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$1.55

Steel-City 54151-1/2 4" Octagon Box, Steel, 15.8Cu, 1/2-Ko

Gordon Electric Supply

$1.55

Steel-City 54151-1/2 4" Octagon Box, Steel, 15.8Cu, 1/2-Ko

Gordon Electric Supply

$438.75

Steel-City 52171N Square Box 30.3Cu 1/2 3/4E-Ko Steel Nm Cable

Gordon Electric Supply

$438.75

Steel-City 52171N Square Box 30.3Cu 1/2 3/4E-Ko Steel Nm Cable

Gordon Electric Supply

$3.06

Steel-City 54151-3/4 4" Octagon Box Steel 15.8Cu 3/4-Ko

Gordon Electric Supply

$3.06

Steel-City 54151-3/4 4" Octagon Box Steel 15.8Cu 3/4-Ko

Gordon Electric Supply

$1,735.00

Steel-City G-2000 Raceway Junction-Box Type E Steel

Gordon Electric Supply

$1,735.00

Steel-City G-2000 Raceway Junction-Box Type E Steel

Gordon Electric Supply

$8,236.50

Steel-City G2006 Square Raceway Type C Junction Box Steel

Gordon Electric Supply

$8,236.50

Steel-City G2006 Square Raceway Type C Junction Box Steel

Gordon Electric Supply

$337.50

Steel-City 52171-1/2-3/4-E-30 4" Square Box, Steel, 30.3Cu, 1/2&3/4E-Ko

Gordon Electric Supply

$337.50

Steel-City 52171-1/2-3/4-E-30 4" Square Box, Steel, 30.3Cu, 1/2&3/4E-Ko

Gordon Electric Supply

$9.09

Garvin 72181-S 4-11/16" Welded Junction Box 3" Deep 1/2" & 3/4" Ko's

Gordon Electric Supply

$9.09

Garvin 72181-S 4-11/16" Welded Junction Box 3" Deep 1/2" & 3/4" Ko's

Gordon Electric Supply

$132.00

Steel-City 52151-1234Gb Drawn 1-1/2" Deep Box C/W Ground Bump

Gordon Electric Supply

$132.00

Steel-City 52151-1234Gb Drawn 1-1/2" Deep Box C/W Ground Bump

Gordon Electric Supply

$10.69

Garvin 72181-3/4 4-11/16" Welded Junction Box 3" Deep 3/4" Ko's

Gordon Electric Supply

$10.69

Garvin 72181-3/4 4-11/16" Welded Junction Box 3" Deep 3/4" Ko's

Gordon Electric Supply

$1,216.25

Steel-City 58371-T-1/2 1-Gang Utilty Box, Steel, 14.5Cu, 1/2Ko T-Bracket

Gordon Electric Supply

$1,216.25

Steel-City 58371-T-1/2 1-Gang Utilty Box, Steel, 14.5Cu, 1/2Ko T-Bracket

Gordon Electric Supply

$10.69

Garvin 72181-1-1/2 4-11/16" Welded Junction Box 3" Deep 1-1/2" Ko's

Gordon Electric Supply

$10.69

Garvin 72181-1-1/2 4-11/16" Welded Junction Box 3" Deep 1-1/2" Ko's

Gordon Electric Supply

$8.39

Garvin 72181-Dta 4-11/16" Data Cable Junction Box 3.3" Deep Concentric Ko's

Gordon Electric Supply

$8.39

Garvin 72181-Dta 4-11/16" Data Cable Junction Box 3.3" Deep Concentric Ko's

Gordon Electric Supply

$6.49

Garvin 52171-Kor 4" Sq Junction Box For Corrugated Steel Walls 2-1/8" Deep Elevated Ko's (8) 1/2" & (4) Combo Side Kos

Gordon Electric Supply

$6.49

Garvin 52171-Kor 4" Sq Junction Box For Corrugated Steel Walls 2-1/8" Deep Elevated Ko's (8) 1/2" & (4) Combo Side Kos

