Knockout Plug Box(151)
Uses item details. Price when purchased online
50 PK New Work Electrical Nail Outlet Box 2-Gang PVC, 32 Cubic Inch Switch Box, ETL Listed to UL514C and UL263, 2 Hour Fire Rating New Work Box, Gray From $64.99

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From$6499
50 PK New Work Electrical Nail Outlet Box 2-Gang PVC, 32 Cubic Inch Switch Box, ETL Listed to UL514C and UL263, 2 Hour Fire Rating New Work Box, Gray
15 out of 5 Stars. 1 reviews
KYHSHJ Recessed Flat Hidden Socket Kit with 2 * 20A Receptacle,4.8A 1 USB-A Ports &1 USB-C Port+3-Port RJ45 Datacom Receptacle. Internal Height Adjustable,Corrosive Resistant Hardware,Black From $39.99

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From$3999
KYHSHJ Recessed Flat Hidden Socket Kit with 2 * 20A Receptacle,4.8A 1 USB-A Ports &1 USB-C Port+3-Port RJ45 Datacom Receptacle. Internal Height Adjustable,Corrosive Resistant Hardware,Black
23 out of 5 Stars. 2 reviews
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30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black) From $49.99

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From$4999
30A/50A Power Inlet Box for Generator, Journeyman-Pro ETL Listed, w/Waterproof Cover,L5-30P,TT-30P,L14-30P,SS-2-50P | 30 or 50 Amp 125/250V | for 3 or 4 Prong Extension Cord (TT-30P - Black)
45 out of 5 Stars. 4 reviews
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VEVOR Structured Media Enclosure, 9-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater $33.90

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$3390
current price $33.90VEVOR Structured Media Enclosure, 9-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater
Peerless-av Peerless-av In-wall Metal Box With Knockout (large; Without Power Outlet) $88.48

$8848
current price $88.48Peerless-av Peerless-av In-wall Metal Box With Knockout (large; Without Power Outlet)
Raco Electrical Box,Handy,1/2 in. Knockout 681 $16.15

$1615
current price $16.15Raco Electrical Box,Handy,1/2 in. Knockout 681
RACO Handy Box Junction Box - 1-Gang, 7-Knockout, Steel, Gray $7.85

$785
current price $7.85RACO Handy Box Junction Box - 1-Gang, 7-Knockout, Steel, Gray
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Peerless-av Iba3-w In-wall Metal Box With Knockout (medium) $81.73

$8173
current price $81.73Peerless-av Iba3-w In-wall Metal Box With Knockout (medium)
Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout $15.32 Was $17.70

Now$1532
current price Now $15.32, Was $17.70$17.70
Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout
Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece $14.91

$1491
current price $14.91Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece
Enerlites 975549-S Nickel Plated Brass Flip Lid Floor Box Assembly, 2-Gang 20A Tamper Weather Resistant Duplex Receptacle From $89.99

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From$8999
Enerlites 975549-S Nickel Plated Brass Flip Lid Floor Box Assembly, 2-Gang 20A Tamper Weather Resistant Duplex Receptacle
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VEVOR Structured Media Enclosure, 14-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater $40.90

Sponsored
$4090
current price $40.90VEVOR Structured Media Enclosure, 14-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater
Thomas & Betts-carlon 2Gang Knockout Box - .5 In. $31.67

$3167
current price $31.67Thomas & Betts-carlon 2Gang Knockout Box - .5 In.
Thomas & Betts A58381D Carlon Non-Metallic Outlet Box with 1/2" Knockouts, 1 Gang, 16 cu. in. $9.55

$955
current price $9.55Thomas & Betts A58381D Carlon Non-Metallic Outlet Box with 1/2" Knockouts, 1 Gang, 16 cu. in.
Hubbell 666 Knockout Combo Handy Box $8.22

$822
current price $8.22Hubbell 666 Knockout Combo Handy Box
Southwire Square Box with Off-Center Knockouts - Pack of 6 $68.93

$6893
current price $68.93Southwire Square Box with Off-Center Knockouts - Pack of 6
Pack of 12 4x2 Inch Utility Size Single Gang Electrical Box, Handy Box, Ten 1/2 Inch Knockouts, Raised Ground, 13 Cu. in. Capacity, 1-7/8" Deep, Galvanized Steel, Drawn Construction, Outlet Box, $41.99

