FeaturesSmooth, rounded integral bushings in hubs protect conductor insulationAccurately tapped, tapered threads for tight, rigid joints and excellent ground continuityRoomy interiors provide more wiring spaceFurnished with four tapped holes and two close up plugsBoss in rear of box allows for fifth entry, factory or field entries, 1/2 in or 3/4 inSuitable for exposed or concealed installationsMalleable iron boxes offer high tensile strength, ductility, corrosion resistant and impact and shock resistanceCushion fixture hangers are enclosed and gasketed