Gordon Electric Supply

$13.79

Garvin 52181-3/4-Spkrr 4" Sq 3-1/2" Extra Deep Red Concrete Box W/(8) 3/4" Side Ko's & Raised Ground Hump

Gordon Electric Supply

$13.79

Garvin 52181-3/4-Spkrr 4" Sq 3-1/2" Extra Deep Red Concrete Box W/(8) 3/4" Side Ko's & Raised Ground Hump

Gordon Electric Supply

$1.69

Garvin 52171-1/2Dr 4" Sq Junction Box Drawn 2-1/8" Deep (12) 1/2" Side Ko's

Gordon Electric Supply

$1.69

Garvin 52171-1/2Dr 4" Sq Junction Box Drawn 2-1/8" Deep (12) 1/2" Side Ko's

Gordon Electric Supply

$33.80

Steel-City 54171-1/2-Cn Octagon Box 11.8Cub Steel W/Scrw

Gordon Electric Supply

$33.80

Steel-City 54171-1/2-Cn Octagon Box 11.8Cub Steel W/Scrw

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

$8.89

Garvin 52181-3/4-1 4" Sq Box 3-1/2" Deep 3/4" And 1" Ko's

Gordon Electric Supply

$225.00

Steel-City 54171N-25 4" Octagon Box, Steel, 22.5Cu, 1/2-Ko, Cla

Gordon Electric Supply

$225.00

Steel-City 54171N-25 4" Octagon Box, Steel, 22.5Cu, 1/2-Ko, Cla

Gordon Electric Supply

$6.49

Garvin G603-Ow 3-1/2" Deep Switch Box W/Old-Work Clips And (6) 1/2" Side Ko's And (2) 1/2" Bottom Ko's

Gordon Electric Supply

$6.49

Garvin G603-Ow 3-1/2" Deep Switch Box W/Old-Work Clips And (6) 1/2" Side Ko's And (2) 1/2" Bottom Ko's

Gordon Electric Supply

$10.79

Garvin 72181-Dtab 4-11/16" Data Cable Junction Box W/Angle Bracket 3.3" Deep Concentric Ko's

Gordon Electric Supply

$10.79

Garvin 72181-Dtab 4-11/16" Data Cable Junction Box W/Angle Bracket 3.3" Deep Concentric Ko's

Gordon Electric Supply

$1.19

Garvin 72171-3/4-1 4-11/16" Drawn Junction Box 2-1/8" Deep 3/4" & 1" Ko's

Gordon Electric Supply

$1.19

Garvin 72171-3/4-1 4-11/16" Drawn Junction Box 2-1/8" Deep 3/4" & 1" Ko's

Gordon Electric Supply

$4.79

Garvin G500-Owbx 1-1/2" Deep Cut-In Switch Box For Hollow Walls W/Clamps For Flexible Metal Conduits

Gordon Electric Supply

$4.79

Garvin G500-Owbx 1-1/2" Deep Cut-In Switch Box For Hollow Walls W/Clamps For Flexible Metal Conduits

