ct
ing
t
he
t
es
t
le
a
ds
,
o
bse
r
ve
t
he p
roc
edu
r
e given bel
o
w
to
ensu
r
e se
c
u
r
e
co
nne
ct
i
o
ns
.
1
.
Chec
k
the
indications
at
the
t
w
o
locations
sho
w
n
in
Fig.
3-1
.
Fig.
3-1
Chec
k
ing
that
No
High
Voltage
is
B
eing
O
utput
2
.
I
nsert
the
b
lac
k
test
lead
into
the
L
O
W
terminal
and
attach
an
e
x
traction
prevention
guard
to
the
terminal
,
as
sho
w
n
in
Fig.
3-2
.
Fig.
3-2
Connecting
the
L
O
W
-
side
Test
Lead
C
o
nfi
r
m
t
h
at t
he
D
ANG
ER
l
a
mp
is
n
ot
li
t.
C
o
nfi
r
m
t
h
at t
he
v
o
l
t
me
t
e
r
indi
cat
es
“
0.00
”
.
LO
W
-
side
t
es
t
le
a
d
(bl
ac
k)
Attac
h
t
he
ex
tract
i
o
n
p
r
even
t
i
o
n
gu
ar
d
to t
he
t
e
r
min
a
l
a
nd
f
a
s
t
en
se
c
u
r
ely
.