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    50 Products

    Extenders with Knockouts for Steel Switch Boxes

    Image of Product. Front orientation. Outlet Box Extenders. Extenders with Knockouts for Steel Switch Boxes.
    Add wiring depth to a standard single-gang steel switch box without replacing it. These rectangular raised covers mount over the box to give you room for additional conductors or device connections. All covers are UL Listed and made of zinc-plated steel for corrosion resistance in dry indoor locations.
    Rectangle
    Outlet Box
    Designation
    No. of
    Knockouts
    Knockout
    Trade Size
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Certification
    Each
    1 Gang
    81/2
    4"2"1 7/8"13Zinc-Plated SteelUL Listed, C-UL Listed
    71695K2800000
    1 Gang
    81/2
    4"2 1/8"1 1/2"11.5Zinc-Plated SteelUL Listed
    71695K250000
    Covers

    Extenders with Knockouts for Steel Outlet Boxes

    Add depth to your outlet box. These extenders mount over existing steel outlet boxes to provide additional wiring space. Use them when boxes are set too far back from the finished wall surface. All are UL Listed and made of zinc-plated steel for corrosion resistance.
    Square
    Image of Product. Front orientation. Outlet Box Extenders. Extenders with Knockouts for Steel Outlet Boxes, Square.
    Outlet Box
    Designation
    No. of
    Knockouts
    Knockout
    Trade Size
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Certification
    Each
    2 Gang
    121/2, 3/4
    4"4"1 1/2"22.5Zinc-Plated SteelUL Listed
    71695K4200000
    2 Gang
    121/2, 3/4
    4 11/16"4 11/16"1 1/2"29.5Zinc-Plated SteelUL Listed
    71695K11700000
    Covers
    Octagon
    Image of Product. Front orientation. Outlet Box Extenders. Extenders with Knockouts for Steel Outlet Boxes, Octagon.
    No. of
    Knockouts
    Knockout
    Trade Size
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Certification
    Each
    41/2
    4"4"1 1/2"15.5Zinc-Plated SteelUL Listed
    71695K5500000
    Covers

    Extenders for Weatherproof Outlet Boxes

    Add depth to your weatherproof outlet box. Exposure to rain, snow, and wet conditions won’t damage these corrosion-resistant extenders.
    Rectangle
    Image of Product. Front orientation. Outlet Box Extenders. Extenders for Weatherproof Outlet Boxes, Rectangle.
    Outlet Box
    Designation
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Mounting Fasteners
    Included
    Enclosure
    Rating
    Certification
    Each
    1 Gang
    4 1/2"2 3/4"1"9.5Gray Powder-Coated AluminumYesNEMA 3R
    UL Listed, CSA Certified
    7219K1500000
    Covers
    Round
    Image of Product. Front orientation. Outlet Box Extenders. Extenders for Weatherproof Outlet Boxes, Round.
    Sealing Plugs—Outlet box extenders come with sealing plugs for unused connections.
    No. of Conduit
    Connections
    Conduit
    Trade Size
    Conduit
    Connection
    For Conduit
    Type
    For Conduit Material
    Dia.
    Dp.
    Cap., cu.
    in.
    Material
    Mounting Fasteners
    Included
    Includes
    Enclosure
    Rating
    Certification
    Each
    41/2
    ThreadedIMC, RMC
    Aluminum, Stainless Steel, Steel4"1 1/2"16.3Gray Powder-Coated AluminumYesSealing PlugsNEMA 3R
    UL Listed, CSA Certified
    7219K16000000
    Covers
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