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#86590 11/14/03 01:01 AM
Joined: Apr 2003
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I have an outside 200 amp diconnect with a 4 - wire system for a single dwelling, i installed 2-ground rods for my main grounding. The water line service is plastic. Can i bond water lines at sub-panel or does the bond go out to means of disconnect or ground rods.

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#86591 11/14/03 10:15 AM
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250.104(A) states that the bonding must go to the service equipment, the grounded conductor at the service, or or a grounding electrode or grounding electrode conductor.


Ryan Jackson,
Salt Lake City
#86592 11/14/03 10:40 AM
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Thanks, thats the way i'm reading it in art:250.104-1. But since this water line is not a ground could this be under (other metal piping) Art:250.104-(4)(b)where the equipment grounding condutor for the circuit that may energize the piping shall be permitted to serve as the bonding means.

#86593 11/14/03 10:51 AM
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I would view "other metal piping" as gas piping, condensate lines, copper air lines, etc...


Ryan Jackson,
Salt Lake City
#86594 11/14/03 11:15 AM
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Thanks Again for your input.

#86595 11/14/03 02:07 PM
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You are welcome


Ryan Jackson,
Salt Lake City

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