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Alarm SystemsAll Home SecurityBrackets and Angle IronsBreakers, Distributors, and Load CentersConduits and FittingsDimmers, Switches, and Wall PlatesDoor HardwareDoorbellsElectrical ToolsEmergency SuppliesFastenersFire SafetyHome SafetyHVAC Ducting and VentilationOutletsPersonal PreparednessStorm & Flood Prep
Knockout Electrical Box(350)
Uses item details. Price when purchased online
SatelliteSale Weatherproof Junction Box Heavy Duty Enclosure 9x9x4 inches UV-Rated Thermoplastic Alloy Made in USA From $28.99
Sponsored
From$2899
SatelliteSale Weatherproof Junction Box Heavy Duty Enclosure 9x9x4 inches UV-Rated Thermoplastic Alloy Made in USA
264.9 out of 5 Stars. 26 reviews
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New Work Electrical Outlet Box, 22 Cu. in, Outlet Box,ETL Listed to UL514C and UL263, 2 Hour Fire Rating single gang box, Gray,100 PCS From $64.99
Sponsored
From$6499
New Work Electrical Outlet Box, 22 Cu. in, Outlet Box,ETL Listed to UL514C and UL263, 2 Hour Fire Rating single gang box, Gray,100 PCS
15 out of 5 Stars. 1 reviews
HIITIO 60 Amp 240V Fused AC Disconnect Box - Outdoor Waterproof Metal Electrical Enclosure with Safety Switch for HVAC, Air Conditioners & Heat Pumps - UL Listed $26.58
Sponsored
$2658
current price $26.58HIITIO 60 Amp 240V Fused AC Disconnect Box - Outdoor Waterproof Metal Electrical Enclosure with Safety Switch for HVAC, Air Conditioners & Heat Pumps - UL Listed
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10 Pcs 1 Gang Plastic Electrical Box, ETL Certified PVC Junction Box, Shallow Design for Wiring Conduits and Switches, 2-Hour Fire Rated for Safe Installations $23.98
Sponsored
$2398
current price $23.9810 Pcs 1 Gang Plastic Electrical Box, ETL Certified PVC Junction Box, Shallow Design for Wiring Conduits and Switches, 2-Hour Fire Rated for Safe Installations
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Strong Galvanized Steel Junction Box Octagonal Shape 4x4inch Size Includes Multiple Knockout Holes for Wiring Use $10.66
$1066
current price $10.66Strong Galvanized Steel Junction Box Octagonal Shape 4x4inch Size Includes Multiple Knockout Holes for Wiring Use
Raco Electrical Box,Handy,1/2 in. Knockout 681 $16.15
$1615
current price $16.15Raco Electrical Box,Handy,1/2 in. Knockout 681
Thomas & Betts 52171 3-4-30 4 x 2.13 in. Square Box with 0.75 in. Knockouts $9.99
$999
current price $9.99Thomas & Betts 52171 3-4-30 4 x 2.13 in. Square Box with 0.75 in. Knockouts
Four 4" Ceiling Electrical Box Galvanized Steel,Pancake Box for Ceiling Fan and Wall Lighting Fixtures,Drawn Construction,1/2" Deep, 4 * 1/2" Bottom Knockouts,Raised Ground $17.99
$1799
current price $17.99Four 4" Ceiling Electrical Box Galvanized Steel,Pancake Box for Ceiling Fan and Wall Lighting Fixtures,Drawn Construction,1/2" Deep, 4 * 1/2" Bottom Knockouts,Raised Ground
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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
THOMAS & BETTS Adjust-A-Box Electrical Box With Range Knock Out, 2-Gang, Non-Metallic B234ADJC $17.29 Was $24.99
Now$1729
current price Now $17.29, Was $24.99$24.99
THOMAS & BETTS Adjust-A-Box Electrical Box With Range Knock Out, 2-Gang, Non-Metallic B234ADJC
Journeyman-Pro PIB-L5-30P Black 4.13"x 6.10"x 4.13", 1 Gang Steel Generator Inlet Electrical Box From $49.99
Sponsored
From$4999
Journeyman-Pro PIB-L5-30P Black 4.13"x 6.10"x 4.13", 1 Gang Steel Generator Inlet Electrical Box
45 out of 5 Stars. 4 reviews
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HIITIO 240V 30A AC Disconnect Box, Fused 1 Phase 3-Wire, Outdoor Waterproof Metal Enclosure with Pull-Out Switch for HVAC, Air Conditioner & Condenser Units - UL Listed $25.99
Sponsored
$2599
current price $25.99HIITIO 240V 30A AC Disconnect Box, Fused 1 Phase 3-Wire, Outdoor Waterproof Metal Enclosure with Pull-Out Switch for HVAC, Air Conditioner & Condenser Units - UL Listed
