Whirlpool CGD9150GW Installation Instructions Manual page 23

Connecting 3-Wire Connection: Optional
Use for direct wire or power supply cord where local codes
do not permit connecting cabinet-ground conductor to
neutral wire.
Connecting Neutral Wire
1. Remove center terminal block screw. Also remove neutral
ground wire by removing external ground conductor screw.
2. Connect neutral wire and neutral wire of power supply cord/
cable to center terminal block.
INSTALLATION INSTRUCTIONS – ELECTRIC DRYER
3. Connect remaining wires to outer terminal block.
4. Connect a separate copper ground wire from the external
ground conductor to an adequate ground.
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