Nec 334.80

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wyboy

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NEC 334.80: What does the code mean when it says ?without maintaining spacing?? Is there a standard for maintain spacing between NM when ran in insulation?
 
wyboy said:
NEC 334.80: What does the code mean when it says “without maintaining spacing”? Is there a standard for maintain spacing between NM when ran in insulation?
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That is the million dollar question. I just keep them from touching. Keep in mind that you can have 4- 2 wire nm cables stacked without being hurt by the derating that is necessary.
 
I agree with Dennis,

There is no NEC specified distance that must be maintained to constitute "Maintaining space" so it would be up to the AHJ to determine.

Chris
 
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