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Old 08-01-2011, 11:41 PM   #1
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ground rod

is there any code to where the ground rod should be any distance withing the main panel?

main water line is in the front yard. main panel is in the back.

ground rod in next to the main water line


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Old 08-02-2011, 06:30 AM   #2
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I can't find a required distance from the panel in the code, but close proximity is usual. Some areas require two rods, so check local code. The ground conductor from the panel to the rod shall be no smaller than #6 copper or#4 alum. The panel shall also be grounded to a mettalic water pipe at a point close to where it enters the house.


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Old 08-02-2011, 07:49 AM   #3
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The ground rod should be nearest to the meter or entry point into the home. How close is it to the main water line? My fear is that if you got a lightening strike, it could jump from the rod to the water line, and re-enter the home.
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Old 08-02-2011, 08:23 AM   #4
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The NEC does not specify a distance. We generally keep it as close as possible to the service disconnect to reduce the amount of wire needed to connect to it. It can be next to the water pipe.
All responses based on the 2011 NEC.
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Last edited by electures; 08-02-2011 at 08:35 AM.
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Old 08-02-2011, 09:00 AM   #5
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Do not use aluminum wire to the ground rods unless it is 18" or more from grade. Aluminum wire will deteriorate quickly when in contact with the earth.
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Old 08-02-2011, 11:35 AM   #6
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Ground rods can be placed anywhere. If two ground rods are used they must kept apart at least 6 feet.


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