ECN Forum Forums Code Related Discussion NEC & other Code issues stapling romex

i use stackers.

the 3M variety states on the package

you may want to derate

but the criterior , or definition as to 'bundling' lacks .....


1s it 1/16th" ?

is it 1/8th"?

note 310.15(A)(2)'s
'without maintaining spacing'

I have always used 2 cables, stacked under a single staple. However, I have begun to use stackers when there are more than 2 cables. It looks better, and if you have to install cables side by side on a stud, you come too close to the edges.

BTW,
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