W-F-406E, FEDERAL SPECIFICATION: FITTINGS FOR CABLE, POWER, ELECTRICAL AND CONDUIT, METAL, FLEXIBLE (26-MAR-1993) [S/S BY A-A-50552]

W-F-406E, FEDERAL SPECIFICATION: FITTINGS FOR CABLE, POWER, ELECTRICAL AND CONDUIT, METAL, FLEXIBLE (26-MAR-1993) [S/S BY A-A-50552]., This specification covers box connectors for flexible conduit, armored cable, and nonmetallic sheathed cable, bushings for armored cable, couplings for flexible conduit, adapters for connecting flexible conduit to rigid conduit, and electrical metallic tubing, and clamps for grounding armored cable and ground wire.