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RACO Electrical Box: Steel, 1 Gangs, 2 1/2 in Box Dp, 2 3/16 in Box Wd - Masonry Electrical Boxes
RACOMasonry Electrical Boxes

RACO Electrical Box: Steel, 1 Gangs, 2 1/2 in Box Dp, 2 3/16 in Box Wd

The RACO 688 is a steel masonry electrical box, a 1-gang unit with a box depth of 2 1/2 inches, a box width of 2 3/16 inches, and a box height of 3 7/8 inches. This model is supplied without clamps and without a bracket.

SKU 3G-OTH-07737

Brand
RACO
Item
Electrical Box: Steel, 1 Gangs, 2 1/2 in Box Dp, 2 3/16 in Box Wd
Category
Masonry Electrical Boxes
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RACO
Manufacturer Part Number
688
Gangs
1
Box Dp
2 1/2 in
Box Ht
3 7/8 in
Box Wd
2 3/16 in
Clamp Style
Without Clamps
Bracket Style
Without Bracket

Technical Documents

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RACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RACO 688 is a steel masonry electrical box, a 1-gang unit with a box depth of 2 1/2 inches, a box width of 2 3/16 inches, and a box height of 3 7/8 inches. This model is supplied without clamps and without a bracket.

Frequently Asked Questions

What is the RACO 688 electrical box used for?

The RACO 688 is a steel masonry electrical box designed for embedding in concrete or block walls during construction. It provides a secure enclosure for wiring devices in commercial and industrial buildings, protecting connections from moisture and physical damage.

What are the specifications of the RACO 688?

The RACO 688 is a 1-gang steel masonry box with a depth of 2 1/2 inches, width of 2 3/16 inches, and height of 3 7/8 inches. It comes without clamps and without a bracket, making it suitable for applications where internal cable clamps are not required.

Where to buy the RACO 688 in worldwide?

3G Electric supplies the RACO 688 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this masonry box to any country.

How to install the RACO 688 masonry box?

Install the RACO 688 by securing it to rebar or formwork before pouring concrete. Ensure the open face is flush with the finished wall surface. Use appropriate conduit connections to the knockout openings. Follow local electrical codes for box fill and grounding requirements.

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 masonry 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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