Coupling system comprising metal gaskets and expansion joints for exterior and underground installation and use with electrical, acoustic or fiber optic cables; conduit repair kits, namely, repair kits for underground conduit, comprising rubber couplings, and fittings therefor; expansion joints for underground installation and use with electrical, fiber optic or acoustic conduit; conduit termination kits comprising a flared plastic peg, plastic plugs and small straight plastic peg for exterior and underground installation and use with electrical, acoustic or fiber optic cables
