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Old 10-08-2012, 05:32 PM   #1
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Default Insulated Butt Splices in Panel

Anybody had any problems with this passing? I can't seem to find a specific code rule probibiting it.

I did a panel swap at my cottage and had to lengthen several #14 branch circuits and these work out so much neater than wire nuts all over the damn place.

No chance of a JB without a major rewire since the service conductors are shirt and the branch circuits come directly into the back of the panel from the wall.

Double Edit: this hasn't failed or anything, it just hasn't been inspected and I want my bases covered.


Last edited by bubb_tubbs; 10-08-2012 at 06:13 PM. Reason: Added JB comment
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Old 10-08-2012, 06:25 PM   #2
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I don't believe there is any codes against this, but ive never done it, as long as there listed and are being used correctly i think your fine. Someone else will know for sure

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Old 10-08-2012, 06:29 PM   #3
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Its fine, but who in their right mind would do that instead of a wirenut?
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Old 10-08-2012, 06:35 PM   #4
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Its fine, but who in their right mind would do that instead of a wirenut?
^^ Pretty much that ^^
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Old 10-08-2012, 06:45 PM   #5
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What type of wire, solid or stranded? Not all crimps are listed to be used on either, assuming the one's used carry any listing at all and they aren't just auto store ones.
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Old 10-08-2012, 06:49 PM   #6
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Its fine, but who in their right mind would do that instead of a wirenut?
A Canadian.
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Old 10-08-2012, 07:33 PM   #7
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A Canadian.
Specifically, a Canadian who hates seeing marrettes in panels.

I had 'em, I used 'em.

It's not like they're particularly time-consuming.


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What type of wire, solid or stranded? Not all crimps are listed to be used on either, assuming the one's used carry any listing at all and they aren't just auto store ones.
They're Molex butt splices rated for 16-14 solid Cu and 12-10 solid Cu.
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Old 10-13-2012, 02:26 AM   #8
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Typically in a retrofit, they allow for panels to be higher than code, which in many cases eliminates the splicing of cables or numerous j boxes.
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Old 10-13-2012, 03:31 AM   #9
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Hey....
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A Canadian.
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Old 10-13-2012, 03:40 AM   #10
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A Canadian.
Thanks for pointing out our higher standards!
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Old 10-13-2012, 04:47 AM   #11
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Thanks for pointing out our higher standards!


You can't really be serious.

You think a butt splice is a higher standard than a wire nut?

Go have another beer.
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Old 10-13-2012, 09:19 AM   #12
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Typically in a retrofit, they allow for panels to be higher than code, which in many cases eliminates the splicing of cables or numerous j boxes.
Top of panel was already at ceiling height - nearly 8 feet - and the wires were in some cases less than 4 inches long.
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Old 11-14-2012, 09:12 PM   #13
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the wire isnt that expensive to replace. I would never do a butt splice personally, and im sure that the customer would have no problem pay for 10-15' of new wire to have something that wont cause problems later
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Old 11-14-2012, 09:14 PM   #14
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the wire isnt that expensive to replace. I would never do a butt splice personally, and im sure that the customer would have no problem pay for 10-15' of new wire to have something that wont cause problems later

What if it's a 100' homerun?
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Old 11-15-2012, 04:24 AM   #15
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the wire isnt that expensive to replace. I would never do a butt splice personally, and im sure that the customer would have no problem pay for 10-15' of new wire to have something that wont cause problems later
Yeah, splices are the devil, they never last.
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Old 11-15-2012, 06:53 PM   #16
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What about the pigtails off GFI breakers? How do you make them reach the neutral bar on the other side of the panel?
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Old 11-15-2012, 07:35 PM   #17
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Quote:
Originally Posted by glen1971
What about the pigtails off GFI breakers? How do you make them reach the neutral bar on the other side of the panel?
Ch makes a nice panel and they just snap on , i love em . The pigtails are ugly !

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