$4199
current price $41.99Pack of 12 4x2 Inch Utility Size Single Gang Electrical Box, Handy Box, Ten 1/2 Inch Knockouts, Raised Ground, 13 Cu. in. Capacity, 1-7/8" Deep, Galvanized Steel, Drawn Construction, Outlet Box,
RACO 8190 Outlet Box Knockout Cable Entry 16-Knockout Steel $6.99

$699
current price $6.99RACO 8190 Outlet Box Knockout Cable Entry 16-Knockout Steel
Hubbell Handy Box Single Gang Four 3/4 In. Knockouts 1-7/8 In. Deep $18.71

$1871
current price $18.71Hubbell Handy Box Single Gang Four 3/4 In. Knockouts 1-7/8 In. Deep
RACO Square Outlet Box Steel - 21 Cu In, 8 Side Knockouts, Square Knock Box Home & Garage Storage, Stackable Design $59.53

$5953
current price $59.53RACO Square Outlet Box Steel - 21 Cu In, 8 Side Knockouts, Square Knock Box Home & Garage Storage, Stackable Design
VEVOR Structured Media Enclosure, 28-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater $66.90

Sponsored
$6690
current price $66.90VEVOR Structured Media Enclosure, 28-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater
VEVOR Structured Media Enclosure, 17-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater $44.90

Sponsored
$4490
current price $44.90VEVOR Structured Media Enclosure, 17-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater
Southwire Square Box with Off-Center Knockouts - Pack of 8 $71.86

$7186
current price $71.86Southwire Square Box with Off-Center Knockouts - Pack of 8
Electrical Box, Handy, 1/2 in. Knockout $17.18

$1718
current price $17.18Electrical Box, Handy, 1/2 in. Knockout
Hubbell Handy Box Knockout Combo - Steel, Rectangle, 1 Gang, Silver $8.22

$822
current price $8.22Hubbell Handy Box Knockout Combo - Steel, Rectangle, 1 Gang, Silver
Southwire Square Box with Off-Center Knockouts - Pack of 8 $87.50

$8750
current price $87.50Southwire Square Box with Off-Center Knockouts - Pack of 8
Square Box with Off-Center Knockouts - Single Pack $15.30

$1530
current price $15.30Square Box with Off-Center Knockouts - Single Pack
Weatherproof Outlet Box Metal Outdoor Electrical Box, Waterproof Die-Cast Metal, Threaded Knockouts, Gray Finish, UL Listed for Outdoor Receptacles 1-Gang, 3/4 Inch $10.99

$1099
current price $10.99Weatherproof Outlet Box Metal Outdoor Electrical Box, Waterproof Die-Cast Metal, Threaded Knockouts, Gray Finish, UL Listed for Outdoor Receptacles 1-Gang, 3/4 Inch
RACO 8670 Handy Box 2X4X2-1/8IN-D 1/2IN KNOCKOUTS $9.45

$945
current price $9.45RACO 8670 Handy Box 2X4X2-1/8IN-D 1/2IN KNOCKOUTS
Square Box with Off-Center Knockouts - Pack of 2 $27.50

$2750
current price $27.50Square Box with Off-Center Knockouts - Pack of 2
VEVOR Structured Media Enclosure, 20-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater $51.90

Sponsored
$5190
current price $51.90VEVOR Structured Media Enclosure, 20-Inch, Recessed in-Wall Media Box with Cover, Wall-Mount Cable Management Box Kit, Structured Wiring Multi-Media Cabinet, Cold-Rolled Steel, for TV Home Theater
13 out of 5 Stars. 1 reviews
VEVOR Media Enclosure, 28-Inch, Structured Media Center with Vented Hinged Door, Cable Management Box, Structured Wiring Multi-Media Cabinet, Recessed Electrical Media Box, for Network Distribution $66.90

Sponsored
$6690
current price $66.90VEVOR Media Enclosure, 28-Inch, Structured Media Center with Vented Hinged Door, Cable Management Box, Structured Wiring Multi-Media Cabinet, Recessed Electrical Media Box, for Network Distribution
Southwire Square Box with Off-Center Knockouts - Pack of 6 $57.58

