Installation Instructions

Connecting to a Three Wire Electrical System with External Ground - Where Local Codes Permit

4 AWG wire Insulating device (minimum)

warning

 

• Do not ground the appliance to a gas supply pipe or

 

hot water pipe.

 

• If connecting the ground wire to a grounded cold water

 

pipe, connect using a separate copper grounding

 

wire (No. 10 minimum) and a clamp with an external

Clamps

grounding screw. The grounded cold water pipe must

have metal continuity to electrical ground and must not

 

be interrupted by insulating materials. Any insulating

Bare metal

materials must be jumped, with a minimum, 4 AWG

 

wire to establish continuity to ground.

Insulated Pipe Jumper

note

To connect the green appliance conduit wire to a

 

If the junction box has been properly grounded by a

grounded cold water pipe:

licensed electrician, the green (ground) wire from the

1. Separate the wires coming out of the appliance conduit.

appliance conduit may be connected to the junction box

2. Connect the white wire from the appliance conduit to the

using a loop terminal.

white (neutral) supply wire in the junction box.

 

 

3. Connect the black wire from the appliance conduit to the

 

black (L1) supply wire in the junction box.

 

4. Connect the red wire from the appliance conduit to the

 

red (L2) supply wire in the junction box.

 

5. Connect the green wire from the appliance conduit to a

 

grounded cold water pipe as shown. Jumper any insu-

 

lating materials as shown above with a length of No. 4

Incoming

copper wire. Securely clamp the wire to bare metal at

both ends.

Power

 

Junction Box

Wire Nut,

4 Places

Separate 10 AWG

Wire Minimum

Clamp wire tightly to pipe

Conduit to oven

Three Wire Connection with External Ground

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