More reliable contact with wires: clearly marked terminals a safe and secure connection. Accepts only 8, 6 and 4 gauge copper wire (AWG), requires neutral, and is available for 125V or 250V applications and up to 50 amps. High Temperature and Fire Material: No need to worry about overheating or melting, preventing overheating and potential fire hazards. Thickened metal material, high temperature and fireproof material, stainless steel wall panel. Used in industrial environments to replace commercial sockets for better safety and workmanship. INDUSTRIAL-GRADE MORE : This NEMA 14-50 outlet is designed for long-term charging of electric vehicles. Compatible with most power boxes: the flush sockets are fully wireable, significantly reducing installation time. Install it in your garage and you'll works a 120V socket, giving you peace of mind. Wide application: It is specially designed for use in electric vehicles, RVs, dryers, welders, ovens, stoves, plasma cutters and other high-power appliances, providing convenient and reliable power., Weight: 0.4960400895 Pounds, Manufacturer: Wesafrae