Perma-Tite® 2 plugs and connectors are engineered and manufactured to the highest quality standards to provide the ultimate in electrical service and protection. They are designed and proven to do their best under the worst conditions in a broad array of the most severe food processing, industrial, marine, construction and petrochemical work environments. Ericson® manufacturing company engineers and produces a comprehensive range of plugs and connectors for demanding industrial and construction environments. From the inVention of the first dead front, back-wired electrical plug in 1929 and patent in 1936 to present day innovations such as Perma-Tite® 2 devices that are designed to meet or exceed UL and IEC watertight standards.