The requirements cover Type EB and Type A extruded rigid PVC (polyvinyl chloride) electrical conduit and fittings consisting of elbows and other bends made from and for use with these types of conduit; Extruded rigid Schedule 40 high-density PE (polyethylene) electrical conduit and thefollowing fittings: Elbows and other bends from and for use with this conduit and Rigid high-density PE couplings for use with this conduit.