Robust Specifications: Equipped with a NEMA 14-50R receptacle, this power outlet box is designed to support 50A welding machines, electric vehicles, and RV cords. Its sturdy construction ensures compatibility with high-power devices, providing a reliable power source. Advanced Safety Features: this 50Amp, 125/250Volt power outlet offers 3-pole 4-wire grounding and IP66 protection, ensuring it stands up to harsh weather conditions while keeping safety . Ideal for outdoor use, it prevents dust and water ingress, maintaining operational integrity. Customizable Installation: Featuring metric threads for secure cable connections, this power box supports M25/M32 cable glands store. These accessories enhance the IP66 waterproofing capabilities and minimize wear on cable connections, extending the lifespan of your installation. Innovative Design: Constructed from high-quality PP and PVC materials, this power socket protection box offers a yet robust alternative to traditional iron boxes. It provides excellent weatherproof and rustproof protection, ensuring durability and cost-effectiveness. Versatile Utility: This high-duty NEMA 14-50R receptacle is perfect for a variety of applications, including high-power electric tools and appliances. It's an ideal replacement for home or outdoor sockets, enhancing electrical safety and compatibility with most recreational vehicles, electric vehicles, generators, and welding machines. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: As Shown Material: plastic Package Contents: 4 x RV Power Outlet Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.