FeaturesTapered threaded hubs (NPT)Raintight when used with gasketed coversInterchangeable with competitive productsSuitable for use in hazardous location applications when installed according to NEC articles 501.10(b), class I, division 2, (suitable for use in class I zone 2 applications) 502.10 and 503.10Flat backCopper free aluminum (less than 4/10 of 1%)Electrostatically applied powder coated