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zackivan

07:10AM | 10/12/05
Member Since: 10/02/05
26 lifetime posts
Bvelectrical
Hello All,

I am trying to figure out if the system ground that ties into the main service ground has to be an unspliced connection to all electrodes. Meaning, the 2 ground rods I have driven into the ground and the water pipe. I'd prefer to run ground wires from the main service to the ground rods and a seperate wire from the main service to the water pipe. Anyone know if this is OK?

Also, does the customer side of my gas meter pipe have to be bonded to ground. If so, does it also require an unspliced connection.

Thanks,

Zack

househelper

07:33AM | 10/12/05
Member Since: 03/31/05
265 lifetime posts
The grounding electrode connections from the main service to the two ground rods should be unbroken (no splices). If the water pipe is being used as part of the grounding electrode system (you have at least 10ft of metal pipe underground), the connection must be made within 5ft of entering the house and be continuous from the water pipe to the panel. It does not have to be continuous with the rods.

If the water pipes are being bonded to the panel, as all metal pipes should be, but are not part of the grounding electrode system, then that bond can be at a convenient point, but should be with 4ga wire if the panel is 200A.

In either case jumpers are required between the hot and cold and across any nonconductive breaks in the piping (such as plastic piping).

zackivan

08:27AM | 10/12/05
Member Since: 10/02/05
26 lifetime posts
Thanks for the reply, it helps alot!

When you stated all metal pipes should be grounded, are you including the gas pipe?

Thanks,

Zack


househelper

09:39AM | 10/12/05
Member Since: 03/31/05
265 lifetime posts
If the piping is metal, it should be bonded.
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