All A-51™ fixtures are factory-sealed, no external sealing fittings requiredNew high temperature phenolic connection block in mounting hood has rugged leaf spring contacts loosen two screws, rotate and remove for quick wiringSafe, easy servicing or relamping without disconnecting any wiringWireless fixture unit easily threads off mounting hood for convenient servicing or for immediate exchange with stand-by unitAll joints are flame tightSpecially formulated two-coat baked epoxy enamel provides superior protective finish to resist corrosionNew high temperature glass reinforced phenolic socket block in fixture unit has collector ring and pin that automatically make electrical contact as fixture unit is threaded onto mounting hoodPrismatic configuration on globe interior provides light control while allowing smooth exterior surface for cleaningAll fixtures have aluminum inner reflector for increased lumen efficiencyEasily mount to globe ring with 3 screws