Shop Standard Electrical Box Knockout Fitting

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$6.98
Sigma Engineered Solutions Proconnex 44694 NM/SE Clamp Type Connector 1-1/4-Inch Conduit Fitting, 1-Pack
Amazon.com
90
$6.98
Sigma Engineered Solutions Proconnex 44694 NM/SE Clamp Type Connector 1-1/4-Inch Conduit Fitting, 1-Pack
Amazon.com
90
$7.58
$8.78
Sigma Electric, Gray Count (Pack Of 1) Sigma Engineered Solutions, 14251 1/2-Inch 4 Hole 1-Gang Box
Amazon.com
103
13% off
$7.58
$8.78
Sigma Electric, Gray Count (Pack Of 1) Sigma Engineered Solutions, 14251 1/2-Inch 4 Hole 1-Gang Box
Amazon.com
103
$64.16
$72.15
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
879
Free shipping
11% off
$64.16
$72.15
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
879
$54.99
Hubbell-Raco 2692 Squeeze Connector, Die Cast Zinc, Flexible Metal Conduit, 90 Degree, 1/2" (Pack Of 25), Gray
Amazon.com
14
Free shipping
$54.99
Hubbell-Raco 2692 Squeeze Connector, Die Cast Zinc, Flexible Metal Conduit, 90 Degree, 1/2" (Pack Of 25), Gray
Amazon.com
14
$46.99
Hicarer 20 Pcs 293 4Inch Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Galvanized Steel Pancake Box For Ceiling
Amazon.com
4
Free shipping
$46.99
Hicarer 20 Pcs 293 4Inch Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Galvanized Steel Pancake Box For Ceiling
Amazon.com
4
$62.99
AMZCNC Manual Knockout Hole Punch Driver Kit 1/2 To 2 Inch Electrical Conduit Hole Cutter Set KO Tool Kit ((Conduit Hole Size) 1/2"2" Knockout Punch
Amazon.com
223
Free shipping
$62.99
AMZCNC Manual Knockout Hole Punch Driver Kit 1/2 To 2 Inch Electrical Conduit Hole Cutter Set KO Tool Kit ((Conduit Hole Size) 1/2"2" Knockout Punch
Amazon.com
223
$3.51
Bridgeport 1695 1-1/2" Knockout Plug
Gordon Electric Supply
$3.51
Bridgeport 1695 1-1/2" Knockout Plug
Gordon Electric Supply
$199.99
AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 1/2 To 4 Inch (15T(1/2"-4"))
Amazon.com
Free shipping
$199.99
AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 1/2 To 4 Inch (15T(1/2"-4"))
Amazon.com
Free shipping
$6.20
$7.26
Raco Hubbell 2122 Steel Connector, Set Screw, Insulated, EMT Conduit, 1/2" (Pack Of 50), Gray
Amazon.com
6
14% off
$6.20
$7.26
Raco Hubbell 2122 Steel Connector, Set Screw, Insulated, EMT Conduit, 1/2" (Pack Of 50), Gray
Amazon.com
6
$29.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
10
$29.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
10
$1.01
Bridgeport 9891 1/2" Knockout Plug Plastic
Gordon Electric Supply
$1.01
Bridgeport 9891 1/2" Knockout Plug Plastic
Gordon Electric Supply
$15.99
4 Pack Shallow Electrical Box, 1/2-Inch Deep, 1/2-Inch Bottom Knockouts 4-Inch Round Ceiling Pan Pancake Box Round Electrical Box (4)
Amazon.com
10
$15.99
4 Pack Shallow Electrical Box, 1/2-Inch Deep, 1/2-Inch Bottom Knockouts 4-Inch Round Ceiling Pan Pancake Box Round Electrical Box (4)
Amazon.com
10
$8.89
Garvin 52181-3/4-1 4" Sq Box 3-1/2" Deep 3/4" And 1" Ko's
Gordon Electric Supply
$8.89
Garvin 52181-3/4-1 4" Sq Box 3-1/2" Deep 3/4" And 1" Ko's
Gordon Electric Supply
$9.31
TP436 4" X 2-1/8" X 4", 30.3 Cu Inch, Welded Steel, 12-Knockout, Electrical Square Outlet Box
Kelly & Hayes Electrical Supply
$9.31
TP436 4" X 2-1/8" X 4", 30.3 Cu Inch, Welded Steel, 12-Knockout, Electrical Square Outlet Box
Kelly & Hayes Electrical Supply
$47.15
Hammond Type 3R Painted Galvanized Steel Junction Box C3R SC NKO Series Lift-Off Cover With Screws Without Knockouts, 12X12x4
Nema Supply
$47.15
Hammond Type 3R Painted Galvanized Steel Junction Box C3R SC NKO Series Lift-Off Cover With Screws Without Knockouts, 12X12x4
Nema Supply
$0.97
$3.66
337 Crouse Hinds Knockout Blank
Standard Electric Supply Co.
