Cut Sheet

Class I, Division 1 and 2, Groups B, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 3, 4
Enclosures and Junction Boxes
ENCLOSURES AND JUNCTION BOXES: HAZARDOUS LOCATION CONDUIT OUTLET BOXES
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© November 2011
502
Hub Type
Conduit Size
(Inches)
Cover Opening
Inches/Millimeters
Capacity
in
3
/dm
3
Form
Number }
Catalog Number {
Malleable Iron |
Body With
Aluminum Cover
Aluminum
Body with
Aluminum Cover
(3'$
    GRFC50 GRFC50-A
    GRFC75 GRFC75-A
    GRFC100 GRFC100-A
(3'-
    GRFL50 GRFL50-A
    GRFL75 GRFL75-A
    GRFL100 GRFL100-A

(3'5
    GRFT50 GRFT50-A
    GRFT75 GRFT75-A
    GRFT100 GRFT100-A
(3'9
    GRFX50 GRFX50-A
    GRFX75 GRFX75-A
    GRFX100 GRFX100-A
Dimensions
 In Class I, Division 1, Group B atmospheres, all conduit runs must have a sealing fitting (not supplied) field-installed adjacent to the enclosure.
{ Other covers available—see GR and GRF Conduit Outlet Box Covers page. Order separately
| For malleable iron body and cover, add suffix -M.
} Form number designates body and matching cover sizes. To order body without cover, add suffix -LC to catalog number.
GRF Flanged Conduit Outlet Boxes
Explosionproof, Dust-Ignitionproof
UNILETS
®
for use with Threaded Metal Conduit. Furnished with Internal Ground Screw and O-Ring.