Onetak Heavy-Duty Power Adapter (NEMA 14-50P to L14-30R)
The Onetak Heavy-Duty Extension Adapter is a rugged and reliable solution for high-voltage power conversion. This adapter is specifically designed to bridge the gap between a 50 Amp RV/Generator outlet (14-50P) and a 30 Amp Twist-Lock cord (L14-30R).
Whether you are powering a large appliance from a generator or connecting specialized equipment to a high-output power source, this adapter ensures a secure and efficient connection. Its high-visibility yellow jacket and heavy-duty molded construction make it an essential tool for workshops, job sites, and outdoor power management.
Key Features
Rugged Construction: Built with heavy-duty materials to withstand industrial environments, frequent plugging/unplugging, and outdoor conditions.
Twist-Lock Security: The L14-30R receptacle features a locking design to prevent accidental disconnections caused by movement or vibration.
High Visibility: The bright yellow color is designed for safety, making the cord easy to spot in low-light areas or cluttered workspaces to prevent tripping hazards.
Molded Plug & Connector: Features integrated strain relief to prevent wire fatigue and internal arcing at the connection points.
Plug-and-Play Simplicity: No tools required—simply plug the 4-prong 14-50P into your power source and lock your L14-30 cord into the other end.
Technical Specifications
| Feature | Details |
| Brand | Onetak |
| Male Plug | NEMA 14-50P (50 Amp, 125/250V) |
| Female Receptacle | NEMA L14-30R (30 Amp, 125/250V Twist-Lock) |
| Voltage Compatibility | 125V / 250V |
| Color | High-Visibility Yellow |
| Duty Rating | Heavy-Duty / Industrial |
Common Applications
Generators: Connect a 30 Amp transfer switch or distribution box to a 50 Amp generator outlet.
RV & Camping: Adapt a 50 Amp park pedestal to power 30 Amp locking equipment.
Workshops: Power high-voltage machinery or temporary power spiders from a standard 50 Amp welder or range outlet.
⚠️ Safety Note
This adapter allows a 30 Amp device to be plugged into a 50 Amp source. Ensure that the equipment being powered has its own internal over-current protection (circuit breaker) or that the total load does not exceed 30 Amps to maintain safe operation of the connected cord and appliances.
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