The Iberville 4-inch steel electrical box extension is built for professional electricians and contractors who need reliable, code-compliant solutions on the job site. Whether you're extending a flush-mounted box to accommodate thicker drywall, tile, or panelling, this single-outlet steel extension delivers the cubic capacity and knockout flexibility to get the job done right. Rated to CSA 5043 standards and constructed from durable silver-finish steel, it's a dependable choice for residential and light commercial rough-in work where precision and compliance matter.

Specifications

Number of Outlets 1
Material Steel
Colour Silver
Cubic Capacity 16.5 cu in
Knockouts 8
Brand Iberville
Standard CSA 5043
Dimensions 4 in H × 2-3/8 in W × 1-7/8 in D