POWGRN NEMA 14-50P to 14-50R 15 ft 50A RV/EV Extension Cord — Weatherproof, STW Jacket

This 15-foot extension cable converts a NEMA 14-50P male plug to a NEMA 14-50R female receptacle and is engineered to carry up to 50 amps at 125/250 volts. It’s designed for EV owners and RV users who need a reliable, portable connection for Level 2 charging or high-power campsite circuits. Constructed with a flexible, STW-rated jacket and pure copper conductors, the cord balances electrical capacity with durability for outdoor environments.

How does this cord support Level 2 EV charging and RV power needs?

The POWGRN extension is rated for 50 amps and compatible with common Level 2 EV systems and 50A RV shore power. It provides the amperage and voltage range necessary for faster home or campsite charging and heavier RV loads without overtaxing the wiring.

• 50A maximum current at 125/250 V for up to 6,250–12,500 watts depending on configuration
• NEMA 14-50P male to NEMA 14-50R female for direct compatibility with many EV chargers and RV outlets
• STW-rated cable for higher-duty applications

Is the cord durable enough for outdoor and seasonal use?

The cable is built to resist weather, abrasion and temperature extremes so it performs outdoors year-round. The jacket offers IP65-level weather resistance and materials rated for heat, corrosion and flame resistance to reduce wear and maintenance needs.

• IP65 waterproofing to defend against rain and splashes
• Wear- and corrosion-resistant jacket for prolonged outdoor exposure
• Flame-retardant and heat-resistant construction for safety under load

How user-friendly is the design for plugging, unplugging and storage?

POWGRN added ergonomic touches so everyday use is safer and easier. Oversized insulated handles protect your hands while providing extra leverage, and the cable stays flexible at very low temperatures to minimize stress when coiling or routing.

• Insulated, roomy handles for easier plug/unplug without damaging the cord
• Flexible jacket rated to remain pliable down to -40°F for cold-weather use
• Includes a grip-style storage strap to keep the cable neat and portable

What safety certifications and material details should I know?

The extension cord uses pure copper conductors and meets ETL certification standards, offering independent verification of electrical safety and performance. Always confirm plug type compatibility with your vehicle or charger before use to prevent mismatches.

• Pure copper conductors for consistent conductivity and durability
• ETL-certified to industry safety standards for electrical products
• Recommended to verify plug compatibility to avoid improper connections

Who this is for: This POWGRN 15-foot NEMA 14-50P to 14-50R extension cord is aimed at EV owners who need a durable, portable Level 2 charging lead, RV travelers requiring reliable shore power extension, and anyone who wants a weatherproof, high-capacity cable for outdoor electrical hookups. Choose this cord if you need a 50-amp-rated, ETL-listed solution that balances heavy-duty performance with user-friendly handling and secure outdoor protection.