Industrial Specification Grade Locking Devices - Inlets & Outlets 20A, 125V/AC NEMA L5-20 2-Pole/3-Wire. The widest range of NEMA and non-NEMA devices, designed and built with superior materials for long lasting performance.SpecificationConfiguration2-Pole, 3-Wire GroundingWiring MethodBack WireRating20A 125V NEMA L5-20Terminal Accommodation#14 - #8 AWGMaterialNylon