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10
ELECTRICAL CONNECTION
Power Supply Cord Direct Wire
Electrical Connection Options
1. Choose electrical connection type
Power supply cord 4-wire receptacle
(NEMA Type 14-30R): Go to “4-wire
Power Supply Cord Connection” section.
Then, go to “Venting Requirements.”
3-wire direct connection: Go to “3-wire
Direct Wire Connection” section. Then go
to “Venting Requirements.”
4-wire direct connection: Go to “4-wire
Direct Wire Connection” section. Then go
to “Venting Requirements.”
Power supply cord 3-wire receptacle
(NEMA Type 10-30R): Go to “3-wire
Power Supply Cord Connection” section.
Then go to “Venting Requirements.”
NOTE: If local codes do not permit connection of a
cabinet-ground conductor to neutral wire, go to “Optional
3-wire Connection” section. This connection may be
used with either a power supply cord or a direct wire
connection.
B
C
A
D
2. Remove terminal block cover
Before you start, disconnect power. Remove hold-down
screw (B) and terminal block cover (C). Install strain relief.
A. Center terminal block screw
B. Hold-down screw
C. Terminal block cover
D. External ground conductor screw
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