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Alarm SystemsAll Garage StorageAll Home SecurityAll Renewable EnergyAll Tool SetsBathroom PlumbingBrackets and Angle IronsBreakers, Distributors, and Load CentersCable ManagementCommercial LightingConduits and FittingsDimmers, Switches, and Wall PlatesDoor HardwareDoorbellsElectrical ToolsElectronic Communication ComponentsEmergency SuppliesExtension CordsFastenersFire SafetyGarage LightsGarage Shelves and RacksGarage Storage SystemsGuttering & DrainageHand ToolsHome SafetyHVAC Ducting and VentilationKitchen Fixtures and MaterialsKitchen PlumbingLight BulbsLight TimersMechanics ToolsMillworkOutletsPersonal PreparednessPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesPower ToolsPower TransformersSafes & LockboxesSolar AccessoriesSolar Charge ControllerSolderingStorage ContainersStorm & Flood PrepSurveillanceThermostatsToilets and BidetsTool Equipment & StorageValves & Valve RepairWater Heaters, Pumps & TanksWelding & Cutting AccessoriesWinter Prep

Knockout Box

Uses item details. Price when purchased online

Strong Galvanized Steel Junction Box Octagonal Shape 4x4inch Size Includes Multiple Knockout Holes for Wiring Use $10.66

Strong Galvanized Steel Junction Box Octagonal Shape 4x4inch Size Includes Multiple Knockout Holes for Wiring Use
current price $10.66

Strong Galvanized Steel Junction Box Octagonal Shape 4x4inch Size Includes Multiple Knockout Holes for Wiring Use

OHLECTRIC 4” Welded Octagon Steel Electrical Box (4 Pack)| 1-1/2" Deep Box with 1/2” Knockouts and MC Clamps, Fire Rated | Ideal for Lighting Fixtures, Switches and Receptacles From $23.99

OHLECTRIC 4” Welded Octagon Steel Electrical Box (4 Pack)| 1-1/2" Deep Box with 1/2” Knockouts and MC Clamps, Fire Rated | Ideal for Lighting Fixtures, Switches and Receptacles
Available in additional 4 options
Options
From$2399

OHLECTRIC 4” Welded Octagon Steel Electrical Box (4 Pack)| 1-1/2" Deep Box with 1/2” Knockouts and MC Clamps, Fire Rated | Ideal for Lighting Fixtures, Switches and Receptacles

Hubbell Handy Box Single Gang Four 3/4 In. Knockouts 1-7/8 In. Deep $18.71

Hubbell Handy Box Single Gang Four 3/4 In. Knockouts 1-7/8 In. Deep
current price $18.71

Hubbell Handy Box Single Gang Four 3/4 In. Knockouts 1-7/8 In. Deep

RACO Handy Box Junction Box - 1-Gang, 7-Knockout, Steel, Gray $7.85

RACO Handy Box Junction Box - 1-Gang, 7-Knockout, Steel, Gray
current price $7.85

RACO Handy Box Junction Box - 1-Gang, 7-Knockout, Steel, Gray

Raco Electrical Box,Handy,1/2 in. Knockout 681 $16.15

Raco Electrical Box,Handy,1/2 in. Knockout 681
current price $16.15

Raco Electrical Box,Handy,1/2 in. Knockout 681

RACO 8190 Outlet Box Knockout Cable Entry 16-Knockout Steel $9.12

RACO 8190 Outlet Box Knockout Cable Entry 16-Knockout Steel
current price $9.12

RACO 8190 Outlet Box Knockout Cable Entry 16-Knockout Steel

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 $14.39 Was $15.99

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
current price Now $14.39, Was $15.99

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

Thomas & Betts 52171 3-4-30 4 x 2.13 in. Square Box with 0.75 in. Knockouts $9.99

Thomas & Betts 52171 3-4-30 4 x 2.13 in. Square Box with 0.75 in. Knockouts
current price $9.99

Thomas & Betts 52171 3-4-30 4 x 2.13 in. Square Box with 0.75 in. Knockouts

Solar Controller Knockout Box - Go Power! GP-PWM-30-KBOX $64.68

Solar Controller Knockout Box - Go Power! GP-PWM-30-KBOX
current price $64.68

Solar Controller Knockout Box - Go Power! GP-PWM-30-KBOX

Hubbell Handy Box Knockout Combo - Steel, Rectangle, 1 Gang, Silver $8.22

Hubbell Handy Box Knockout Combo - Steel, Rectangle, 1 Gang, Silver
current price $8.22