73% off
$0.97
$3.66
337 Crouse Hinds Knockout Blank
Standard Electric Supply Co.
$48.09
Knockout Electrical Enclosures | NEMA Box | SK-28
Polycase
$48.09
Knockout Electrical Enclosures | NEMA Box | SK-28
Polycase
$3.59
Garvin Southwire Topaz Inch Square Box 2-1/8 Inch Gsb 1/2 Inch And 3/4 Inch Knockout (52171-1/2-3/4)
Lite Store USA
$3.59
Garvin Southwire Topaz Inch Square Box 2-1/8 Inch Gsb 1/2 Inch And 3/4 Inch Knockout (52171-1/2-3/4)
Lite Store USA
$27.99
AMZCNC 2-1/2" Conduit Punch And Die For Hydraulic Knock Out Driver 3/4"-16UN Thread((Conduit Hole Size) 2-1/2")(Actual Hole Size: 2.91")
Amazon.com
168
$27.99
AMZCNC 2-1/2" Conduit Punch And Die For Hydraulic Knock Out Driver 3/4"-16UN Thread((Conduit Hole Size) 2-1/2")(Actual Hole Size: 2.91")
Amazon.com
168
$16.52
Plastic Outdoor Electrical Junction Box With Knockouts | SK-12
Polycase
$16.52
Plastic Outdoor Electrical Junction Box With Knockouts | SK-12
Polycase
$557.95
Arlington 855 1-1/2" Knockout 90° Connectors (Pack Of 10)
Lite Store USA
$557.95
Arlington 855 1-1/2" Knockout 90° Connectors (Pack Of 10)
Lite Store USA
$682.95
Arlington 856A 2" Knockout 90° Connectors With Insulated Throat (Pack Of 10)
Lite Store USA
$682.95
Arlington 856A 2" Knockout 90° Connectors With Insulated Throat (Pack Of 10)
Lite Store USA
$196.50
($3.93/Pc) 58361-1/2 Thomas & Betts Utility Box - Drawn Style - 1 Outlets - 1 Gangs - 10 Knockouts - 1/2 in Knockout - Knockout Cable Entry - Screw-On
Onlinecomponents.com
$196.50
($3.93/Pc) 58361-1/2 Thomas & Betts Utility Box - Drawn Style - 1 Outlets - 1 Gangs - 10 Knockouts - 1/2 in Knockout - Knockout Cable Entry - Screw-On
Onlinecomponents.com
$74.73
Arlington NM902 Black Plastic Snap-In Knockout Blank 1 in
Voomi Supply
$74.73
Arlington NM902 Black Plastic Snap-In Knockout Blank 1 in
Voomi Supply
$247.56
Arlington NM905 Snap-In Knockout Blank 2 in
Voomi Supply
$247.56
Arlington NM905 Snap-In Knockout Blank 2 in
Voomi Supply
$4.25
Carlon Outlet Box 1 -Gang 3 -Knockout 1/2 in Knockout PVC Blue Bracket Mounting A58381D-CAR
DkHardware.com
$4.25
Carlon Outlet Box 1 -Gang 3 -Knockout 1/2 in Knockout PVC Blue Bracket Mounting A58381D-CAR
DkHardware.com
$41.86
Knockout Electrical Enclosures | NEMA Box | SK-29
Polycase
$41.86
Knockout Electrical Enclosures | NEMA Box | SK-29
Polycase
$107.96
GRX75A Appleton Conduit Outlet Box
Standard Electric Supply Co.
$107.96
GRX75A Appleton Conduit Outlet Box
Standard Electric Supply Co.
