Thomas Betts GUAX47-TB Round Iron Electrical Box

Product Description

The THOMAS BETTS GUAX47-TB is a round, iron electrical box designed for use in hazardous location wiring applications. It features a zinc-plated finish for corrosion resistance and is built to meet stringent safety standards for environments where flammable gases, combustible dust, or ignitable fibers may be present. The box measures 4.38 inches in overall width and 2.69 inches in overall depth, with four 1-1/4-inch knockouts for conduit entry. At 6.8 pounds, this is a heavy-duty enclosure intended for licensed electricians working in industrial and commercial facilities where explosion-proof or dust-ignition-proof installations are required.

This box is suited for hazardous location installations in industrial plants, refineries, grain handling facilities, textile operations, and similar environments. It carries NEMA 7CD, NEMA 4, NEMA 3, and NEMA 9EFG ratings, covering both gas-atmosphere and dust-atmosphere hazardous areas. The enclosure is appropriate for Class I Divisions 1 and 2 Groups C and D, Class II Division 1 Groups E, F, and G, and Class III Divisions 1 and 2 applications. Internal ground screws are included. Licensed electricians and industrial electrical contractors typically install this type of enclosure as part of conduit wiring systems in classified locations.

Key Features

• Round iron construction with zinc-plated finish for durability in harsh environments
• Four 1-1/4-inch knockouts for flexible conduit routing
• Rated for Class I Divisions 1 and 2 Groups C and D hazardous gas atmospheres
• Rated for Class II Division 1 Groups E, F, and G combustible dust environments
• NEMA 7CD, NEMA 4, NEMA 3, and NEMA 9EFG ratings
• Internal ground screws included; UL Listed under UL 514A and UL 886

Compatibility

Designed as an OEM-style replacement or new-installation enclosure for hazardous location electrical conduit systems requiring Class I, Class II, or Class III rated round iron junction boxes with 1-1/4-inch knockout entries.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes governing classified hazardous locations. De-energize all circuits and verify the area is safe before beginning work. Ensure all conduit fittings and sealing requirements for the specific hazardous location class and division are met before energizing. Do not install in wet locations unless all conduit entries are properly sealed and rated fittings are used.