Answer by kreemoweet for Count NM clamp in box fill calculations?
The box fill calculations will depend on the version of electrical code used. The 2020 NEC is a little different than earlier versions. Here's an online box fill calculator based on the 2020 NEC:...
View ArticleAnswer by Harper - Reinstate Monica for Count NM clamp in box fill calculations?
I know each clamp is counted as 1 conductorNo. ALL clamps are counted as 1 conductor.If you have 5 Romex cables coming in on 5 clamps, the wire count is 13 -Five hot five neutral, so 10 countsGrounds...
View ArticleAnswer by Ecnerwal for Count NM clamp in box fill calculations?
As normally/correctly installed, that clamp type is outside the box and does not add to box fill. Clamps that add to box fill are inside the box.Not that it applies, here, but: Interior clamps add one...
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Count NM clamp in box fill calculations?
I'm trying to calculate the box fill for a box that has 3 12/2 NM-B cables going in, and 3 going out. The box is to extend circuits that don't reach into a new main panel. The box will not have any...
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