24.5 out of 5 Stars. 2 reviews
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Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece $14.57
$1457
current price $14.57Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece
Reduced price RACO 518 1-Gang Steel Electrical Box 4.22" Galvanized 5 Knockouts (Gray) Was $33.81
RACO 518 1-Gang Steel Electrical Box 4.22" Galvanized 5 Knockouts (Gray)
RACO 4" Square Electrical Box With 12 Side & 5 Bottom Knockouts - Electrical Knockout $9.12
$912
current price $9.12RACO 4" Square Electrical Box With 12 Side & 5 Bottom Knockouts - Electrical Knockout
4 Inch Round Outdoor Electrical Box with Cover, Die-Cast Aluminum, IP65 Weatherproof, Six 1/2-Inch Knockouts, UL Listed, 16 Cubic Inch, Brown From $9.99
2 options
Available in additional 2 optionsFrom$999
4 Inch Round Outdoor Electrical Box with Cover, Die-Cast Aluminum, IP65 Weatherproof, Six 1/2-Inch Knockouts, UL Listed, 16 Cubic Inch, Brown
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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
Four Set of 4x4 Electrical Box and Electrical Outlet Cover With 4×6 screws,2-Gang Duplex Receptacle Box,8*1/2''&4*3/4"in Side and 2*1/2''& 2*3/4" in Bottom Knockouts,Square Metal Electrical Box From $8.11
From$811
Four Set of 4x4 Electrical Box and Electrical Outlet Cover With 4×6 screws,2-Gang Duplex Receptacle Box,8*1/2''&4*3/4"in Side and 2*1/2''& 2*3/4" in Bottom Knockouts,Square Metal Electrical Box
15 out of 5 Stars. 1 reviews
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 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)
HIITIO 60A 240V Non-Fused AC Disconnect Box, Outdoor Waterproof Metal Enclosure Safety Switch for HVAC, Air Conditioner, Heat Pump, UL Listed (NEMA 3R) $22.39 Was $27.99
Sponsored
Now$2239
current price Now $22.39, Was $27.99$27.99
HIITIO 60A 240V Non-Fused AC Disconnect Box, Outdoor Waterproof Metal Enclosure Safety Switch for HVAC, Air Conditioner, Heat Pump, UL Listed (NEMA 3R)
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HIITIO 60 Amp HVAC Disconnect Switch, 240V AC Outdoor Non-Fused Electrical Safety Switch with Pull Out, Weatherproof Metal Enclosure for AC Unit, Heat Pump, Pool Pump, UL Listed (NEMA 3R) $27.59
Sponsored
$2759
current price $27.59HIITIO 60 Amp HVAC Disconnect Switch, 240V AC Outdoor Non-Fused Electrical Safety Switch with Pull Out, Weatherproof Metal Enclosure for AC Unit, Heat Pump, Pool Pump, UL Listed (NEMA 3R)
15 out of 5 Stars. 1 reviews
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Hubbell Welded Masonry Electrical Box 1 Gang - 8 Concentric Knockouts - 3-3/4" x 1-31/32" $14.21
$1421
current price $14.21Hubbell Welded Masonry Electrical Box 1 Gang - 8 Concentric Knockouts - 3-3/4" x 1-31/32"
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)
Steel City 541511/2 4" Octagon Electrical Box, 15.8 Cubic Inches, 1-1/2" Deep, 1/2" Knockouts, Pre-Galvanized Steel, Drawn Construction $8.20
$820
current price $8.20Steel City 541511/2 4" Octagon Electrical Box, 15.8 Cubic Inches, 1-1/2" Deep, 1/2" Knockouts, Pre-Galvanized Steel, Drawn Construction
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
Electrical Box, Handy, 1/2 in. Knockout $16.34
$1634
current price $16.34Electrical Box, Handy, 1/2 in. Knockout
Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout $15.32
$1532
current price $15.32Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout
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
Electrical Box, Handy, 1/2" Knockout
Electrical Box, Handy, 1/2" Knockout
KFFKFF 9" in-Wall Media Box, Media Enclosure with Cover for Cable Management, Robust Cold-Rolled Steel Recessed Storage Box, Suitable for Home Theater TV, White $31.99
Sponsored
$3199
current price $31.99KFFKFF 9" in-Wall Media Box, Media Enclosure with Cover for Cable Management, Robust Cold-Rolled Steel Recessed Storage Box, Suitable for Home Theater TV, White
