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Orbit

Orbit 4 in Square 1-1/2 in Deep 4S Square Steel Box 1/2 in and 3/4 in Mixed Knockouts FB Bracket 4SB-MKO-FB

Orbit 4 in Square 1-1/2 in Deep 4S Square Steel Box 1/2 in and 3/4 in Mixed Knockouts FB Bracket 4SB-MKO-FB

Regular price $2.86
Regular price Sale price $2.86
Sale Sold out

SKU:4SB-MKO-FB

Quantity

Product Overview

Orbit 4SB-MKO-FB is a 4S Square Steel Box used for commercial switch, receptacle, fixture, and junction box rough-in. It includes 4 in square, 1-1/2 in, 1/2 in and 3/4 in mixed knockouts, FB bracket for correct product selection.

Key Features

  • 4 in square welded box
  • 1-1/2 in depth
  • 21 cu in
  • 1/2 in and 3/4 in mixed knockouts
  • FB bracket
  • fixture/luminaire support up to 50 lb or less

Technical Specifications

Brand Orbit
Model / SKU 4SB-MKO-FB
Product Type 4S Square Steel Box
Shape 4 in square
Depth 1-1/2 in
Box Volume 21 cu in
Dimensions 4 in W x 4 in H x 1-1/2 in
Knockouts 1/2 in and 3/4 in mixed knockouts
Bracket Type FB bracket
Finish Galvanized
Material 16 GA sheet steel
Manufacturing Process Welded
Mounting Type 4S square box rough-in mount
Location Rating Dry location
Certifications UL, RoHS; UL File E227970
Manufacturer Part Number 4SB-MKO-FB

Applications

  • 4S square box installations
  • switch and receptacle rough-in
  • commercial wall and ceiling wiring
  • fixture and device box layouts
  • new construction electrical work
  • contractor stock

Compatibility and Installation Notes

Confirm the model number, depth, knockout pattern, clamp type, bracket style, device opening, and local electrical code requirements before ordering Orbit 4SB-MKO-FB. Installation should be completed by qualified electrical personnel with proper grounding, box-fill verification, and fixture or device support checks.

Why Buy From Best Buy Electric

Best Buy Electric lists Orbit 4SB-MKO-FB with contractor-ready specifications, clear product data, and competitive pricing for service work, maintenance stock, and new construction purchasing.

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