Appleton® GRL50M Unilets™ GR Series Explosionproof Conduit Outlet Box With Internal Ground Screw and O-ring, 1/2 in, 18 cu-in

Explosion Proof Conduit Outlet Boxes
739663 MFG #: GRL50M
Appleton™
81.31000 / ea
Appleton Group's explosionproof conduit outlet boxes for NEC and CEC governed locations feature generous interior space, accurately tapped and tapered hub threads for a rigid joint and reliable ground continuity, and smooth integral bushings to protect conductor insulation from damage. They are available in a wide variety of sizes, styles, materials and hub configurations, all designed for ease of installation and reliable safety in locations exposed to explosive atmospheres or flammable dusts.
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  • Features
Dust-ignitionproof and corrosion-resistant for use in a wide range of harsh industrial environments and classified hazardous locations
GR boxes offers ten hub arrangements
Accurately tapped, tapered hub threads for tight, rigid joints and ground continuity
General purpose wiring
Function as sealing fittings when used with sealing covers
Internally threaded body with externally threaded cover
Accommodate sealing, dome, hub and union hub covers, and canopies
Standard O-rings provide raintight fit
Internal grounding screw standard
Smooth, rounded integral bushing in each hub type box protects conductor insulation
Form 1
(2) GRL external hub
Style L
Hub location (2) side
Round shape
Malleable iron bodies have high-tensile strength and ductility, provides great resistance to corrosion, impact and shock
Furnished with covers
Covers have pry notches for bar or wrench
Malleable iron body and cover
Triple Coat-Zinc electroplated/chromate/epoxy powder coated