RACO 187 Drawn 1-1/2-Inch Deep 4-Inch Square Electrical Box Extender for Switch Boxes with (8) 1/2-Inch & (4) 3/4-Inch Side Knockouts
- Positioned to accommodate 1-2 switch boxes
- Combination screw heads allow quick installation
- Drawn construction
- Eight 1/2 in. knockouts and four 3/4 in. knockouts
- UL listed for your safety and peace of mind
- 22.5 cu. in. capacity
- UPC barcoded
Estimated shipping
Select a product to estimate shipping.Enhance your electrical installations with RACO 4 in. square electrical box extender, designed to provide additional cubic capacity for complex setups. Measuring 1-1/2 inches in depth, it includes eight 1/2 inch and four 3/4 inch knockouts, making it versatile for various switch box configurations. Perfectly suited as an outlet box for surface-mounted conduit, this extender is crafted from robust 1/16 inch pre-galvanized steel, ensuring durability and reliability in any electrical setup. Ideal for both residential and commercial applications, this product simplifies installation while accommodating more wiring and components.
About Us
RACO is one of the leading manufacturers of steel electrical boxes, covers, and commercial fittings. One of the oldest brands in the electrical industry, our name is synonymous with quality and innovation. One of our innovative features found on our steel boxes are TKO Knockouts. TKO Knockouts provide greater flexibility with combination 1/2 in. and 3/4 in. knockouts. In 1921 Walter Roach and Ernest Appleton formed the Roach Appleton Manufacturing Company near Chicago, IL. In 1951, the Union was established at the facility. In 1972, the official name of RACO was adopted. Hubbell (Delaware) acquired the company in 1981. As we approach 100 years, RACO continues to focus on innovation and quality.
Product details

Especificaciones
| Main Specification | |
|---|---|
| Medida de especificación | Ul Listed, Fire Rated |
| Componentes incluidos | Calefacción eléctrica, Rough Electrical, electrical-outlet-boxes |
| Fabricantes | Productos eléctricos Hubbell |
| Cuenta de unidad | 1 Cuenta |
| Marca | RACO |
| UPC | 050169001875 |
| Número de artículos | 1 |
| Capacidad | 22.5 cubic inches |
| Dimensiones del producto | 1.5"D x 4"W x 4"H |
| Material | Acero de aleación |
| Color | Gray |
| Tipo de acabado | Acero |
| Tipo de instalación | Muro montado |
| Estilo | Plaza |
| Número de identificación del comercio mundial | 00050169001875 |
| Technical Details | |
|---|---|
| Número de la parte | 187 |
| Item details | |
|---|---|
| Nombre del tipo de elemento | Raco Drawn Extension Ring, 22.5 Cu-In, 4 In L X 4 In W X 1-1/2 In D |
| Número de modelo | 187 |
| Measurements | |
|---|---|
| Dimensiones del elemento D x W x H | 1,5"D x 4"W x 4" H |
| Otros | |
|---|---|
| Tipo de producto | Raco Drawn Extension Ring, 22.5 Cu-In, 4 In L X 4 In W X 1-1/2 In D |
| Etiquetas | |
|---|---|
| Etiquetas | |


