I inspectorjoe Member Location Dover, NH USA Dec 7, 2015 #1 where does the code instruct you to apply an thermal amp. calculation to your wire if it goes in/through or is enclosed in thermal insulation?
where does the code instruct you to apply an thermal amp. calculation to your wire if it goes in/through or is enclosed in thermal insulation?
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Dec 7, 2015 #2 338.10(B)(4)(a) which sends you to 334.80 for NM cable.