Explosion Proof EXI Linear LED- UL1598, UL1598A, UL924, UL844 approved. Hydrogen or gas approved LED surface or pendant mounted light fixture provides operators with a powerful and energy efficient alternative to traditional fluorescent hazardous location fixtures. LED technology and compact design makes this fixture an excellent replacement upgrade option for bulky and high maintenance cost older fixtures. This series achieve Class I Division 1, Groups C, D; Class I Division 2, Groups A, B, C, D; Class II Division l Group E, F, G. Class Ill.