G gsc New member Jul 9, 2003 #1 Is there a article in the NEC that would require all wiring in a 480VAC motor starter to be 600VAC rated, including the wiring to a 24VDC coil or contact circuit as part of a motor control circuit?
Is there a article in the NEC that would require all wiring in a 480VAC motor starter to be 600VAC rated, including the wiring to a 24VDC coil or contact circuit as part of a motor control circuit?
iwire Moderator Staff member Location Massachusetts Jul 9, 2003 #2 Re: Conductor min. voltage rating in starters Yes, 2002 NEC 300.3(C)(1) Here is part of it All conductors shall have an insulation rating equal to at least the maximum circuit voltage applied to any conductor within the enclosure Click to expand...
Re: Conductor min. voltage rating in starters Yes, 2002 NEC 300.3(C)(1) Here is part of it All conductors shall have an insulation rating equal to at least the maximum circuit voltage applied to any conductor within the enclosure Click to expand...