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#26630 - 06/17/03 09:48 AM Sub Panel Confusion
ThinkGood Offline
Member

Registered: 08/07/02
Posts: 1084
Loc: Milwaukee, WI
Greetings, all.

I was visiting dad on Father's Day and was admiring some work my folks are having done in their kitchen.

I remember when the new service was put in, and the electrician drove a ground rod (perhaps two, I don't recall). This would have been somewhere in the late 1980s or early 1990s.

Then, dad had a sub panel added (right next to the main panel) to allow for more breakers. (Early 1990s.)

What I noticed now is that the sub panel's ground and neutral conductors are not isolated from each other. If I recall correctly, the grounds and neutrals are all on the same bus bar (terminal bar?).

I thought they were supposed to be isolated? Or does that only apply to a garage where an additional, separate ground rod is required?

(In the main panel, the neutral and ground wires also go to the same bar, but I believe that was from before the code requirement for separate (but bonded) neutral and ground bus bars...???)

My main concern is safety, of course.

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#26631 - 06/17/03 11:48 AM Re: Sub Panel Confusion
GEO Offline
Member

Registered: 03/12/03
Posts: 50
Loc: Lancaster,Pa
NEC 2002 try this while you are waiting
225.36--- 250.32b1---250.32b2 GEO

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#26632 - 06/17/03 03:39 PM Re: Sub Panel Confusion
mj Offline
Member

Registered: 06/10/02
Posts: 188
Loc: meriidian, ms
was not a requirment to separare neutral from ground in the 1980's ?

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#26633 - 06/18/03 04:01 AM Re: Sub Panel Confusion
Redsy Offline
Member

Registered: 03/28/01
Posts: 2138
Loc: Bucks County PA
250.142 (A) & (B) sum it up.

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