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PL1EE is a line of industrial-grade electrical products developed by Hubbell Incorporated. The line includes connectors, junction boxes, plugs, receptacles, and other accessories designed to withstand demanding environmental, corrosive, and mechanical conditions. The PL1EE line is designed to meet the requirements of the National Electrical Manufacturers Association (NEMA) and the Underwriters Laboratories (UL) standards. PL1EE products are tested to ensure optimal performance and safety, including shock and vibration testing, high temperature and humidity tests, and outdoor weathering exposure. They come in a variety of colors, configurations, and sizes to suit industrial applications.