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Old 06-23-2011, 07:03 PM   #1
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Conflicting information


I have my meter on the side of a detached garage which contains two fuses each 100amps both of these including a neutral that is connected to an underground earth ground. The meter box itself is bonded with a screw to the ground. Three wires enter the detached home(75ft away). My question is do I need to have a earth or water pipe ground in the sub panel inside the home?

So I need to install a ground in sub panel located inside home?

Last edited by Neko; 06-23-2011 at 07:45 PM. Reason: Adding
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Old 06-23-2011, 07:15 PM   #2
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From the description, yes, a ground rod (probably 2 actually), and the metal water piping bonded also.
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Old 06-23-2011, 07:42 PM   #3
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What I'm doing is replacing the sub panel inside the home with a newer plus bigger panel box. My grand father built this home in the late 1940's. 3 wires feed to the panel located in the home. Do I need to use the green grounding screw included with the new panel box located in the home?
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Old 06-23-2011, 10:30 PM   #4
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Quote:
Originally Posted by Neko View Post
I have my meter on the side of a detached garage which contains two fuses each 100amps both of these including a neutral that is connected to an underground earth ground. The meter box itself is bonded with a screw to the ground. Three wires enter the detached home(75ft away). My question is do I need to have a earth or water pipe ground in the sub panel inside the home?

So I need to install a ground in sub panel located inside home?
Where is the main breaker?
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