am i correct? that a 12"x12"x4'wireway filled with MORE than 30 current carrying conductors, that article 310.15(b)(2)ex.5. would have nothing to do with derating of these wires.THANKS GEO
Originally posted by vanwalker: am i correct? that a 12"x12"x4'wireway filled with MORE than 30 current carrying conductors, that article 310.15(b)(2)ex.5. would have nothing to do with derating of these wires.THANKS GEO
376.22 Number of Conductors:
Quote:-The derating factors in 310.15(B)(2)(a)shall apply..
378.22 Number of Conductors:
Quote:The derating factors specifided in 310.15(B)(2)(a)shall be applicable..
*Exception#5 and:
A 60 percent adjustment factor,will not superceed requirements of table 310.15(B)(2)(a)..As I see it in installation of the circuit branch conductors,installed in wireway(s)and in the intention of your posting..