Industrial Specification Grade Locking Devices - Receptacles 20A, 3Г 250V NEMA L11-20 3-Pole/3-Wire. The widest range of NEMA and non-NEMA devices, designed and built with superior materials for long lasting performance.SpecificationConfiguration3-Pole, 3-Wire Non-GroundingWiring MethodBack & Side WireRating20A, 3Ø 250V NEMA L11-20Terminal Accommodation#14 - #8 AWGMaterialGlass-filled nylon