PVC non-metallic coupling can be used with Sch. 40 and Sch. 80 RIGID non-metallic conduit (RNC). Designed for use above ground and underground as described in the NEC. fittings ensure raceway integrity. Unlike metallic systems, non-metallic fittings are lighter, can be installed in less time and are easily fabricated on the job. Fittings are nonconductive assuring a safe system. Resistant to sunlight and listed for exposed or outdoor usage, Non-metallic PVC fittings are durable and will not rust or corrode. Can be used to join Rigid Non-Metallic Conduit (RNC). Compatible with Sch. 40 and Sch. 80 RIGID non-metallic conduit (RNC). For use in aboveground and underground applications as well as exposed outdoor usage. Durable PVC construction means no rusting or corroding. Weighing less than metallic systems means more efficient and quicker installation time. UL Listed.