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bonding water pipes??? #5850
12/10/01 10:16 PM
12/10/01 10:16 PM
R
rayh78  Offline OP
Member
Joined: Nov 2001
Posts: 23
Whats purpose of bonding to copper water pipes if main line feeding house is plastic then changes to copper in the rest of house??.
If copper I understand it would serve as a ground.

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Re: bonding water pipes??? #5851
12/10/01 11:01 PM
12/10/01 11:01 PM
N
Nick  Offline
Member
Joined: Aug 2001
Posts: 599
Riverside, CA
Copper pipes could become energized. If they are not bonded to the service equipment and they become inadvertently energized the over current device will not trip leaving a potentially lethal situation.

Re: bonding water pipes??? #5852
12/11/01 09:02 AM
12/11/01 09:02 AM
W
WARREN1  Offline
Member
Joined: May 2001
Posts: 176
Greenville, SC, USA
Nick is right. There are appliances in all residences that use electricity and could inadvertanly be connected to the copper piping system through a shorted motor or heating element. Water heaters are the worst offenders. Dishwashers and garbage disposals, if not connected through an isolating plastic or rubber pipe can induce current onto the copper water piping, when things don't work properly.


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