Leviton makes good electrical products sold at many home improvement stores. https://www.amazon.com/Leviton-279-S00-Receptacle-Industrial-Grounding/dp/B01M9FC5AR/ref=sr\_1\_5?keywords=nema+14-50+outlet&qid=1650996122&sprefix=nema%2Caps%2C92&sr=8-5