Hubbell Handy Box Knockout Combo - Steel, Rectangle, 1 Gang, Silver

Peerless-av Peerless-av In-wall Metal Box With Knockout (large; Without Power Outlet) $88.48

Peerless-av Peerless-av In-wall Metal Box With Knockout (large; Without Power Outlet)
current price $88.48

Peerless-av Peerless-av In-wall Metal Box With Knockout (large; Without Power Outlet)

Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout $15.32

Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout
current price $15.32

Orbit Industries 5SDB-MKO 5S Box 2.125 in. Deep M Knockout

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

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
current price $17.99

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

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 518 1-Gang Steel Electrical Box 4.22" Galvanized 5 Knockouts (Gray)

Raco Electrical Box,Handy,1/2&3/4 in Knockout 683 $12.85

Raco Electrical Box,Handy,1/2&3/4 in Knockout 683
current price $12.85

Raco Electrical Box,Handy,1/2&3/4 in Knockout 683

Reduced price 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, $37.79 Was $41.99

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,
current price Now $37.79, Was $41.99

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,

Thomas & Betts Handy Box Electrical Boxes Knockout Wire Holder - 10-Knockout - 2-1/8 x 4 x 2-1/8 In. $23.62

Thomas & Betts Handy Box Electrical Boxes Knockout Wire Holder - 10-Knockout - 2-1/8 x 4 x 2-1/8 In.
current price $23.62

Thomas & Betts Handy Box Electrical Boxes Knockout Wire Holder - 10-Knockout - 2-1/8 x 4 x 2-1/8 In.

OHLECTRIC 4x2 Electrical Junction Boxes (20-Pack) 4 Inch x 2 Inch Heavy-Duty Steel Metal Outlet Boxes, 1/2" & 3/4" Knockouts, 1-7/8 Inch Deep, 13 Cu in. Galvanized Electrical Box, Industrial Grade From $39.99

OHLECTRIC 4x2 Electrical Junction Boxes (20-Pack) 4 Inch x 2 Inch Heavy-Duty Steel Metal Outlet Boxes, 1/2" & 3/4" Knockouts, 1-7/8 Inch Deep, 13 Cu in. Galvanized Electrical Box, Industrial Grade
Available in additional 2 options
Options
From$3999

OHLECTRIC 4x2 Electrical Junction Boxes (20-Pack) 4 Inch x 2 Inch Heavy-Duty Steel Metal Outlet Boxes, 1/2" & 3/4" Knockouts, 1-7/8 Inch Deep, 13 Cu in. Galvanized Electrical Box, Industrial Grade

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish $8.52

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish
current price $8.52

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish

Hubbell Raco 8265 4-11/16" Square Box With 3/4" & 1" Knockouts $316.75

Hubbell Raco 8265 4-11/16" Square Box With 3/4" & 1" Knockouts
current price $316.75

Hubbell Raco 8265 4-11/16" Square Box With 3/4" & 1" Knockouts

Hubbell 666 Knockout Combo Handy Box $8.22

Hubbell 666 Knockout Combo Handy Box
current price $8.22

Hubbell 666 Knockout Combo Handy Box

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts Ideal for Residential & Commercial Use $13.50

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts Ideal for Residential & Commercial Use
current price $13.50

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts Ideal for Residential & Commercial Use

Steel City 52151-3/4 Pre-Galvanized Steel Square Box with 1/2-Inch and 3/4-Inch Knockouts $9.75

Steel City 52151-3/4 Pre-Galvanized Steel Square Box with 1/2-Inch and 3/4-Inch Knockouts
current price $9.75

Steel City 52151-3/4 Pre-Galvanized Steel Square Box with 1/2-Inch and 3/4-Inch Knockouts

Reduced price 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 $9.89 Was $10.99

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
current price Now $9.89, Was $10.99

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

Hubbell-Raco 8232 2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts, Welded 4-Inch Square Box (1, Sngl pk) $16.07

Hubbell-Raco 8232 2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts, Welded 4-Inch Square Box (1, Sngl pk)
current price $16.07

Hubbell-Raco 8232 2-1/8-Inch Deep, 1/2-Inch and 3/4-Inch Side Knockouts, Welded 4-Inch Square Box (1, Sngl pk)

Hubbell Electrical Raco Octagon Box 15.5 Cu In J 4 Side Knockouts 1/2 " Steel Bulk Home & Garage Storage, Stackable Design $34.73 Was $41.06

