No you do not have to derate the conductors in your panel.Originally posted by jvondra:
Is it necessary to de-rate conductors inside of industrial control panels? If so, what Articles apply?
Thanks,
Joe
Your enclosure is not a raceway or cable.310.15(B)(2) Adjustment Factors.
(a) More Than Three Current-Carrying Conductors in a Raceway or Cable......
How do you figure that?Originally posted by petersonra:
BUT - in most cases, control panels have mostly non-current carrying conductors, so there is no heat so no derating is required for most of the conductors.
Don310.15(B)(2) ... or where single conductors or multiconductor cables are stacked or bundled longer than 600 mm (24 in.) without maintaining spacing and are not installed in raceways ...
Most of the conductors carry little or no current inside a control panel. There is no heat generated in a #14 wire that has only 1/10 amp flowing through it.Originally posted by iwire:
How do you figure that?Originally posted by petersonra:
BUT - in most cases, control panels have mostly non-current carrying conductors, so there is no heat so no derating is required for most of the conductors.
I was thinking that was where you where headed.Originally posted by petersonra:
Most of the conductors carry little or no current inside a control panel. There is no heat generated in a #14 wire that has only 1/10 amp flowing through it.Originally posted by iwire:
How do you figure that?Originally posted by petersonra:
BUT - in most cases, control panels have mostly non-current carrying conductors, so there is no heat so no derating is required for most of the conductors.