Image of 189M 4 in. Square Box, Welded, 1-1/2 in. Deep with 10 Knockouts, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket
Image of 189M 4 in. Square Box, Welded, 1-1/2 in. Deep with 10 Knockouts, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket
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RACO: H&M Series Installation
Image of 189M 4 in. Square Box, Welded, 1-1/2 in. Deep with 10 Knockouts, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket
Image of 189M 4 in. Square Box, Welded, 1-1/2 in. Deep with 10 Knockouts, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket
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4 in. Square Box, Welded, 1-1/2 in. Deep with 10 Knockouts, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket

Brand: Raco

Catalog ID: 189M

4 in. Square Box, Welded, 1-1/2 in. Deep with Six 1/2 in. KO's & Four TKO's, Raised Ground, 8 in. #12 Solid Copper Pigtail, UBS, HM Bracket

Designed to enclose electrical wiring, switches, receptacles or lighting fixtures. Constructed from 1/16 in. pre-galvanized steel. 8-32 cover mounting screws assembled. Suitable for use without a bonding jumper in circuits up to 600V.

  • TKO knockout design provides installation flexibilty
  • UBS integrated support provides the bracing on back of box for wall cavities between 2-1/2 in - 6 in. thickness, H/M
  • Welded construction
  • Six 1/2 in. knockouts and four TKO knockouts
  • UL Listed
  • 21.0 cu. in. capacity
  • Raised ground, 8 in. #12 Solid Copper pigtail
  • Acceptable in 2-hour fire rated walls

Product details

General

Bracket Setback

0.375

Bracket Type

M, for Metal or Wood Studs

Catalog Number

189M

Drawn or Welded

Welded

EU RoHS Indicator

Contact Manufacturer

Fire Resistance

Yes

Knockouts

1/2 in;1/2 - 3/4 in Combination (TKO)

Material

Steel

Size

4 in

Type

Box

UPC

050169500019

Wiring System

Conduit

Dimensions

Actual Depth

2.063 in

Cubic Capacity

21 cu.in

Depth

1.5 in

Height

4 in

Raised Ground

Yes

Weight

0.87 lb

Width

5.86 in

Certifications And Compliance

Buy America(n) Qualified

TAA Compliant (All status valid till December 2025)

Certified Listed

UL Listed

Logistics

Carton Quantity

20

Packaging Type

No Packaging

Pallet Quantity

1600

Resources and downloads

Media

Videos

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RACO: H&M Series Installation