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#86986 12/30/03 12:00 PM
Joined: Dec 2003
Posts: 18
D
Member
Is there a code reference regarding federal pacific split bus panels. If there is I cant find it in the nec. In my area I run across them quite frequently.

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#86987 12/30/03 05:32 PM
Joined: Mar 2003
Posts: 25
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See 408.16(A) Exception #2. The handbook has a couple of diagrams with more detail on this exception. ( I am assuming that they are the same type of panel you are talking about. One shows a top bus with 2 breakers feeding a middle and a bottom bus. The other shows a top bus with 6 breakers. 5 feed other loads, and the 6th feeds a bottom bus.)

Steve

#86988 12/30/03 05:39 PM
Joined: Dec 2003
Posts: 18
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Member
are you talking about the 2002 code, because I have the 99 code and it goes from article 402 fixture wires to article 410 light fixtures and lamps. Thanks for the reply.

#86989 12/31/03 10:14 AM
Joined: Mar 2003
Posts: 25
S
Member
Yes, that was the 2002 NEC. For the 96 (which should have the same number at the 99 code) the reference is 384-16 Exception #2.

The handbook commentary:

"The phrase "for existing installations" in Exception #2 means the existing panelboard. It is not intended that a split bus panelboard used in an individual dwelling occupancy be replaced if a circuit is added to the existing panelboard. It does mean, however, that for installation of new panelboards in new or existing residential occupancies, a split-bus six-disconnect panelboard (with more than two circuit breakers or sets of fuses protecting the panelboard ) is not permitted for the service equipment.
Etc.

STeve


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