FeaturesTapered threaded hubs (NPT)Raintight when used with gasketed coversMalleable iron suitable for use in concreteInterchangeable with competitive productsStainless steel screws on stamped and cast coverSuitable 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 503.10To provide access to conductors for pulling, splicing and maintenanceElectrostatically applied powder coatedCopper free aluminum (less than 4/10 of 1%)