Explosionproof, dust-ignitionproof; Smooth, rounded integral bushing in each hub protects conductor insulation; Accurately tapped, tapered threads for tight, rigid joints and ground continuity
Standard:
UL 886, UL File Number E10444, CSA C22.2 No. 25 And 30, CSA 065181, UL Listed For Class I, Groups A, B, C, D; Class II, Groups E, F, G; Class III