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✅ NEMA L14-20P Locking Plug – Industrial Grade Twist Lock Male Connector
Built for generators, transfer switches, and heavy-duty equipment. Delivers a secure, vibration-resistant connection for reliable power delivery on job sites and backup systems.
✅ 20 Amp, 125/250 Volt – 3 Pole, 4 Wire Grounding
Rated for 20A, 125/250V, 60Hz. Perfect for portable generators, workshop power distribution, RV hookups, and home backup power. A heavy-duty generator plug for safe and efficient operation.
✅ Heavy-Duty Nylon Housing for Maximum Durability
Constructed from high-impact nylon that resists cracking, corrosion, and extreme weather. Built to withstand hard impacts and heavy force — ideal for industrial and outdoor use.
✅ Easy DIY Installation with Twist Lock Design
Simple to wire and assemble with no special tools required. The twist-to-lock mechanism ensures a weather-resistant, pull-proof connection that stays secure under stress. Perfect for DIY generator cord repairs.
✅ Universal Generator Compatibility
Works with L14-20R outlets on portable generators, RV power cords, industrial air compressors, and transfer switches. Provides reliable grounding for safe operation. Compatible with DuroMax, Westinghouse, Champion, Honda, and more.
🔧 What's in the BoxItemQtyNEMA L14-20P Locking Plug (Model 66421-BK)1 Piece📋 SpecificationsSpecificationDetailNEMA 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📦 Package Includes
✅ 1 × NEMA L14-20P Locking Plug (Model 66421-BK)
