12
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Chapter 5: Hazardous Location Drawing and Certification
• Hazardous Location Drawing
PR
O
PR
IE
TA
RY
A
ND
C
O
NF
ID
EN
TI
AL
LO
G
AN
, U
TA
H
AN
D
M
AY
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T
BE
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SE
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RE
PR
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DU
CE
D,
P
UB
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SH
ED
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R
DI
SC
LO
SE
D
IN
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AY
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IR
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R
IN
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to
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ro
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ay
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to
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ld
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at
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an
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rm
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on
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N
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N
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AR
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e
ca
bl
e
is
te
rm
in
at
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in
th
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se
ns
or
a
nd
ru
ns
c
on
tin
uo
us
ly
fr
om
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se
ns
or
In
st
al
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n
ac
co
rd
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ce
w
ith
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18
o
f t
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of
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A
&
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as
re
qu
ire
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by
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al
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N
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/ L
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ltr
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)
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ltr
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so
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ed
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In
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Fi
el
d
w
iri
ng
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pp
ar
at
us
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to
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dc
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to
2
0
m
a
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0
2
7
4
5
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az
ar
d
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s
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st
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ti
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ra
w
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2
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ra
v
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ll
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2
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x
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x
In
st
al
la
tio
n
in
C
la
ss
I
Di
vi
si
on
2
G
ro
up
s
C
a
nd
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C
la
ss
I
Zo
ne
2
A
E
Xn
A
IIB
N
on
-In
ce
nd
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e
W
iri
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fo
r I
ns
ta
lla
tio
n
in
Cl
as
s
I D
iv
is
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n
2
G
ro
up
s
C
a
nd
D
, M
ax
. T
em
p.
6
0°
C
V
m
ax
=
2
8V
D
C
,
Im
ax
=
2
00
m
a,
C
i =
0
nF
, L
i =
0
L
P
U
-2
1
2
7
,
L
P
U
-4
1
2
7
,
L
P
U
-2
4
2
8
&
L
P
U
-4
4
2
8
W
A
R
N
IN
G
-
P
O
TE
N
TI
A
L
E
LE
C
TR
O
S
TA
TI
C
C
H
A
R
G
IN
G
H
A
ZA
R
D
-
C
le
an
w
ith
o
nl
y
w
ith
a
d
am
p
cl
ot
h
D
1
D
1
A
dd
E
le
ct
ro
st
at
ic
D
is
ch
ar
ge
W
ar
ni
ng
3-
6-
08
