MECMO NEMA L14-30P to 14-50R RV Generator Adapter 30A to 50A Heavy Duty
L14-30P plug delivers a secure 4-prong twist-lock connection for generators.
14-50R outlet provides a dependable RV and EV power interface.
Heavy duty build ensures long-lasting performance under high loads.
Grip handle makes plugging and unplugging fast and easy.
EV compatibility supports Tesla Level 2 charging from generator power.
RV ready powers trailers and campers safely and reliably.
• Converts a 30A NEMA L14-30P locking generator outlet to a 50A NEMA 14-50R RV/EV outlet.
• Supports 125V/3750W or 250V/7500W power for versatile use.
• Features molded plugs, copper wiring, and flame-retardant insulating materials.
• ETL-listed adapter meets safety and performance standards.
• Ideal for charging EVs or supplying RV power when using a portable generator.
Compatibility / Fitment:
• Works with any generator featuring a NEMA L14-30 30A 4-prong locking outlet.
• Accepts RV cords and EV chargers using a NEMA 14-50 plug, including Tesla Level 2.
If Listed as an Open Box item — original packaging may be missing.
If this item has a silver security sticker, please do not remove it — it is required for any return.
I use recycled boxes for shipping when good boxes are available.
Item is in like-new condition with no signs of wear or usage.