$5758
current price $57.58Southwire Square Box with Off-Center Knockouts - Pack of 6
Raco Electrical Box,Handy,1/2&3/4 in Knockout 683 $12.85

$1285
current price $12.85Raco Electrical Box,Handy,1/2&3/4 in Knockout 683
4 x 2 Inch Single-Gang Deep Metal Handy Electrical Box, 2-1/8" Depth, Welded Steel, 3/4" Knockouts,<br>Surface Mount Utility Box $10.99

$1099
current price $10.994 x 2 Inch Single-Gang Deep Metal Handy Electrical Box, 2-1/8" Depth, Welded Steel, 3/4" Knockouts,
Surface Mount Utility Box
MK - 2-Gang Steel Surface Back Box with Knockouts $49.95

$4995
current price $49.95MK - 2-Gang Steel Surface Back Box with Knockouts
Square Box with Off-Center Knockouts - Pack of 4 $49.82

$4982
current price $49.82Square Box with Off-Center Knockouts - Pack of 4
(4 Pack) 4'' Square Electrical Box, Knockouts, Welded Construction, apacity, Raised Ground, Combination Screw Heads, Galvanized Steel $33.00

$3300
current price $33.00(4 Pack) 4'' Square Electrical Box, Knockouts, Welded Construction, apacity, Raised Ground, Combination Screw Heads, Galvanized Steel
RACO Electrical Box Handy Knockout - 1/2 & 3/4 Knockouts Multicolor $24.35

$2435
current price $24.35RACO Electrical Box Handy Knockout - 1/2 & 3/4 Knockouts Multicolor
Square Box with Off-Center Knockouts - Pack of 4 $43.87

$4387
current price $43.87Square Box with Off-Center Knockouts - Pack of 4
MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth $43.95

$4395
current price $43.95MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth
Wiremold NM NM2 Outlet Box, 1 -Gang, 0 -Knockout, Plastic, Ivory, Wall Mounting $13.83

$1383
current price $13.83Wiremold NM NM2 Outlet Box, 1 -Gang, 0 -Knockout, Plastic, Ivory, Wall Mounting
MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth $67.95

$6795
current price $67.95MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth
Two Galvanized Steel Round Shallow Electrical Box,Drawn Construction, Metal Pancake Box for Outlets with 4 inch Diameter,1/2" Deep,4 * 1/2" Bottom Knockouts,Thickness 1.6mm $8.99

$899
current price $8.99Two Galvanized Steel Round Shallow Electrical Box,Drawn Construction, Metal Pancake Box for Outlets with 4 inch Diameter,1/2" Deep,4 * 1/2" Bottom Knockouts,Thickness 1.6mm
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Thomas & Betts Handy Box Electrical Boxes Knockout Wire Holder - 10-Knockout - 2-1/8 x 4 x 2-1/8 In. $23.62

$2362
current price $23.62Thomas & Betts Handy Box Electrical Boxes Knockout Wire Holder - 10-Knockout - 2-1/8 x 4 x 2-1/8 In.
1 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets Silver 1set $14.65

$1465
current price $14.651 Box 20Pcs Electrical Box Knockout Plugs Bulk Silver Metal Stainless Steel Removable Flat Round Instant Panel Knockouts Seal Plug for Conduit Closure Unused Electric Box Outlets Silver 1set
Hubbell Electrical Products Electrical Outlet Box Raco Octagon - 4 Side Knockouts, Steel, Bulk - 15.5 Cu in $10.72

$1072
current price $10.72Hubbell Electrical Products Electrical Outlet Box Raco Octagon - 4 Side Knockouts, Steel, Bulk - 15.5 Cu in
Raco 8146 4" Octagon Box, 1-1/2" Deep, 1/2" Side Knockouts, Side holes, NMSC clamps $9.60

$960
current price $9.60Raco 8146 4" Octagon Box, 1-1/2" Deep, 1/2" Side Knockouts, Side holes, NMSC clamps
Hubbell-Raco 8232 2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts, Welded 4-Inch Square Box (1, Fur Pak) $27.92

$2792
current price $27.92Hubbell-Raco 8232 2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts, Welded 4-Inch Square Box (1, Fur Pak)
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