21
Installation Instructions
WARNING
• Do not ground the circuit to a gas line.
• Do not ground the circuit to a hot water pipe.
• Water lines that are insulated must be jumped to
assure continuity to ground. See below.
Grounding Using an External Cold Water Pipe
GREEN
GREEN
WHITE
WHITE
BLACK
BLACK
UL/CSA approved
NEMA strain relief
Fasten clamp tightly
on metal pipe
Separate No. 10 (minimum)
copper ground wire
To house circuit breaker
or fuse box
To RNIVS
Wire nut,
3 places
Junction box
Metal Cold Water Pipe
(detail)
Clamps
Bare metal
Meter
No. 4 copper
wire
Grounding to a Cold Water Pipe
To ground the RNIVS to a cold water pipe, refer to the
images on this page.
