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    50 Products

    Extenders with Knockouts for Steel Switch Boxes

    Add depth to your switch box.
    Rectangle
    Image of Product. Front orientation. Outlet Box Extenders. Extenders with Knockouts for Steel Switch Boxes.
    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 Listed0000000000000
    1 Gang
    81/2
    4"2 1/8"1 1/2"11.5Zinc-Plated SteelUL Listed
    000000000000

    Extenders with Knockouts for Steel Outlet Boxes

    Add depth to your outlet box.
    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, 3/44"4"1 1/2"22.5Zinc-Plated SteelUL Listed
    0000000000000
    2 Gang
    121/2, 3/44 11/16"4 11/16"1 1/2"29.5Zinc-Plated SteelUL Listed
    00000000000000
    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
    0000000000000

    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 Certified000000000000
    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, RMCAluminum, Stainless Steel, Steel4"1 1/2"16.3Gray Powder-Coated AluminumYesSealing PlugsNEMA 3R
    UL Listed, CSA Certified0000000000000
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