For preventing passage of gases, vapors or flames from one portion of conduit system to another; Required in Class I, Division 1 and 2 locations within 18 IN of enclosures containing apparatus that may cause arcs, sparks or high temperatures; Required in C
Standard:
UL 886 (1203), UL File Number E10444, CSA C22.2 No. 30, CSA 065181, UL Listed For Class I, Groups A, B, C, d; Class II, Groups E, F, G; And Class III
