The APPLETON GRHLB50 unilet is a 1/2" outlet box with cover, constructed from malleable iron with a triple-coat finish for corrosion protection. It provides a 90-degree junction and termination point for branch circuits in RMC and IMC conduit systems. Furnished with internal ground screw and O-ring, these boxes are suitable for indoor and outdoor classified locations.
Explosionproof and dust-ignitionproof
Malleable iron body provides resistance to corrosion, impact, and shock
Accurately tapped, tapered hub threads for tight, rigid joints and ground continuity
Product Highlights
This explosionproof and dust-ignitionproof outlet box is ideal for use in hazardous locations where flammable gases, vapors, or combustible dusts may be present.
Product Information
Standard Information
Brand: APPLETON
Manufacturer Part Number: GRHLB50
Country of Origin: United States
Technical Specifications
Material
Malleable Iron
Diameter
1/2 in
Brand
APPLETON
MPN
GRHLB50
Country of Origin
United States
Category
Business & Industrial
Body Style
LB
Brand Name
Appleton
Brand Part Number
GRHLB50
Capacity
13.8 cu-in
Conduit Type
RMC / IMC
Finish
Triple Coated
Fitting Type
Outlet Box
Hazard Rating
Dust-Ignitionproof / Explosionproof
Hazard Rating Specs
Class I, Division 1, Groups A, B, C, D, Class III, Class II, Division 1, Groups E, F, G, UL 886
Includes
Internal Ground Screw, O-Ring, Bonding Screw
Specifications Met
Class III, Class II, Division 1 And 2, Groups E, F, G, UL 886, UL File Number E10444, CSA C22.2 No. 25, C22.2 No. 30, CSA 013017 Certified, Class I, Division 1 And 2, Groups A, B, C, D
Trade Size
1/2"
Product Series
GRH
Manufacturer Part Number
GRHLB50
Manufacturer
Appleton
Family Series
Appleton Electrical Boxes, GRH Series
Connection Type
Threaded
Shape
LB
Number of Hubs
2
Composition
Iron
Cover Composition
Aluminum
Cover Included
Yes
Cover Type
Blank
Gasket Included
Yes
Protection Rating
Indoor, Outdoor
Approvals
CSA, UL
Comments
Corrossion, impact & shock resistance
Number Of Outlet
2
Electrical Category
Electrical Boxes And Enclosures
Electrical Subcategory
Utility Boxes
Application
For Use With Threaded Metal Conduit
Cable Entry
(2) 1/2 IN GRHLB Hub
Cubic Capacity
13.8
Knockouts
No
Size
1/2
Special Features
Explosionproof, dust-ignitionproof; Malleable iron bodies have high tensile strength and ductility, provides great resistance to corrosion, impact and shock; Accurately tapped, tapered hub threads for tight, rigid joints and ground continuity; Furnished wi
Standard
UL 886, UL File Number E10444, CSA C22.2 No. 25, C22.2 No. 30, CSA 013017 Certified, Class I, Division 1 And 2, Groups A, B, C, D; Class II, Division 1 And 2, Groups E, F, G; Class III