Splices within a panel ???

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threephase

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Is there any reference in the code book referring to splices within an enclosure (primarily panelboards)?

For instance if you were upgrading a panel and it had to be mounted a few inches one way or another, can you extend the wires thru an approved means?
 
threephase said:
Thanks Bob

So the way I'm reading it is that it's okay only if within the liimits (percentage) of cross fill area?
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The way I read 312.8, is that it applies to conductors feeding through or tapping off to other devices. I think the question was to splice the conductor for extension of the same circuit, and I don't see anything about splicing.

I am not saying it can't be done, but is there a reference that might be more applicable, or should this Article be revised to include extending circuit conductors by splicing?
 
dcspector said:
312.8 can be confusing at best. Can one abandoned an existing panelboard and turn it into a junction box and feed to a new panelboard?
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Sure. And yes, splices can be made in a panelboard. IMO given the amount of fill allowed you would have a hard time exceeding the 75%.
 
If you are going to make a splice in the panelboard I would suggest using but splices instead of wire nuts. It is a better looking job and takes up less space.
 
wpaul29 said:
If you are going to make a splice in the panelboard I would suggest using but splices instead of wire nuts. It is a better looking job and takes up less space.
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I can see your point but I don't trust butt splices, had trouble with them several times over the years.
 
as long as you do not splice the branch circuit conductors and the service conductors in the old box you are ok. The old panel is considered a raceway and the service entrance conductors are the only thing that may occupy this new (now) raceway.
 
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