9 PLASTIC PIPE, CONDUIT, NAMELY, ELECTRICAL CONDUIT; PLASTIC CONDUIT FOR ELECTRICAL INSTALLATIONS; PVC RIGID CONDUIT FOR ELECTRICAL INSTALLATIONS; PLASTIC RISERS IN THE NATURE OF STRUCTURAL ATTACHMENTS FOR USE WITH ELECTRICAL CABLE; PLASTIC CONDUIT FITTINGS, NAMELY, COUPLINGS, ADAPTERS, CONNECTORS, CAPS, PIPE STRAPS AND ELBOWS; ELECTRICAL RECEPTABLES, ELECTRICAL SWITCH AND OUTLET BOXES AND ELECTRICAL RECEPTACLE COVERS FOR SWITCH AND OUTLET BOXES; ELECTRICAL UTILITY AND COMMUNICATION DUCTS