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Locking Plug Nema L14-30P, 30A, 125/250V, 3-Pole, 4-Wire, Industrial Grade
ENERLITES 66470-BK Industrial Grade 30A 125/250V Locking Plug Device: NEMA L14-30P, 60Hz, 3P, 4W grounding. Made with high impact polycarbonate thermoplastic construction with solid brass blades fitted to ensure locks are securely in place. Use in combination with locking connector 66492-BK, NEMA L14-30C. UL-Listed, 2-Year Warranty.