Grounding Connector For Use With Flexible Metal Conduit Conduit Size 3/8 In. Material of Construction Steel Connector Type 90 Degrees Color Gray Standards CSA 638/ULE3060 E23018. Conforms to UL 467 514B CSA C22.2 No 18 and No 41 NEMA FB-1 NFPA 70-1999 (ANSI) JIC EGP1 JIC EMP1 Federal Spec W-F-406 Federal Std H-28 (Threads)