Class I is the most stringent, Class III the least. In Class I and Class II, it’s: Division 1 if the threat is present during ordinary conditions. Division 2 if the threat is present during abnormal ...

All questions and answers are based on the 2011 NEC. Q. What wiring methods does the NEC permit in a Class I, Div. 2 location? A. Only the following wiring methods are permitted within a Class I, Div.

The new AIS Open Platform HMI Panel PC Touch Screen from AIS is Non-Incendive (NI), Intrinsically Safe (IS) and Explosion Proof, and meets NEC/CEC Class/Division, ATEX Directive 94/9/EC Zone for ...

This explosion proof LED light carries Class 1 Division 2 Groups A, B, C and D approval, UL 595 outdoor marine type approval, UL 1598 marine approval, ...