$1.83
GB Switch/Outlet Box Standard Outlet 1-Gang 4-Knockout PVC Gray In-Wall Nail Mounting BOX-NS18
DkHardware.com
$1.83
GB Switch/Outlet Box Standard Outlet 1-Gang 4-Knockout PVC Gray In-Wall Nail Mounting BOX-NS18
DkHardware.com
$3.19
RACO Knockout Plug, Round, Steel, 1 in Conduit Size, 0.34 in D, Corrosion Resistant, Silver, 1044
Zoro.com
$3.19
RACO Knockout Plug, Round, Steel, 1 in Conduit Size, 0.34 in D, Corrosion Resistant, Silver, 1044
Zoro.com
$0.75
RACO Knockout Plug, Round, Steel, 3/4 in Conduit Size, 0.31 in D, Corrosion Resistant, Silver, 1043
Zoro.com
$0.75
RACO Knockout Plug, Round, Steel, 3/4 in Conduit Size, 0.31 in D, Corrosion Resistant, Silver, 1043
Zoro.com
$14.02
Garvin 52181-OW 4"X3-1/2" Square Old Work Junction Box W/Knockouts
Toolup.com
$14.02
Garvin 52181-OW 4"X3-1/2" Square Old Work Junction Box W/Knockouts
Toolup.com
$9.84
Raco 8660 Handy Box, 1-Gang, 10-Knockout, 1/2 in Knockout, Steel, Gray, Surface
Walmart
$9.84
Raco 8660 Handy Box, 1-Gang, 10-Knockout, 1/2 in Knockout, Steel, Gray, Surface
Walmart
$3.11
RACO Handy Box 1 -Gang 10 -Knockout 1/2 in Knockout Steel Gray Surface Mounting 8660
DkHardware.com
$3.11
RACO Handy Box 1 -Gang 10 -Knockout 1/2 in Knockout Steel Gray Surface Mounting 8660
DkHardware.com
$27.00
Hoffman A-S200 2" Hole Seal Electrical Enclosure Knockout Cover Gray Steel. Hoffman. Gray. Electrical Boxes & Enclosures.
eBay
Free shipping
$27.00
Hoffman A-S200 2" Hole Seal Electrical Enclosure Knockout Cover Gray Steel. Hoffman. Gray. Electrical Boxes & Enclosures.
eBay
Free shipping
$9.75
Hubbell-Raco 8191 Drawn 1-1/2-Inch Deep Square Electrical Box With 8 3/4-Inch Side Knockouts, 4-Inch
Walmart
Free shipping
$9.75
Hubbell-Raco 8191 Drawn 1-1/2-Inch Deep Square Electrical Box With 8 3/4-Inch Side Knockouts, 4-Inch
Walmart
Free shipping
How to Remove a "Knock Out" from an Electrical Box (with Pictures)
How to Remove a "Knock Out" from an Electrical Box (with Pictures)
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When You Don't Need an Electrical Box or Junction Box
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thespruce.com
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thespruce.com
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NM94X
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Shop Standard Electrical Box Knockout Fitting

Sponsored
About our ads
$6.98
Sigma Engineered Solutions Proconnex 44694 NM/SE Clamp Type Connector 1-1/4-Inch Conduit Fitting, 1-Pack
Amazon.com
90
$6.98
Sigma Engineered Solutions Proconnex 44694 NM/SE Clamp Type Connector 1-1/4-Inch Conduit Fitting, 1-Pack
Amazon.com
90
$7.58
$8.78
Sigma Electric, Gray Count (Pack Of 1) Sigma Engineered Solutions, 14251 1/2-Inch 4 Hole 1-Gang Box
Amazon.com
103
13% off
$7.58
$8.78
Sigma Electric, Gray Count (Pack Of 1) Sigma Engineered Solutions, 14251 1/2-Inch 4 Hole 1-Gang Box
Amazon.com
103
$64.16
$72.15
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
879
Free shipping
11% off
$64.16
$72.15
RACO 232 4 in. Square Electrical Box, 2-1/8-Inch Deep, 1/2-In. And 3/4-In. Side Knockouts, Welded, Gray, 25-Pack
Amazon.com
879
$54.99
Hubbell-Raco 2692 Squeeze Connector, Die Cast Zinc, Flexible Metal Conduit, 90 Degree, 1/2" (Pack Of 25), Gray
Amazon.com
14
Free shipping
$54.99
