McMaster-Carr logo
    Filter by
    System of Measurement
    Knockout Trade Size
    Industrial Info Compare
    Outlet Box Designation
    Industrial Info Compare
    Outlet Box Component
    Number of Knockouts
    For Conduit Material
    Performance
    Conduit Trade Size
    Industrial Info Snippet
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Number of Conduit Connections
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Gender
    Color
    Diameter
    Attribute Image
    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)
    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 depth to your switch box.
    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
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Blank Covers with Knockouts.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Covers for NEMA Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Covers for Toggle Switches.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Covers for Circular Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Switch Boxes, Rectangle, Raised Covers for GFCI Outlets.

    Raised

    Blank

    Covers

    with

    Knockouts

    Raised

    Blank

    Covers

    Raised

    Covers

    for NEMA

    Outlets

    Raised

    Covers

    for

    Toggle

    Switches

    Raised

    Covers

    for

    Circular

    Outlets

    Raised

    Covers for

    GFCI

    Outlets

    For Max. No.
    of Devices
    Outlet Box
    Designation
    For No. of
    Outlets
    Circular
    Outlet Dia.
    For No. of Toggle
    Switches
    Knockout Trade Size (No.
    of Knockouts)
    Ht.
    Wd.
    Dp.
    Material
    Mounting Fasteners
    Included
    Certification
    Each
    Raised Blank Covers with Knockouts
    01 Gang
    		———1/2 (1)4 3/16"2 5/16"—Zinc-Plated SteelYesUL Listed
    		71695K2200000
     
    Raised Blank Covers
    01 Gang
    		————4 3/16"2 5/16"—Zinc-Plated SteelYesUL Listed
    		71695K270000
     
    Raised Covers for NEMA Outlets
    11 Gang
    		2 Outlets———4 3/16"2 5/16"—Zinc-Plated SteelYesUL Listed
    		71695K230000
     
    Raised Covers for Toggle Switches
    11 Gang
    		——1—4 3/16"2 5/16"—Zinc-Plated SteelYesUL Listed
    		71695K240000
     
    Raised Covers for Circular Outlets
    11 Gang
    		1 Outlet1.4"——4 3/16"2 5/16"1/4"Zinc-Plated SteelYesUL Listed
    		71695K1180000
    11 Gang
    		1 Outlet1.6"——4 3/16"2 5/16"1/4"Zinc-Plated SteelYesUL Listed
    		71695K1190000
     
    Raised Covers for GFCI Outlets
    11 Gang
    		1 Outlet———4"2"1/2"Zinc-Plated SteelYesUL Listed, C-UL Listed
    		71695K190000
     

    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, 3/4
    		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
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Flat Blank Covers with Knockouts.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Flat Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for NEMA Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for Toggle Switches.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for Circular Outlets.

    Flat Blank

    Covers with

    Knockouts

    Flat Blank

    Covers

    Raised Blank

    Covers

    Raised Covers

    for NEMA

    Outlets

    Raised Covers

    for Toggle

    Switches

    Raised Covers

    for Circular

    Outlets

    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for GFCI Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for NEMA and GFCI Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for NEMA Outlets and Toggle Switches.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for NEMA and Circular Outlets.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Square, Raised Covers for NEMA Outlets, GFCI Outlets, and Toggle Switches.

    Raised Covers

    for GFCI

    Outlets

    Raised Covers

    for NEMA and

    GFCI Outlets

    Raised Covers

    for NEMA

    Outlets and

    Toggle

    Switches

    Raised Covers

    for NEMA and

    Circular

    Outlets

    Raised Covers

    for NEMA

    Outlets, GFCI

    Outlets, and

    Toggle Switches

    For Max. No.
    of Devices
    Outlet Box
    Designation
    For No. of Outlets
    Circular
    Outlet Dia.
    For No. of Toggle
    Switches
    Knockout Trade Size (No.
    of Knockouts)
    Ht.
    Wd.
    Dp.
    Material
    Mounting Fasteners
    Included
    Certification
    Each
    Flat Blank Covers with Knockouts
    02 Gang
    		———1/2 (1)4"4"—Zinc-Plated SteelNoUL Listed
    		71695K7100000
    02 Gang
    		———1/2 (1)4 11/16"4 11/16"—Zinc-Plated SteelNoUL Listed
    		71695K170000
     
    Flat Blank Covers
    02 Gang
    		————4"4"—Zinc-Plated SteelNoUL Listed
    		71695K430000
    02 Gang
    		————4 11/16"4 11/16"—Zinc-Plated SteelNoUL Listed, C-UL Listed
    		71695K9110000
     
    Raised Blank Covers
    02 Gang
    		————4 1/8"4 1/8"9/16"Zinc-Plated SteelNoUL Listed
    		71695K1140000
     
    Raised Covers for NEMA Outlets
    12 Gang
    		2 Outlets———4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K450000
    22 Gang
    		4 Outlets———4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K480000
     
    Raised Covers for Toggle Switches
    12 Gang
    		——1—4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K440000
    22 Gang
    		——2—4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K470000
     
    Raised Covers for Circular Outlets
    12 Gang
    		1 Outlet1.4"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K650000
    12 Gang
    		1 Outlet1.6"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K670000
    12 Gang
    		1 Outlet1.7"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K660000
    12 Gang
    		1 Outlet2.1"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K680000
    12 Gang
    		1 Outlet2.6"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K690000
     
