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RACO Electrical Box: Steel, Steel - 4" x 4" Square Box Material & Nominal Size - Standard Electrical Boxes
RACOStandard Electrical Boxes

RACO Electrical Box: Steel, Steel - 4" x 4" Square Box Material & Nominal Size

The RACO Electrical Box: Steel is a standard electrical box, model MPN 189, constructed from steel with a nominal size of 4" x 4" square. This square box accommodates 2 gangs and is supplied without clamps and…

SKU 3G-OTH-07372

Brand
RACO
Item
Electrical Box: Steel, Steel - 4" x 4" Square Box Material & Nominal Size
Category
Standard Electrical Boxes
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Technical Specifications

RACO
Manufacturer Part Number
189
Type
Steel - 4" x 4" Square Box Material & Nominal Size, Square
Gangs
2
Clamp Style
Without Clamps
Bracket Style
Without Bracket
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RACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RACO Electrical Box: Steel is a standard electrical box, model MPN 189, constructed from steel with a nominal size of 4" x 4" square. This square box accommodates 2 gangs and is supplied without clamps and without a bracket.

Frequently Asked Questions

What is the RACO 4" x 4" square electrical box used for?

The RACO 4" x 4" square steel electrical box is used for mounting switches, receptacles, or pulling wires in commercial and industrial wiring systems. Its 2-gang capacity supports multiple devices in a single enclosure, and the steel construction provides durability and grounding continuity.

What are the specifications of the RACO electrical box model 189?

The RACO model 189 is a steel electrical box with a nominal size of 4" x 4" square, accommodating 2 gangs. It comes without clamps and without a bracket. The steel material ensures strength and compatibility with standard conduit fittings. This box is suitable for indoor dry locations.

Where to buy the RACO 4" x 4" square electrical box worldwide?

You can source the RACO 4" x 4" square electrical box through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine RACO components for commercial and industrial projects.

How to install a RACO steel electrical box without clamps?

For a RACO steel box without clamps, use separate cable connectors or conduit fittings to secure wiring entering the box. Mount the box to a stud or support using screws through the bracketless sides. Ensure the box is flush with the finished wall surface and grounded per local electrical codes.

Used in

Common applications for RACO
Industrial power distribution — RACO grounding bushings (MPN 1294) for bonding conduit in panelboards and switchgear.
Commercial conduit transitions — RACO reducing bushings (MPN 1155) for downsizing RMC or IMC runs in electrical rooms.
Life safety alarm circuits — RACO steel electrical boxes (MPN 911-9) for housing fire alarm and emergency lighting connections.
Outdoor service entrances — RACO rigid/IMC hubs (MPN 1716) for weatherproof conduit terminations at meter sockets.
Conduit support in cable trays — RACO surface mount clamps (MPN 1304) for securing IMC or RMC to structural steel.
Multi-gang junction boxes — RACO 4-inch square boxes (MPN 189H) with covers for splicing circuits in commercial ceilings.

RACO Products

3G Electric supplies RACO standard electrical boxes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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