McMaster-Carr logo
    Filter by
    Knockout Trade Size
    Industrial Info Compare
    Number of Knockouts
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    8 Products

    Steel Outlet Boxes with Knockouts

    Knockouts allow you to modify these boxes to fit your application.
    Octagonal Outlet Boxes
    Image of Product. Front orientation. Outlet Boxes. Steel Outlet Boxes with Knockouts, Octagonal Outlet Boxes.
    For Max. No.
    of Devices
    No. of
    Knockouts
    Knockout
    Trade Size
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Each
    181/2, 3/4
    		4"4"1 1/2"15.5Zinc-Plated Steel71695K5400000
    191/2
    		4"4"1 1/2"15.5Zinc-Plated Steel71695K510000
    191/2
    		4"4"2 1/8"21.5Zinc-Plated Steel71695K110000
     
    Accessories for Outlet Boxes
    Outlet Box Extenders
    Image of Product. Front orientation. Outlet Box Extenders. Steel Outlet Boxes with Knockouts, Octagonal Outlet Boxes.
    No. of
    Knockouts
    Knockout
    Trade Size
    Ht.
    Wd.
    Dp.
    Cap., cu.
    in.
    Material
    Certification
    Each
    41/24"4"1 1/2"15.5Zinc-Plated SteelUL Listed71695K5500000
    Outlet Box Covers
    Image of Product. Front orientation. Outlet Box Covers. Steel Outlet Boxes with Knockouts, Octagonal Outlet Boxes, Flat Blank Covers with Knockouts.
    Image of Product. Front orientation. Outlet Box Covers. Steel Outlet Boxes with Knockouts, Octagonal Outlet Boxes, Flat Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Steel Outlet Boxes with Knockouts, Octagonal Outlet Boxes, Flat Covers for NEMA Outlet.

    Flat Blank

    Covers with

    Knockouts

    Flat Blank

    Covers

    Flat Covers for

    NEMA Outlet

    For Max. No.
    of Devices
    For No. of
    Outlets
    Knockout Trade Size (No.
    of Knockouts)
    Ht.
    Wd.
    Material
    Mounting Fasteners
    Included
    Certification
    Each
    Flat Blank Covers with Knockouts
    0—1/2 (1)4"4"Zinc-Plated SteelNoUL Listed71695K5600000
     
    Flat Blank Covers
    0——4"4"Zinc-Plated SteelNoUL Listed71695K520000
     
    Flat Covers for NEMA Outlet
    12 Outlets—4"4"Zinc-Plated SteelNoUL Listed71695K530000
     
    Outlet Box Hanger Bars
    Each
    14 ¼" to 22 ½" Adjustable Hanger Bar71695K9100000
    back to top