GR120A3 Macromatic Relays, GR Series

• Explosionproof, dust‑ignitionproof
• Ten hub arrangements with integral mounting flange and covers
• Malleable iron bodies have high tensile strength, ductility and provides great resistance to corrosion, impact, and shock
• Accurately tapped, tapered hub threads for tight, rigid joints and ground continuity
• Internally threaded body with externally threaded cover
• Covers have pry notches for bar or wrench
• Accommodate sealing, dome, hub and union hub covers, and canopies
• Standard o‑rings provide raintight fit; NEMA 3, 4
• Internal ground screw standard
• Smooth, rounded integral bushing in each hub type box protects conductor insulation
• Used with threaded metal conduit for general purpose wiring
• Function as sealing fittings when used with sealing covers

Appleton explosionproof and dust‑ignitionproof GR conduit outlet boxes are furnished with internal ground screw and O‑ring. They are ideal for use in indoor and outdoor classified locations. These corrosion‑resistant outlet boxes provide access for maintenance, allow the connection of different lengths of conduit, and for changing the direction of conduit.