Amp Generator Extension Cord STW, Heavy-Duty Generator Power Cord with Plug & CS Twist Lock Connector

Heavy-Duty 20Ft 50 Amp Generator Extension Cord – Built for Power, Safety & Reliability

Ensure uninterrupted power in any condition with this 20Ft 50 Amp Generator Extension Cord STW 6/3 + 8/1—your go-to solution for dependable energy transfer during blackouts, storms, off-grid travel, or jobsite operations.

High Performance Pure Copper Cable

This 50 amp generator cord delivers robust power—125V/250V and up to 12,500 watts—with pure copper wiring that maximizes conductivity and minimizes heat buildup. Designed with 6/3 + 8/1 STW configuration, it features 3 heavy-duty 6 AWG wires and 1 durable 8 AWG ground wire, wrapped in a thick yet flexible thermoplastic jacket.

Optimal Length for Versatile Use

With a 20-foot length, this generator power cord gives you flexibility to connect your generator at a safe distance from your home, RV, or power source—ideal for storm recovery, camping trips, construction sites, and workshops.

Twist Lock for Safe, Secure Power

Outfitted with N14-50P to CS6364 (SS2-50R) twist lock connectors, this extension cord ensures a tight, weatherproof seal. The twist-locking design prevents accidental disconnection during wind, heavy rain, or snow—keeping your power flow uninterrupted even in extreme weather.

Built for All Seasons, Indoor & Outdoor

Its STW-rated jacket makes it weather-resistant, heat-resistant, and flexible in cold or hot temperatures. Use it confidently year-round—indoors or outdoors—without wear or risk.

Easy Storage and Portability

Comes with an ergonomic handle for safe and easy unplugging. A plastic cord strap is included for tangle-free storage when not in use.

Wide Applications

Whether you're powering your home during an outage, connecting your RV to a campsite, or running heavy tools at a jobsite, this 125V 250V generator power cord is built to deliver safe, stable power wherever you are.