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4 Inch Round Ceiling Box

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4\'\' Round Ceiling Box with two captive mounting nails and four Auto/Clamps. It is constructed of impact-resistant Noryl thermoplastic, making it virtually unbreakable and non-conductive. Its depth-mounting gauge at bottom of bracket helps you align the box at the proper depth relative to the ceiling. 50 pack.
Color Black

In Stock



  • Auto/Clamp cable clamps molded in, hold wire securly in box.
  • UL Listed for fixture support.
  • For covering patents, see www.legrand.us/patents.


General Info
Color Black
UPC Number 785007206975
Country Of Origin United States
Product Line Pass & Seymour
Construction Thermoplastic
Standard UL Listed
Cubic Capacity 20.25 cu in
Additional Information
Product Environmental Profile Yes
Technical Information
Cable Entry No in
Number of Outlets 1
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Can this box be support with one screw through the back of the box without using the 2 support holes What would the screw hole in the back of the box be used for

Asked by: JR697
To obtain it's UL listing, we can only recommend mounting the box per it's design with the side screws.
Answered by: Legrand Technical Support
Date published: 2021-05-03

Is this box fire rated?

Asked by: Tiny
Yes it is.found answer myself. Most of the boxes are 2hr fire rated
Answered by: Tiny
Date published: 2020-01-15

Is this box listed and rated for ceiling fans?

Asked by: LightsOn81
This box is rated for up to a 50 pound fixture with mounts 2.75" or 3.5" apart.
Answered by: Legrand Techincal Support
Date published: 2020-12-18

What is the weight limit for a S1-20-RAC

Asked by: Doug
Good Morning, This is rated for up to a 50 lb fixture. Hope this helps!
Answered by: Tech Support
Date published: 2018-08-07
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