76
4-Wire Power Supply Cord Connection
4-wire receptacle
(NEMA type 14-30R)
4 prong plug
Spade terminals
with upturned ends
Ring terminals
IMPORTANT:
A 4-wire connection is required for mobile homes
and where local codes do not permit the use of 3-wire connections.
1.
Prepare to connect neutral wire
2.
Connect neutral wire
Remove center terminal block screw (A) and green external
ground conductor screw (B).
Loop white ground jumper wire back on itself and connect
it and neutral wire (white or center) (C) of power supply
cord under center terminal block screw (A). Tighten screw..
A
B
C
A
4.
Connect remaining wires
3.
Connect ground wire
Connect remaining wires under outer terminal block screws.
Tighten screws and also tighten strain relief screws. Finally,
install terminal box cover and secure with the three screws.
Now, go to “Route Drain Hose.”
Connect ground wire (D) (green or bare) of power supply cord
under green external ground conductor screw (B).
Tighten screw.
D
B