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3.75-inch Round Old Work Box

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3 3/4-inch Round Old Work Box with Swing brackets for mounting that adjust from 1 1/4-inch down to 1/8-in. Four Auto/Clamps, Includes Device mounting holes. 50 pack.
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Features

  • Box designed so mounting strap of the device, with plaster ears removed, fits flush, allowing use of standard depth wall plate without unsightly gap between plate and wall surface.
  • Swing out wing brackets permit installation of box in wall with 1 1/4 inch thick wallboard down to 1/8 inch thick paneling.
  • New longer swing brackets have greater reach to clamp onto oversize cutouts.
  • Made of high impact thermoplastic.
  • Combination slotted/Phillips head swing bracket screws.
  • Include exclusive Auto/Clamp feature.
  • Suitable for in-wall use.
  • Suitable for in-ceiling use for supporting weights up to up to 6 lbs.
  • Includes device mounting holes.
  • For covering patents, see www.legrand.us/patents.

Specifications

General Info
Product Line Pass & Seymour
Color Black
UPC Number 785007206876
Country Of Origin United States
Construction Noryl Thermoplastic
Features Recessed, Swing Out
Application Sector Residential/Commercial
Standard UL Listed
Type Ceiling Box, Wall Box
Additional Information
RoHS Conformant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
Product Environmental Profile Yes
Listing Agencies / 3rd Party Agencies
cULus ListingNumber  E143223
cULus Listed  Yes
Technical Information
Indoor/Outdoor Indoor
Mounting Type Screw-on Mount

Reviews

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Questions & Answers

What are the dimensions of this box? The drawing provided above is too small to read. If the box is actually 3-3/4" wide and the installation instructions say to cut a 3-3/4" round hole in the ceiling then there would be no material to hold it in place.

Asked by: jcharp27
Thank you for your inquiry. Please review the following information: Dimensions - Diameter 3 3/4 | Depth 2 11/16 Old Work Ceiling Box (Part #: C118WAC) 1. Cut a 3-3/4" round hole in the ceiling using either a hole saw or a hand saw (you may also place the back of the box against the ceiling and draw a pencil line around it). 2. Insert nonmetallic cable (stripped or unstripped) into the Auto/Clamp® cable entry. 3. Pull cable through to desired length. The cable is automatically secured without the need to install separate clamps. 4. Insert the box into the ceiling with swing bracket flat to the box. Turn screw clockwise with screwdriver, which will turnthe swing bracket to upright position, and tighten until snug against the ceiling. (Swing out brackets permit installation of box in ceilings 1-1/4" down to 1/8" thick).
Answered by: Justin
Date published: 2024-06-06

If the C118WAC was mounted in the ceiling to a structural member with 4 #8 1" screws through the bottom of the box, would this allow me to increase the fixture weight of the box?

Asked by: franklin2022
The C118WAC box can be rated above 6 pounds but below 50 pounds for in wall use only. "Old work boxes" Can NOT support a fixture of 50 pounds or more in a wall. Can NOT support a fixture of more than 6 pounds in a ceiling.
Answered by: Legrand Technical Support
Date published: 2022-03-11

can you give me the center to center measurement of the holes that a fixture mounts to?

Asked by: Randy
The center to center measurement of the mounting screw holes is 3.281"
Answered by: Legrand Technical Support
Date published: 2020-11-21

Can you send a detailed dimensioned drawing? Concerned with how far the wings spread fully opened. Replacing a fixture that was installed with no box. Feed is attached to stud; center line of mounting space is only 3/4" off the stud.

Asked by: Mr. B
The dimensional drawing is attached for the ceiling box
Answered by: Legrand Technical Support
Date published: 2024-02-01

Someone needs to look at something with the C118WAC. It no longer fits in a 3 3/4 hole. The plastic for the support of the swing brackets is enlarged from what it used to be, making it no longer for in the hole.

Asked by: wirepig
We will have our Engineering department look into this and thank you for notifying us.
Answered by: Legrand Technical Support
Date published: 2020-02-12

Is the C118WAC rated for luminaire support when installed in a ceiling. (5/8 Drywall, Truss framing 24o.c)

Asked by: sparky171684
The C118WAC is not rated for Luminaire support. It is Suitable for in-ceiling use for supporting weights up to up to 6 lbs.
Answered by: Legrand Technical Support
Date published: 2019-07-02

What is the weight rating of the fixture?

Asked by: Longhorn
The C118WAC is rated for up to six pounds.
Answered by: Legrand Techincal Support
Date published: 2019-01-02

Where do I find this product is 2 hours Fire Rated? Please send me the Spec.

Asked by: Andrea
Thank you for your inquiry regarding our round old work box. This product does not have a 2 hour fire rating. We can send you the UL file outlining which boxes have the 2 hour fire rating if you email us at tech.support@legrand.us. Hope this helps!
Answered by: Legrand Technical Support
Date published: 2021-01-28
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