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Direct Mount Electrical Box

33303 Pass and Seymour
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Standard 16 cu.in. metal electrical box, 36-Pack For retrofit applications, the 33303 electrical box can be mounted beside, below, or between the joists.It has been designed to support ceiling fans up to 70 pounds or lighting fixtures up to 150 pounds.
Color Black
Application Sector Commercial
  • Commercial
Length 5 m
  • 5 m
Where To Buy
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Features

Features

  • Direct mount to joist.
  • UL listed for fan and fixture support.
  • Peel-off tape for ''hands-free'' installation.
  • Broadest line available, from shallow to deep boxes.
  • Ground screw pre-installed.
  • Supplied with hardware.
  • Boxes include top knockouts. :
Specifications

Specifications

General Info
Color Gray
Type Ceiling Box
Material Cold Rolled Steel
Application Sector Commercial, Residential
Product Line Pass & Seymour
Country Of Origin China
Features Fan Rated, Fixture Rated
Installation Location In-Ceiling
Number of Knockouts 4
Warranty Type 1-Year Limited Warranty
Dimensions
Product Depth US 1.5 in
Cubic Capacity 16 in³
Technical Information
Box Shape Round
Cable Entry Back, Side
Fan Rating 70 lb
Indoor/Outdoor Indoor
Mounting Type Stud Mount
Number of Gangs 1
Resources
Reviews

Reviews

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Questions & Answers

Questions & Answers

Can the 22202 fan brace be used with I truss style ceiling joists?

Asked by: Bob
Hello Bob, Please give us a call in Technical Support to discuss your application. You can reach us at 1-844-957-3783
Answered by: Wiremold Tech Support
Date published: 2025-11-03

how are you supposed to fix anything to this box? It doesn't come with any screw holes/threads to screw into.

Asked by: Andy Lomas
It is designed for use with our 33300 Brace, which has the mounting hardware: https://www.legrand.us/networking/fiber-optic-cables/9-125-duplex-single-mode-os2-fiber-optic-cables/retrofit-braces/p/33300
Answered by: Legrand Technical Support
Date published: 2025-11-03

Can this be used in a mobile home with 2x2 trusses?

Asked by: jonnyz
Trusses are the ceiling joists, so as long as they are dimensional solid lumber like a 2 x 6 okay. Not tested for use with laminated beams
Answered by: Legrand Technical Support
Date published: 2025-11-03

Can the 33310 product be used to install a fan box with truss construction in the ceiling as opposed to full wooden joists? I do not have access from above.

Asked by: Steve
Trusses are the ceiling joists, so as long as they are dimensional solid lumber like a 2 x 6 using the 33310 ceiling box is okay for that application
Answered by: Legrand Technical Support
Date published: 2025-11-03

Can this be used with a longer box to accommodate thick ceiling substrate? If so what boxes are compatible? I have 2in ceiling substrate.

Asked by: jmd
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