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1-1/2” DEEP, 4” SQUARE (4S) BOX WELDED WITH MKO

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SKU
4SB-MKO

Eaton's 4SB-MKO is a welded 4-in square (4S), 1-1/2-in-deep electrical box made from 0.0625-in-thick pre-galvanized sheet steel. It has 1/2-in and 3/4-in eccentric knockouts, a ground bump, and a 50-lb fixture-support rating. Its specified area classification is ordinary/non-hazardous locations.

  • 4-in square, 1-1/2-in deep
  • Welded pre-galvanized steel
  • 1/2-in and 3/4-in knockouts
  • 50-lb fixture support rating
  • UL Listed
  • Ground bump and jumper-free bonding

Product Overview

Eaton's 4SB-MKO is a welded 4-in square (4S), 1-1/2-in-deep electrical box made from 0.0625-in-thick pre-galvanized sheet steel. It has 1/2-in and 3/4-in eccentric knockouts, a ground bump, and a 50-lb fixture-support rating. Its specified area classification is ordinary/non-hazardous locations.

Technical Specifications

Product information and specifications for the selected item.

SKU: 4SB-MKO

Product Information

BrandEaton
SKU4SB-MKO
CategoryElectrical Boxes

Key Specs

Capacity (cu. in.)22
Box TypeOutlet
Number of Gangs1
Number of Knockouts/Holes16
Knockout/Hole Size (in.)1/2, 3/4
Metallic/Non-MetallicMetallic

Capacity & Configuration

Capacity (cu. in.)22
Box TypeOutlet
Number of Gangs1
Number of Knockouts/Holes16
Knockout/Hole Size (in.)1/2, 3/4
ShapeSquare
NEMA ConfigurationNEMA 1
Knockout bondingSuitable for use without a bonding jumper in circuits above or below 250 V
Eccentric knockout removalEasy removal of both the 1/2-in and 3/4-in knockouts
Clamp provisionNo clamps

Construction & Application

Metallic/Non-MetallicMetallic
ApplicationWall
Work TypeNew Work
MaterialSteel
Color FamilySilver
Sheet-steel thickness and finish0.0625-in-thick, pre-galvanized sheet steel
Fire-resistance listing conditionListing is based on use in a 2-hour fire-rated wall or ceiling
Area classificationOrdinary/Non-Hazardous Locations
Fixture support rating50 lb
Grounding featureGround bump
CertificationUL Listed
ConstructionWelded
Standards typeNEC/CEC
Compliance standardsNEMA Standard OS-1; Federal Spec W-J-800F
Grounding methodGround bump

Dimensions & Weight

Height (in.)1.5
Width (in.)4
Length (in.)4
Weight (lb.)0.72

Product Documents

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