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View Full Version : Do I need an IS enclosure if the electrical components are already IS


gfriske
Jan 17, 2017, 12:38 PM
I have electrical items that are UL rated for class 1, div 2 a-d. I need them in an area that is class 1, div 2 group c. Can I just use any Nema 4x enclosure, or does my enclosure also have to be Class 1, div 2 group c rated?

ma0641
Jan 17, 2017, 04:35 PM
Look in NFPA 70 NEC, "enclosures". Specifically, Article 500 describes the NEC Division classification system, while Articles 505 and 506 describe the NEC Zone classification system.