Specifications: NEMA 6-50 Receptacle, one power outlet with protective box. Parameters: ETL Listed, 250V, 50A, 2 Pole 3 Wire Grounding Type.Protection class: IP66. AttentionThe reserved thread on the product is metric thread,if you needed,it can achieve IP66 protection level with the M25/M32 metric waterproof connector in the STARELO store. Design: The socket comes with a protective box, which is made of high-quality plastic. When not working, cover the cover to prevent dust from entering, reduce the damage caused by radiation to the human body, and have waterproof function. Applicability: Heavy duty NEMA 6-50 Receptacle for high power tools and appliances such as welders, plasma cutters, electric stoves, etc.