jar546
Forum Coordinator
Commercial work:
Residential work:
Residential work:
Nope, the installer maintained spacing, and IMO, according to the reference below, spacing could be one hydrogen atom.north star said:Wouldn't some of those neatly [ close proximity to each ] circuitsof NM need derating?
310.15(B)(2) Adjustment Factors. (a) More Than Three Current-Carrying Conductors in a Raceway or Cable. Where the number of current-carrying conductors in a raceway or cable exceeds three, or where single conductors or multiconductor cables are installed without maintaining spacing for a continuous length longer than 600 mm (24 in.) and are not installed in raceways, the allowable ampacity of each conductor shall be reduced as shown in Table 310.15(B)(2)(a). Each current-carrying conductor of a paralleled set of conductors shall be counted as a current-carrying conductor.