4" Insulated Grounding Bushings HDG Malleable Iron
Topaz applies the hot dip galvanizing process to conduit bodies, covers and accompanying components such as bushings, couplings and supports. The galvanizing process protects from corrosion induced by harsh environmental conditions, instilling end user confidence in the quality, reliability and longevity of the fitting.
Conforms to finish thickness ASTM A123/123M; UL514B and UL467 listed; NEMA FB1 compliant and meets Federal Spec. A-A-50553.