POWGRN NEMA 14-50P to 14-50R 30 ft 50A Extension Cord — Outdoor, Weatherproof, ETL-Certified

POWGRN's 30-foot NEMA 14-50P to 14-50R extension cord delivers a weatherproof, 50-amp connection for Level 2 EV charging and RV shore power.

This heavy-duty extension cable is built for high-power outdoor use, combining a NEMA 14-50P male plug and a NEMA 14-50R female inlet to extend reach without sacrificing amperage. Rated for 125/250V and up to 50A continuous load, the cord uses robust copper conductors and an STW jacket to handle demanding charging and RV power needs while resisting water, heat, and abrasion.

How reliable is this cord for charging an EV or powering an RV?

The POWGRN extension is designed to carry up to 50 amps safely, supporting Level 2 EV charging and standard 50A RV outlets. It is ETL certified and constructed with pure copper conductors and a flame-retardant jacket to maintain conductivity under load.

• 50A, 125/250V rating for up to 6250/12500W capacity
• ETL certification for verified electrical safety
• Pure copper conductors for consistent power delivery

Is this cable suitable for outdoor and all-weather use?

The cable’s STW jacket and IP65 design provide protection against water ingress, UV exposure, and abrasion, making it appropriate for outdoor shore power and charging stations. Materials were chosen to resist corrosion, heat, and flame, extending service life in variable climates.

• IP65 waterproof rating for splashes and outdoor exposure
• Heat- and flame-resistant jacket for safer outdoor use
• Corrosion-resistant components for longevity

How easy is the cord to handle, store, and connect?

POWGRN designed a user-friendly grip and insulated handle so you can plug and unplug without straining the cable or risking hand contact with metal. The cable remains flexible in low temperatures and includes a storage grip to keep the 30-foot length neat and portable.

• Insulated handle with extra space for easier plugging and unplugging
• Flexible at temperatures down to -40°F to prevent cracking
• Included storage grip for tidy transport and stowage

What compatibility and safety checks should I consider before buying?

Confirm that both ends match the sockets you intend to connect—this cord is specifically NEMA 14-50P to NEMA 14-50R and intended for 50A circuits. Never exceed the rated amperage, and ensure the receiving outlet and circuit breaker are properly rated and installed by a qualified electrician.

• Verify outlet and plug types are NEMA 14-50 to avoid mismatches
• Use only with circuits and breakers rated for 50 amps
• Have a qualified electrician inspect installations when in doubt

Who is this for: The POWGRN 30 ft 50A NEMA 14-50P to 14-50R extension cord is aimed at EV owners who need extra reach for Level 2 charging and RV owners requiring a durable shore-power extender. It fits anyone wanting a weatherproof, flexible, and ETL-certified 50-amp cable for outdoor charging or campsite power where a trusted, high-capacity extension is necessary.