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RACO Extension Ring - Extension Rings for Electrical Boxes
RACOExtension Rings for Electrical Boxes

RACO Extension Ring

The RACO Extension Ring (SKU 665, MPN 665) is a steel extension ring for electrical boxes, designed for single-gang applications. It features a silver finish, with an overall depth of 1.88 inches and an overall width…

SKU 3G-OTH-08962

Brand
RACO
Item
Extension Ring
Part Number
665
Category
Extension Rings for Electrical Boxes
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RACO
Manufacturer Part Number
665
Type
Silver, For 1 Gangs
Material
Steel
Color
Silver
Overall Dp
1.88 in
Overall Wd
2.13 in
Accessory Type
Extension Ring
For Number of Gangs
1

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

Product Description

The RACO Extension Ring (SKU 665, MPN 665) is a steel extension ring for electrical boxes, designed for single-gang applications. It features a silver finish, with an overall depth of 1.88 inches and an overall width of 2.13 inches. This accessory provides additional space within the electrical box for wiring and device installation.

Frequently Asked Questions

What is a RACO Extension Ring used for?

A RACO Extension Ring adds depth to a single-gang electrical box, providing extra space for wiring and device installation. It is commonly used in industrial and commercial settings where box fill capacity must be increased without replacing the entire box.

What are the specifications of the RACO Extension Ring 665?

The RACO Extension Ring 665 is made of steel with a silver finish. It fits 1-gang boxes, has an overall depth of 1.88 inches, and an overall width of 2.13 inches. This accessory is designed to increase wiring space within the electrical enclosure.

Where to buy a RACO Extension Ring worldwide?

3G Electric supplies the RACO Extension Ring 665 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this single-gang steel extension ring.

How to install a RACO Extension Ring on an electrical box?

To install a RACO Extension Ring, first ensure power is off. Remove the existing device and screws from the box. Align the extension ring over the box opening and secure it using the provided screws. Reattach the device and cover plate, then restore power.

Used in

Common applications for RACO
Industrial machinery — RACO liquid-tight connectors (e.g., 3520-3, 3414) terminate flexible metallic conduit at motor and control enclosures.
Water and wastewater treatment — RACO 90-degree liquid-tight connectors (e.g., 3430) route conduit in washdown and outdoor areas requiring liquid-tight terminations.
Commercial electrical raceways — RACO short elbows (e.g., 1/2 in and 3/4 in iron elbows) change direction in IMC and RMC runs per UL 514B.
Panel and equipment wiring — RACO flex screw-in couplings (e.g., 2272) join sections of 1/2 in flexible conduit between machines and junction points.
Raceway transitions — RACO flex-to-EMT couplings (e.g., 1482, 1483) connect flexible conduit to EMT in mixed raceway installations.
Maintenance and repair — RACO conduit fittings and boxes are stocked as spares for replacing damaged terminations and couplings in existing raceways.
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RACO Products

3G Electric supplies RACO extension rings for 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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Steel extension ring for 2-gang electrical boxes, silver finish. Overall dimensions: 4 in length, 4 in width, 1.5 in depth. Used to increase box depth for additional wiring or devices in commercial and industrial installations
RACO
Steel extension ring for 2-gang electrical boxes, silver finish. Overall dimensions: 4 in length, 4 in width, 1.5 in depth. Used to increase box depth for additional wiring or devices in commercial and industrial installations

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