Hubbell-Raco 2692 Squeeze Connector, Die Cast Zinc, Flexible Metal Conduit, 90 Degree, 1/2" (Pack Of 25), Gray
Amazon.com
14
$46.99
Hicarer 20 Pcs 293 4Inch Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Galvanized Steel Pancake Box For Ceiling
Amazon.com
4
Free shipping
$46.99
Hicarer 20 Pcs 293 4Inch Round Shallow Electrical Box With 1/2" Deep 1/2" Bottom Knockouts Ceiling Electrical Galvanized Steel Pancake Box For Ceiling
Amazon.com
4
$62.99
AMZCNC Manual Knockout Hole Punch Driver Kit 1/2 To 2 Inch Electrical Conduit Hole Cutter Set KO Tool Kit ((Conduit Hole Size) 1/2"2" Knockout Punch
Amazon.com
223
Free shipping
$62.99
AMZCNC Manual Knockout Hole Punch Driver Kit 1/2 To 2 Inch Electrical Conduit Hole Cutter Set KO Tool Kit ((Conduit Hole Size) 1/2"2" Knockout Punch
Amazon.com
223
$3.51
Bridgeport 1695 1-1/2" Knockout Plug
Gordon Electric Supply
$3.51
Bridgeport 1695 1-1/2" Knockout Plug
Gordon Electric Supply
$199.99
AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 1/2 To 4 Inch (15T(1/2"-4"))
Amazon.com
Free shipping
$199.99
AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 1/2 To 4 Inch (15T(1/2"-4"))
Amazon.com
Free shipping
$6.20
$7.26
Raco Hubbell 2122 Steel Connector, Set Screw, Insulated, EMT Conduit, 1/2" (Pack Of 50), Gray
Amazon.com
6
14% off
$6.20
$7.26
Raco Hubbell 2122 Steel Connector, Set Screw, Insulated, EMT Conduit, 1/2" (Pack Of 50), Gray
Amazon.com
6
$29.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
10
$29.99
Hicarer 10 Pcs R 4" Round Shallow Electrical Box Pancake Electrical Box Ceiling Fan Box With 1/2" Deep 1/2" Bottom Knockout For Ceiling Fan Wall
Amazon.com
10
$1.01
Bridgeport 9891 1/2" Knockout Plug Plastic
Gordon Electric Supply
$1.01
Bridgeport 9891 1/2" Knockout Plug Plastic
Gordon Electric Supply
$15.99
4 Pack Shallow Electrical Box, 1/2-Inch Deep, 1/2-Inch Bottom Knockouts 4-Inch Round Ceiling Pan Pancake Box Round Electrical Box (4)
Amazon.com
10
$15.99
4 Pack Shallow Electrical Box, 1/2-Inch Deep, 1/2-Inch Bottom Knockouts 4-Inch Round Ceiling Pan Pancake Box Round Electrical Box (4)
Amazon.com
10
$8.89
Garvin 52181-3/4-1 4" Sq Box 3-1/2" Deep 3/4" And 1" Ko's
Gordon Electric Supply
$8.89
Garvin 52181-3/4-1 4" Sq Box 3-1/2" Deep 3/4" And 1" Ko's
Gordon Electric Supply
$9.31
TP436 4" X 2-1/8" X 4", 30.3 Cu Inch, Welded Steel, 12-Knockout, Electrical Square Outlet Box
Kelly & Hayes Electrical Supply
$9.31
TP436 4" X 2-1/8" X 4", 30.3 Cu Inch, Welded Steel, 12-Knockout, Electrical Square Outlet Box
Kelly & Hayes Electrical Supply
$47.15
Hammond Type 3R Painted Galvanized Steel Junction Box C3R SC NKO Series Lift-Off Cover With Screws Without Knockouts, 12X12x4
Nema Supply
$47.15
Hammond Type 3R Painted Galvanized Steel Junction Box C3R SC NKO Series Lift-Off Cover With Screws Without Knockouts, 12X12x4
Nema Supply
$0.97
$3.66
337 Crouse Hinds Knockout Blank
Standard Electric Supply Co.
73% off
$0.97
$3.66
337 Crouse Hinds Knockout Blank
Standard Electric Supply Co.
$48.09
Knockout Electrical Enclosures | NEMA Box | SK-28
Polycase
$48.09
Knockout Electrical Enclosures | NEMA Box | SK-28
Polycase
$3.59
Garvin Southwire Topaz Inch Square Box 2-1/8 Inch Gsb 1/2 Inch And 3/4 Inch Knockout (52171-1/2-3/4)
Lite Store USA
$3.59
Garvin Southwire Topaz Inch Square Box 2-1/8 Inch Gsb 1/2 Inch And 3/4 Inch Knockout (52171-1/2-3/4)
Lite Store USA