    Raised Covers for GFCI Outlets
    12 Gang
    		1 Outlet———4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K760000
    22 Gang
    		2 Outlets———4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K1150000
     
    Raised Covers for NEMA and GFCI Outlets
    22 Gang
    		2 NEMA Outlets, 1 GCFI Outlet———4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K770000
     
    Raised Covers for NEMA Outlets and Toggle Switches
    22 Gang
    		2 NEMA Outlets—1—4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K460000
     
    Raised Covers for NEMA and Circular Outlets
    22 Gang
    		2 NEMA Outlets, 1 Circular Outlet1.6"——4 1/8"4 1/8"9/16"Zinc-Plated SteelYesUL Listed
    		71695K11600000
     
    Raised Covers for NEMA Outlets, GFCI Outlets, and Toggle Switches
    12 Gang
    		2 NEMA Outlets, 1 GCFI Outlet—1—4"4"5/8"Zinc-Plated SteelNoUL Listed
    		71695K740000
    12 Gang
    		2 NEMA Outlets, 1 GCFI Outlet—1—4 1/16"4 1/16"1/2"Zinc-Plated SteelNoUL Listed
    		71695K720000
    12 Gang
    		2 NEMA Outlets, 1 GCFI Outlet—1—4 11/16"4 11/16"5/8"Zinc-Plated SteelNoUL Listed
    		71695K620000
    12 Gang
    		2 NEMA Outlets, 1 GCFI Outlet—1—4 3/4"4 3/4"1/2"Zinc-Plated SteelNoUL Listed
    		71695K610000
    22 Gang
    		4 NEMA Outlets, 2 GCFI Outlets—2—4"4"5/8"Zinc-Plated SteelNoUL Listed
    		71695K750000
    22 Gang
    		4 NEMA Outlets, 2 GCFI Outlets—2—4 1/16"4 1/16"1/2"Zinc-Plated SteelNoUL Listed
    		71695K730000
    22 Gang
    		4 NEMA Outlets, 2 GCFI Outlets—2—4 11/16"4 11/16"5/8"Zinc-Plated SteelNoUL Listed
    		71695K640000
    22 Gang
    		4 NEMA Outlets, 2 GCFI Outlets—2—4 3/4"4 3/4"1/2"Zinc-Plated SteelNoUL Listed
    		71695K630000
     
    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
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Octagon, Flat Blank Covers with Knockouts.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Octagon, Flat Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders with Knockouts for Steel Outlet Boxes, Octagon, Flat Covers for NEMA Outlets.

    Flat Blank

    Covers with

    Knockouts

    Flat Blank

    Covers

    Flat Covers for

    NEMA Outlets

    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 Listed
    		71695K5600000
     
    Flat Blank Covers
    0——4"4"Zinc-Plated SteelNoUL Listed
    		71695K520000
     
    Flat Covers for NEMA Outlets
    12 Outlets—4"4"Zinc-Plated SteelNoUL Listed
    		71695K530000
     

    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
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Rectangle, Raised Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Rectangle, Raised Covers with 3 Conduit Connections.
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Rectangle, Raised Covers for Toggle Switches.

    Raised

    Blank

    Covers

    Raised

    Covers with

    3 Conduit

    Connections

    Raised

    Covers for

    Toggle

    Switches

    For Max. No.
    of Devices
    Outlet Box
    Designation
    Conduit
    Trade Size
    Conduit
    Connection
    Conduit Thread
    Type
    For No. of Toggle
    Switches
    Ht.
    Wd.
    Material
    Mounting Fasteners
    Included
    Enclosure
    Rating
    Certification
    Each
    Raised Blank Covers
    01 Gang
    		————4 9/16"2 13/16"Gray Powder-Coated SteelYesNEMA 3R
    		UL Listed
    		7219K500000
     
    Raised Covers with 3 Conduit Connections
    31 Gang
    		1/2
    		ThreadedNPT
    		—4 9/16"2 13/16"Gray Powder-Coated AluminumYesNEMA 3R
    		UL Listed
    		7219K60000
     
    Raised Covers for Toggle Switches
    11 Gang
    		———14 9/16"2 13/16"Gray Powder-Coated AluminumYes—UL Listed
    		7219K630000
     
    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
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Round, Flat Blank Covers.
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Round, Raised Covers with 1 Conduit Connection.
    Image of Product. Front orientation. Outlet Box Covers. Extenders for Weatherproof Outlet Boxes, Round, Raised Covers with 3 Conduit Connections.

    Flat Blank Covers

    Raised Covers

    with 1 Conduit

    Connection

    Raised Covers

    with 3 Conduit

    Connections

    For Max. No.
    of Devices
    Conduit
    Trade Size
    Conduit
    Connection
    Conduit Thread
    Type
    Dia.
    Material
    Mounting Fasteners
    Included
    Enclosure
    Rating
    Certification
    Each
    Flat Blank Covers
    0———4 1/8"Gray Powder-Coated SteelYesNEMA 3R
    		UL Listed, CSA Certified
    		7219K7800000
     
    Raised Covers with 1 Conduit Connection
    11/2
    		ThreadedNPT
    		4 1/8"Gray Powder-Coated AluminumYesNEMA 3R
    		UL Listed, CSA Certified
    		7219K130000
     
    Raised Covers with 3 Conduit Connections
    31/2
    		ThreadedNPT
    		4 1/8"Gray Powder-Coated AluminumYesNEMA 3R
    		UL Listed, CSA Certified
    		7219K80000
     
    back to top