Type BB: to insulate cables passing through metal boxes or troughs
Type ABB: a combination of Type "A" and "BB" Bushings. For insulating cables passing through metal boxes or troughs. High impact black thermosetting phenolic bushings, with at +150 C (+302 F) UL temperature rating, that will not soften, melt or
Type BBL: Provided with a steel locknut.
O‑Z/Gedney Types A, ABB, BB and BBL nonmetallic insulating bushings are used to protect wires and cables at entry and exit of threaded rigid conduit and IMC. Type A is used to insulate end of threaded rigid and IMC. Type BB is used to insulate cables passing through metal boxes or troughs. Type BBL is provided with a steel locknut. Type ABB is a combination of Type "A" and "BB" bushings. For insulating cables passing through metal boxes or troughs.
