- Application: Electrical
- ARRA Compliant: C
- Buy American Compliant: C
- Cable Entry: Knockouts
- Capacity: 22.5 in³
- Catalog Number: 187
- Color: Silver
- Construction: Drawn
- Country of Origin: US
- Cubic Capacity: 22.5 in³
- Currency: USD
- EU RoHS Indicator: C
- Finish: Pre-Galvanized
- Gross Volume Per Pack: 25.01
- Gross Volume per Pack Metric: 409.81
- Gross Volume UOM: CI
- Gross Volume UOM Metric: cm3
- Gross Weight Per Pack: 0.5800 lb
- Gross Weight per Pack Metric: 0.26
- Gross Weight UOM Metric: kg
- Harmonization Tariff Schedule Code: 7326908688
- Height: 4.00 in
- Height [Metric]: 10.1600 cm
- Knockout Size: 1/2 in, 3/4 in
- Length [Metric]: 3.9700 cm
- Mounting: No bracket
- Mounting Type: Surface
- Number of Knockouts: 12
- Returnable: Y
- Shape: Squared
- Size: 4 IN in
- Standard: UL
- Standards: ARRABuy American Act CompliantUL File No E195978
- Type: 4 IN square extension
- UNSPSC: 39121320
- UPC 11: 05016900187
- UPC 12: 050169001875
- Width [Metric]: 10.1600 cm
- Stock Status: NORMALLY STOCKED
- Brand: Raco®
- Manufacturer: Hubbell
- Depth: 1.56 in
- Length: 1.56 in
- Material: Steel
- Number of Gangs: 2
- Width: 4.00 in
4SQ EXT SWXBX 1-1/2DP 1/2&3/4KO DRW
- Data Sheet 1 URL - Hubbell_187_Data_Sheet.pdf(Data Sheet 1 URL)
- Line Drawing URL - 11275_469A1XRY38LCMHID.pdf(Line Drawing URL)
- Line Drawing URL - RACO-drawn-steel-box-infographic.pdf(Line Drawing URL)
- Safety Data Sheet URL - Hubbell-RACO_MSDS_for_Steel_Boxes_and_Covers.pdf(Safety Data Sheet URL)
- Safety Data Sheet URL - IDW_DOCUMENT_1511873620078.pdf(Safety Data Sheet URL)
- Seller Home Page URL - en(Seller Home Page URL)
- Spec Sheet URL - 11275_59050.pdf(Spec Sheet URL)
- Spec Sheet URL - 187.pdf(Spec Sheet URL)
- Warranty URL - 11275_ID-WAR-v1-Distributor_Terms_and_Conditions.pdf(Warranty URL)
- Warranty URL - PRO-003_TERMS.pdf(Warranty URL)
- Applications
- Features
| Electrical |
| Combination screw heads provide for faster installation |
| Extension rings provide a means for adding cubic capacity or as an outlet box for surface conduit |
| Combination screw heads provide for faster installation |
| RACO® 187 can be positioned to accommodate one or two switch boxes |
| Fire resistance - acceptable for use in 2 hr rated walls |
| Conduit wiring system |
| No bracket |
| Drawn configuration |
| (8) 1/2 in and (4) 3/4 in side knockouts |