Hazardous
Hazardous
Hazardous Area
Area
Area Cabling
Cabling
Cabling and
and
and Conduit
Conduit
Conduit Requirements
Requirements
Requirements
Explosion
Explosion
Explosion Proof
Proof
Proof
All electrical wiring in the hazardous area must be
encased in Class I, Division I, Group D approved
explosion-proof conduit. Follow all National, State,
and Local electric codes.
A conduit seal (D) is required within 18 in. (457 mm)
of the motor for the US and Canada. See Fig. 3.
All cables must be rated at 70°C (158°F).
Flame
Flame
Flame Proof
Proof
Proof (ATEX)
(ATEX)
(ATEX)
Use appropriate conduit, connectors, and cable
glands rated for ATEX II 2 G. Follow all National,
State, and Local electric codes.
All cable glands and cables must be rated at 70°C
(158°F).
Typical
Typical
Typical Installation
Installation
Installation
NON
NON
NON---HAZARDOUS
HAZARDOUS
HAZARDOUS AREA
AREA
AREA
HAZARDOUS
HAZARDOUS
HAZARDOUS AREA
AREA
AREA
Figure 1 Typical Installation
Key
Key
Key for
for
for Fig.
Fig.
Fig. 1
1
1
A
Electrical Supply (must be sealed conduit
approved for use in hazardous locations)
B
Disconnect, with lock
C
Start/Stop Control (must be approved for
use in hazardous locations)
D
Explosion Proof Conduit Seal. Required
within 18 in. (457 mm) of the motor for the
US and Canada.
Key
Key
Key for
for
for Fig.
Fig.
Fig. 1
1
1
E
Fluid Pressure Gauge
F
Fluid Shutoff Valve
G
Pump Ground Wire. Two ground terminals
are provided if local code requires redundant
grounding connections.
H
Fluid Drain/Pressure Relief Valve
8
3A6358A