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Old 03-17-2010, 08:16 AM   #1
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general service panel question about ground / neutral


After seeing panels wired many different ways... was wondering about one thing... most panels I see have two sets of screw terminal bars... one on the left and on on the right of the main hot bus... a lot of wiring books have each side dedicated to wiring ground on one side and neutral on the other... but in production, I see ground and neutral intermixed... any real difference about this? besides just being neat and tidy with all the same color on the same side?

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Old 03-17-2010, 08:26 AM   #2
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general service panel question about ground / neutral


In a main panel, the neutral bar and ground bars are essentially the same. They are connected. (This is NOT true for a subpanel.) I think the only reason to keep grounds & neutrals on their own bars in a main panel is for organizational purposes.

In my small 100-amp main panel (small '50s house) there is only one ground/neutral bar and both whites & bare wires are connected to it. This passed an electrical inspection, by the way.

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Old 03-17-2010, 08:30 AM   #3
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general service panel question about ground / neutral


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Originally Posted by BlueBSH View Post
After seeing panels wired many different ways... was wondering about one thing... most panels I see have two sets of screw terminal bars... one on the left and on on the right of the main hot bus... a lot of wiring books have each side dedicated to wiring ground on one side and neutral on the other... but in production, I see ground and neutral intermixed... any real difference about this? besides just being neat and tidy with all the same color on the same side?
No real issue although grounded conductors(whites) are to be landed individually(no doubling) to be code compliant.
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Old 03-17-2010, 07:55 PM   #4
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general service panel question about ground / neutral


No problem with them being mixed. Although if you were to subfeed a smaller panel from your main code requires you remove the bar connecting the two..
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