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Old 06-12-2011, 05:22 PM   #1
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3 wire overhead on roof


Hi
My house 1947 has a 3wire overhead 200 amp main as far as ground is concerned should there be a visable ground wire to a rod in the ground and to a gas or water main visable because i dont see one and just want to know if i should call a electrician for safety . i do see a ground wire in my main panel though.
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Old 06-12-2011, 05:39 PM   #2
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3 wire overhead on roof


There should be a wire from the panel to the waterline in the house, also a bonding jumper on hot water heater, as well as a wire going to at least 1 ground rod. Depending on when service was upgradewd will dictate if 1 or 2 ground rods were required.

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Old 06-12-2011, 05:48 PM   #3
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3 wire overhead on roof


I really appreciat your help i thought that is how it should be set up just wanted to make sure with a electrician because i am not that but had a idea from being around construction for a bit
Thanks again
Tony
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Old 06-12-2011, 06:01 PM   #4
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3 wire overhead on roof


Hey njmarine one more ? bonding jumper on hot water heater how is this done hot to cold pipe i thought this was the same as bonding jumper on incoming water main from the city. can you explain
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