Thomas & Betts 59361-3/4 One-Gang Utility Box Extension Ring

Description:

The Thomas & Betts 59361-3/4 One-Gang Utility Box Extension Ring is used to increase the wiring capacity of existing utility boxes in conduit wiring systems. Commonly installed in commercial buildings, industrial facilities, workshops, and electrical retrofit projects, this pre-galvanized drawn steel extension ring adds additional box volume while maintaining a secure enclosure for electrical devices and wiring connections. Electricians, maintenance teams, and electrical contractors use this extension ring for repairs, retrofits, code-compliant box fill corrections, and electrical system expansions.

Applications:

The Thomas & Betts 59361-3/4 is designed for extending one-gang utility boxes where additional conductor space is required. It is used with conduit wiring systems in commercial, industrial, and residential installations to increase box capacity for switches, receptacles, junctions, and branch circuit wiring. Its 3/4-inch conduit knockouts and pre-galvanized steel construction make it suitable for new installations, remodeling, and electrical upgrades.

Technical Specifications:

• Manufacturer Part Number (MPN): 59361-3/4
• Brand: Thomas & Betts (ABB) – Steel City®
• Product Type: One-Gang Utility Box Extension Ring
• Material: Drawn Steel
• Finish: Pre-Galvanized Steel
• Number of Gangs: 1
• Cubic Capacity: 13 cu. in.
• Dimensions: 4 in. L × 2-1/8 in. W × 1-7/8 in. D
• Knockout Size: 3/4 in. Conduit
• Knockout Configuration: (2) Side 3/4 in., (1) End 3/4 in. (8 knockouts total)
• Construction: Drawn Steel
• Color: Silver
• Mounting Style: Fits Standard One-Gang Utility Boxes
• Application: Utility Box Extension for Increased Wiring Capacity
• Standards: UL Listed (File E2969)
• Features: Increases box fill capacity, corrosion-resistant pre-galvanized finish, durable drawn steel construction, multiple conduit entry points, compatible with Steel City® utility boxes, suitable for commercial and industrial electrical installations.

Common Replacements:

• Thomas & Betts 59361-1/2
• Thomas & Betts 68371-3/4
• Thomas & Betts 68361-3/4