FeaturesEnclosures have external mounting lugs for ease of mountingSmooth, rounded integral bushing in each hub protects conductor insulationEnclosures furnished with internal ground screwSmooth ground mating surfaces assure flame-tight joint between cover and mounting enclosureStainless steel hex head cap screws for attaching cover to mounting enclosureChoice of front operating or side rocker arm handle-each may be locked in ON or OFF positionEach handle has close-tolerance threaded stainless steel shaft to meet explosion proof requirementsFor use in classified areas where ignitable vapors, gases or highly combustible dusts are presentExplosion proof dust-ignitionproof