11
Installation Instructions
Clamps
Bare metal
Insulating device
4 AWG wire
(minimum)
Three Wire Connection with External Ground
Conduit to
oven
Incoming
power
Wire nut,
4 Places
Junction box
Separate 10 AWG
wire minimum
Clamp wire tightly
to pipe
Connecting to a Three Wire Electrical
System with External Ground - Where Local
Codes Permit
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
grounding screw. The grounded cold water pipe must
have metal continuity to electrical ground and must not
be interrupted by insulating materials. Any insulating
materials must be jumped, with a minimum, 4 AWG
wire to establish continuity to ground.
NOTE
If the junction box has been properly grounded by a
licensed electrician, the green (ground) wire from the
appliance conduit may be connected to the junction box
using a loop terminal.
To connect the green appliance conduit wire to a
grounded cold water pipe:
1. Separate the wires coming out of the appliance conduit.
2. Connect the white wire from the appliance conduit to
the 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
copper wire. Securely clamp the wire to bare metal at
both ends.
Insulated Pipe Jumper
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