KFFKFF 42-Inch Media Enclosure, Structured Media Center with Breathable Pivoting Door, Cable Management Box, Comprehensive Wiring Versatile Cabinet, Recessed Electrical Media Shell $87.99
Sponsored
$8799
current price $87.99KFFKFF 42-Inch Media Enclosure, Structured Media Center with Breathable Pivoting Door, Cable Management Box, Comprehensive Wiring Versatile Cabinet, Recessed Electrical Media Shell
15 out of 5 Stars. 1 reviews
4 Pack Octagon Stainless Steel Electrical Junction Box, 4" Square Drawn Metal Box, 1-1/2" Deep, 15.5 Cu In, UL Listed, 4 1/2" & 4 3/4" Knockouts $15.99
$1599
current price $15.994 Pack Octagon Stainless Steel Electrical Junction Box, 4" Square Drawn Metal Box, 1-1/2" Deep, 15.5 Cu In, UL Listed, 4 1/2" & 4 3/4" Knockouts
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
Airmont Weatherproof 2-Gang Outdoor Electrical Box Solid Die-Cast Aluminum, 3 -In Knockouts, Precision-Machined for Dual Outlets or Switches on Patios, Decks, Garages & Wet-Location Installs $20.99
$2099
current price $20.99Airmont Weatherproof 2-Gang Outdoor Electrical Box Solid Die-Cast Aluminum, 3 -In Knockouts, Precision-Machined for Dual Outlets or Switches on Patios, Decks, Garages & Wet-Location Installs
Galvanized 4" Square Drawn Electrical Box, 1-1/2" Deep Electrical Junction Box with Ten 1/2" and Six 3/4" Knockouts, Raised Grounded, Metal Electrical Box, 21.0 Cu. in. Capacity $20.99
$2099
current price $20.99Galvanized 4" Square Drawn Electrical Box, 1-1/2" Deep Electrical Junction Box with Ten 1/2" and Six 3/4" Knockouts, Raised Grounded, Metal Electrical Box, 21.0 Cu. in. Capacity
RACO Square Electrical Box 8265 - 2-1/8 In. Deep, 3/4 & 1 In. Knockouts - 3 Pack From $15.57
4 options
Available in additional 4 optionsFrom$1557
RACO Square Electrical Box 8265 - 2-1/8 In. Deep, 3/4 & 1 In. Knockouts - 3 Pack
509 Knockouts Old Work Switch Box $47.58
$4758
current price $47.58509 Knockouts Old Work Switch Box
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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Raco Electrical Box 8232 - Welded Square Box, Side Knockouts, Screw-in - 4 in x 2-1/8 in Deep $10.84
$1084
current price $10.84Raco Electrical Box 8232 - Welded Square Box, Side Knockouts, Screw-in - 4 in x 2-1/8 in Deep
2-Gang Masonry Electrical Box, Metal Electrical Box, 2-1/2" Depth, 12 EKO Knockouts, Width 3.75'', Height 3.78'', Masonry Box 2-Gang, Welded Design, Steel Device Boxes for Masonry Walls $15.99
$1599
current price $15.992-Gang Masonry Electrical Box, Metal Electrical Box, 2-1/2" Depth, 12 EKO Knockouts, Width 3.75'', Height 3.78'', Masonry Box 2-Gang, Welded Design, Steel Device Boxes for Masonry Walls
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
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) $28.99
$2899
current price $28.994 Pack Shallow Electrical Box, 1/2-Inch Deep, 1/2-Inch Bottom Knockouts 4-Inch Round Ceiling Pan Pancake Box Round Electrical Box (4)
MK - 2-Gang Steel Surface Back Box with Knockouts $49.95
$4995
current price $49.95MK - 2-Gang Steel Surface Back Box with Knockouts
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,
(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
MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth $42.95
$4295
current price $42.95MK - 1-Gang Steel Surface Back Box with Knockouts, 40mm Depth
RACO 952 3-Gang 1-5/8-Inch Deep Welded Gang Electrical Box with (14) Concentric 1/2-Inch and 3/4-Inch Knockouts $31.21
$3121
current price $31.21RACO 952 3-Gang 1-5/8-Inch Deep Welded Gang Electrical Box with (14) Concentric 1/2-Inch and 3/4-Inch Knockouts
Thomas & Betts-carlon 2Gang Knockout Box - .5 In. $31.67
$3167
current price $31.67Thomas & Betts-carlon 2Gang Knockout Box - .5 In.
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Electrical Box, Switch, 3X2X2-1/2 in.$14.11current price $14.11
