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18 Cu. In. Round Plastic Old Work Switch Box – With or Without Ground Clip
These 18 cubic inch round plastic switch boxes are designed for old work (retrofit) installations in existing walls or ceilings. Made from high-strength, non-metallic thermoplastic, they offer excellent durability, corrosion resistance, and electrical insulation.
-
PSBR18-OW: Standard version with integrated mounting clamps for a secure and easy installation.
-
PSBR18G-OW: Same features as the standard model, but includes a grounding clip for use in grounded wiring systems.
| SKU Variant | Weight | Diameter | Height | Width | Depth | Length |
|---|---|---|---|---|---|---|
| PSBR18-OW | 0.22 lbs | 4.38″ | 4.38″ | 4.38″ | 2.68″ | — |
| PSBR18G-OW | 2.16 lbs | — | 4.38″ | 4.38″ | 2.68″ | 2.75″ |
Manufacturer Resources
PSBR18-OW
Product Specs
- Box Shape:
- Round
- Product Type:
- Switch Box
- Special Feature:
- With Ground Lug (PSBR18G-OW)
- Applications:
- Installing round electrical boxes in existing walls
- Cubic Capacity:
- 18 cu in
- Gang Options:
- 1-Gang
- Mounting Feature:
- Old Work
- Product Group:
- Electrical Boxes
- Product Subgroup:
- Junction Boxes
- Cable Entry:
- (4) Clamps
- Product Material:
- Plastic
Centaur PSBR18-OW – Frequently Asked Questions
How fast can I get the Centaur PSBR18-OW delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Centaur PSBR18-OW come with a warranty?
Absolutely. The Centaur PSBR18-OW is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Centaur PSBR18-OW?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Centaur PSBR18-OW from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.