Hubbell Electrical Raco Octagon Box 15.5 Cu In J 4 Side Knockouts 1/2 " Steel Bulk Home & Garage Storage, Stackable Design
current price Now $34.73, Was $41.06

Hubbell Electrical Raco Octagon Box 15.5 Cu In J 4 Side Knockouts 1/2 " Steel Bulk Home & Garage Storage, Stackable Design

Raco 127 Octagon Box, Steel, 4", 1/2"-3/4" Knockout $10.91

Raco 127 Octagon Box, Steel, 4", 1/2"-3/4" Knockout
current price $10.91

Raco 127 Octagon Box, Steel, 4", 1/2"-3/4" Knockout

Hubbell Raco 0683 Two Gang 4" Square Box With Knockouts Home & Garage Storage, Stackable Design $64.86

Hubbell Raco 0683 Two Gang 4" Square Box With Knockouts Home & Garage Storage, Stackable Design
current price $64.86

Hubbell Raco 0683 Two Gang 4" Square Box With Knockouts Home & Garage Storage, Stackable Design

Hubbell 167 Octagon Box 4", 2-1/8" Deep, 1/2" & 3/4" Side Knockouts - Pkg Qty 50 167 $10.51

Hubbell 167 Octagon Box 4", 2-1/8" Deep, 1/2" & 3/4" Side Knockouts - Pkg Qty 50 167
current price $10.51

Hubbell 167 Octagon Box 4", 2-1/8" Deep, 1/2" & 3/4" Side Knockouts - Pkg Qty 50 167

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts for Residential & Commercial Use $13.50

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts for Residential & Commercial Use
current price $13.50

OHLECTRIC 2-1/2" Deep Gangable Switch Box with BX/MC Cable Clamp Galvanized Steel 1/2 & 3/4 Knockouts for Residential & Commercial Use

Reduced price Octagonal Box 4x4inch Featuring Raised Effect Knockout 15.5 Cubic Inches Capacity Ideal for Home Improvement $11.57 Was $15.76

Octagonal Box 4x4inch Featuring Raised Effect Knockout 15.5 Cubic Inches Capacity Ideal for Home Improvement
current price Now $11.57, Was $15.76

Octagonal Box 4x4inch Featuring Raised Effect Knockout 15.5 Cubic Inches Capacity Ideal for Home Improvement

Reduced price 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 $18.89 Was $20.99

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
current price Now $18.89, Was $20.99

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

Thomas & Betts-carlon 2Gang Knockout Box - .5 In. $31.67

Thomas & Betts-carlon 2Gang Knockout Box - .5 In.
current price $31.67

Thomas & Betts-carlon 2Gang Knockout Box - .5 In.

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish. 6 Pack $28.35

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish. 6 Pack
current price $28.35

Hubbell-Raco 127 Octagon Box, 4-Inch, Raised Ground 1-1/2-Inch Deep 1/2-Inch and 3/4-Inch Side Knockouts, 4 in, Gray Finish. 6 Pack

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) $35.15

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)
current price $35.15

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)

Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece $14.91

Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece
current price $14.91

Southwire Handy Box Electrical Boxes Knockout - Plastic - 1 Piece

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 $9.89 Was $10.99

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
current price Now $9.89, Was $10.99

4 x 2 Inch Single-Gang Deep Metal Handy Electrical Box, 2-1/8" Depth, Welded Steel, 3/4" Knockouts,
Surface Mount Utility Box

Reduced price 8 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 $26.99 Was $29.99

8 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
current price Now $26.99, Was $29.99

8 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 Electrical Raco Switch Box - 18 Cu In, 4 Side Knockouts, Steel, Electrical Knockout Home & Garage Storage, Stackable Design $30.41

Hubbell Electrical Raco Switch Box - 18 Cu In, 4 Side Knockouts, Steel, Electrical Knockout Home & Garage Storage, Stackable Design
current price $30.41

Hubbell Electrical Raco Switch Box - 18 Cu In, 4 Side Knockouts, Steel, Electrical Knockout Home & Garage Storage, Stackable Design

Hubbell-Raco 128 Octagonal Extension Box, 1-1/2" Depth, 1/2" Knock-Out, 4" (Pack of 25) $84.93

Hubbell-Raco 128 Octagonal Extension Box, 1-1/2" Depth, 1/2" Knock-Out, 4" (Pack of 25)
current price $84.93

Hubbell-Raco 128 Octagonal Extension Box, 1-1/2" Depth, 1/2" Knock-Out, 4" (Pack of 25)

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