Gordon Electric Supply

$9.29

Garvin 52171-Ow 4" Sq Cut In Old Work Junction Box 2-1/8" Deep

Gordon Electric Supply

$9.29

Garvin 52171-Ow 4" Sq Cut In Old Work Junction Box 2-1/8" Deep

Gordon Electric Supply

$3.90

Steel-City Cdow 3X2X2-1/2" Switch Box, Gangable, Ears

Gordon Electric Supply

$3.90

Steel-City Cdow 3X2X2-1/2" Switch Box, Gangable, Ears

Gordon Electric Supply

$2.00

Garvin 72171-1-1/4W 4-11/16" Welded Junction Box 2-1/8" Deep 1 & 1-1/4" Ko's

Gordon Electric Supply

$2.00

Garvin 72171-1-1/4W 4-11/16" Welded Junction Box 2-1/8" Deep 1 & 1-1/4" Ko's

Gordon Electric Supply

$9.49

Garvin 52151-Blnk 4" Sq Blank Junction Box 1-1/2" Deep No Ko's

Gordon Electric Supply

$9.49

Garvin 52151-Blnk 4" Sq Blank Junction Box 1-1/2" Deep No Ko's

Gordon Electric Supply

$48.09

Knockout Electrical Enclosures | NEMA Box | SK-28

Polycase

$48.09

Knockout Electrical Enclosures | NEMA Box | SK-28

Polycase

$24.29

$25.99

Venussar 4" Square Electrical Box With Cover, 1-1/2" Deep Metal Electrical Box, Ten 1/2'' And Six 3/4'' Knockouts, Galvanized Steel, 21.0 Cu. In.

Amazon.com

$24.29

$25.99

Venussar 4" Square Electrical Box With Cover, 1-1/2" Deep Metal Electrical Box, Ten 1/2'' And Six 3/4'' Knockouts, Galvanized Steel, 21.0 Cu. In.

Amazon.com

$16.52

Plastic Outdoor Electrical Junction Box With Knockouts | SK-12

Polycase

$16.52

Plastic Outdoor Electrical Junction Box With Knockouts | SK-12

Polycase

$61.42

Wire Products 3.5" X 3.5" X1.64" Grey Junction Box W/Knockout ENCL332

DkHardware.com

$61.42

Wire Products 3.5" X 3.5" X1.64" Grey Junction Box W/Knockout ENCL332

DkHardware.com

$62.99

$72.00

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

12% off

$62.99

$72.00

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

$6.75

Southwire Southwire Junction Box 11-Knockout 1/2 in Knockout Steel Silver Galvanized 52151-R-UPC

DkHardware.com

$6.75

Southwire Southwire Junction Box 11-Knockout 1/2 in Knockout Steel Silver Galvanized 52151-R-UPC

DkHardware.com

$41.86

Knockout Electrical Enclosures | NEMA Box | SK-29

Polycase

$41.86

Knockout Electrical Enclosures | NEMA Box | SK-29

Polycase

$34.39

Garvin Southwire 4-11/16 Welded Junction Box 3 Inch Deep 3/4 Inch Knockouts (72181-3/4)

Lite Store USA

$34.39

Garvin Southwire 4-11/16 Welded Junction Box 3 Inch Deep 3/4 Inch Knockouts (72181-3/4)

Lite Store USA

$32.89

Qlvily 8 Packs 4 X 2 Inch Metal Electrical Box With Bracket, 1/2 Inch End Knockouts Electrical Box, Wood/Metal Stud Bracket Welded, Junction Box,

Amazon.com

$32.89

Qlvily 8 Packs 4 X 2 Inch Metal Electrical Box With Bracket, 1/2 Inch End Knockouts Electrical Box, Wood/Metal Stud Bracket Welded, Junction Box,

Amazon.com

$20.59

Garvin Southwire 4-11/16 Welded Junction Box 3 Inch Deep 1-1/4 Inch Knockouts (72181-1-1/4)

Lite Store USA

$20.59

Garvin Southwire 4-11/16 Welded Junction Box 3 Inch Deep 1-1/4 Inch Knockouts (72181-1-1/4)

Lite Store USA

wikiHow

How to Remove a "Knock Out" from an Electrical Box

A "knock out" or "KO" is a partially stamped opening in electrical enclosures that allows quick entry of a wire, cable or pipe via connector or fitting to the interior. With the right information and technique, you should be able to remove...

295.8K views4 months ago

Junction Box Wiring

How to Mount and Wire a Junction Box

wikiHowRalph Childers

166K views3 months ago

14:52

How to Wire a Junction Box for Socket and Light Circuits

diydoctor.org.uk

Jan 1, 2009

17:00

How to Install an Electrical Junction Box

thespruce.com

Oct 15, 2024

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