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⭐NEMA L14-20P LOCKING PLUG – Industrial Grade Twist Lock Male Connector
Heavy-duty generator plug built for portable generators, transfer switches, and job site power distribution. Features a secure twist-to-lock mechanism that prevents accidental pull-outs and ensures vibration-resistant, reliable power delivery even under heavy loads or equipment movement. A must-have for backup power and professional applications.
⭐20 AMP / 125/250 VOLT – 3 Pole, 4 Wire Grounding Configuration
Rated for 20A, 125/250V, 60Hz – ideal for backup power systems, workshops, RV hookups, and industrial compressors. The 4-wire grounding design provides safe, stable electrical connections for high-demand equipment. Replaces or upgrades worn-out plugs with factory-spec performance.
⭐HEAVY-DUTY NYLON HOUSING – Impact & Weather Resistant
Crafted from high-impact nylon that resists cracking, corrosion, and extreme temperatures. Built to survive drops, heavy force, and harsh outdoor conditions on construction sites, farms, or emergency power setups. No brittle plastic – just rugged, long-lasting durability you can rely on.
⭐EASY DIY INSTALLATION – Simple Wiring & Twist Lock Assembly
Designed for straightforward, tool-friendly wiring with clearly marked terminals. The twist-lock design ensures a weather-resistant, secure fit that stays tight under stress – no special tools or professional electrician required for basic replacement. Saves time and money on generator cord repairs.
⭐UNIVERSAL GENERATOR COMPATIBILITY – Fits L14-20R Outlets
Directly compatible with L14-20R receptacles found on most portable generators, transfer switches, RV power inlets, and industrial machinery. Works with major generator brands including DuroMax, Westinghouse, Champion, and Honda. Ideal for backup power, job site tools, air compressors, and emergency lighting systems.
SpecificationDetailNEMA TypeL14-20P (Locking Male Plug)Current Rating20 AmpsVoltage Rating125/250V, 60HzPoles / Wires3 Pole, 4 Wire GroundingMaterialHeavy-Duty Impact-Resistant NylonColorBlackModel / Part Number66421-BKCommon ApplicationsGenerators, Transfer Switches, RVs, Compressors, Job Site PowerCompatible BrandsDuroMax, Westinghouse, Champion, Honda & More
