![](/images/backgrounds/79523/79523-2013x1.png)
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
11