Shop electrical extension boxes

Sponsored
About our ads
$38.99
$77.98
Sakerplus Electrical Outlet Extender 1Pc
Sakerplus
50% off
$38.99
$77.98
Sakerplus Electrical Outlet Extender 1Pc
Sakerplus
$13.79
Garvin 73171-Sub 4-11/16" Welded Extension Box Converts 1-Gang To 4-11/16" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
Gordon Electric Supply
$13.79
Garvin 73171-Sub 4-11/16" Welded Extension Box Converts 1-Gang To 4-11/16" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
Gordon Electric Supply
$312.50
Steel-City Sbex Steel Box Extension
Gordon Electric Supply
6
$312.50
Steel-City Sbex Steel Box Extension
Gordon Electric Supply
$4.89
Arlington Be3 Triple-Gang Box Extender
Lite Store USA
$4.89
Arlington Be3 Triple-Gang Box Extender
Lite Store USA
$6.89
Garvin Southwire 4-11/16 Welded Extension Box Converts One Gang To 4-11/16 Square 2-1/8 Inch Deep 1/2 And 3/4 (73171-Sub)
Lite Store USA
$6.89
Garvin Southwire 4-11/16 Welded Extension Box Converts One Gang To 4-11/16 Square 2-1/8 Inch Deep 1/2 And 3/4 (73171-Sub)
Lite Store USA
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
392
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
$5.39
Garvin Southwire 4 Square Box Extender 1/2 Inch Raised (Bex-450)
Lite Store USA
$5.39
Garvin Southwire 4 Square Box Extender 1/2 Inch Raised (Bex-450)
Lite Store USA
$9.39
Garvin Southwire 1-Gang Multi-Gang Device Extender 3/4 Inch Raised (Dex-175)
Lite Store USA
$9.39
Garvin Southwire 1-Gang Multi-Gang Device Extender 3/4 Inch Raised (Dex-175)
Lite Store USA
$5.95
Arlington Bes1 1-Gang Non-Metallic Box Extender
Lite Store USA
$5.95
Arlington Bes1 1-Gang Non-Metallic Box Extender
Lite Store USA
$37.99
DEWENWILS 6 Foot Long Power Strip, 6-Outlet Power Strip 6FT, 15 Amp Circuit Breaker, Low Profile Flat Plug, Surge Protector For Office, Living Room,
Amazon.com
1K+
Free shipping
$37.99
DEWENWILS 6 Foot Long Power Strip, 6-Outlet Power Strip 6FT, 15 Amp Circuit Breaker, Low Profile Flat Plug, Surge Protector For Office, Living Room,
Amazon.com
$8.25
Steel-City 55151-1/2-25 4" Octagon Box Extension Ring, 15.8Cu, Ko's
Gordon Electric Supply
17
$8.25
Steel-City 55151-1/2-25 4" Octagon Box Extension Ring, 15.8Cu, Ko's
Gordon Electric Supply
$218.75
Steel-City 55151-1/2&3/4 4" Octagon Box Extension Ring, Steel, 15.8Cu, 1/2&3/(Nri)
Gordon Electric Supply
47
$218.75
Steel-City 55151-1/2&3/4 4" Octagon Box Extension Ring, Steel, 15.8Cu, 1/2&3/(Nri)
Gordon Electric Supply
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
Gordon Electric Supply
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
Gordon Electric Supply
$50.28
Woods Designers Edge Extension Cord Storage Reel With 4 Outlet Power Block - Black/Yellow
Cable ties and more
148
$50.28
Woods Designers Edge Extension Cord Storage Reel With 4 Outlet Power Block - Black/Yellow
Cable ties and more
$4.99
Orbit Exf50-2 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$4.99
Orbit Exf50-2 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$13.57
Legrand - Wiremold Starter Box, Extra Deep Wiremold Outlet Box, White On-Wall Conduit Connector For Wiremold Box And Wiremold Raceway, BW35
Amazon.com
946
$13.57
Legrand - Wiremold Starter Box, Extra Deep Wiremold Outlet Box, White On-Wall Conduit Connector For Wiremold Box And Wiremold Raceway, BW35
Amazon.com
$6.82
Arlington Be3x 3-Gang Box Extender With Larger Flange
Lite Store USA
$6.82
Arlington Be3x 3-Gang Box Extender With Larger Flange
Lite Store USA
$6.99
Orbit Exf50-4 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$6.99
Orbit Exf50-4 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$7.11
Hubbell Raco Steel Electrical Box Extension Ring 665 - 47965645
Penn Tool Co
$7.11
Hubbell Raco Steel Electrical Box Extension Ring 665 - 47965645
Penn Tool Co
$86.81
Appleton Electric Cast Box Extension: Tandem Box Extension, Iron, Gray, 1 Model: FS-1EXT
Grainger
$86.81
Appleton Electric Cast Box Extension: Tandem Box Extension, Iron, Gray, 1 Model: FS-1EXT
Grainger
$19.99
Amazon Basics Surge Protector Power Strip, 12-Outlet, 4000 Joules, 8ft Extension Cord, Rectangle, For Home, Office, Gaming Room, White
Amazon.com
94
$19.99
Amazon Basics Surge Protector Power Strip, 12-Outlet, 4000 Joules, 8ft Extension Cord, Rectangle, For Home, Office, Gaming Room, White
Amazon.com
$76.95
Wiremold 2337A-Wh Non-Metallic Round Box Extension White
Gordon Electric Supply
$76.95
Wiremold 2337A-Wh Non-Metallic Round Box Extension White
Gordon Electric Supply
$19.48
Crouse-Hinds Aluminum Electrical Box Weatherproof Outlet Box Extension Includes (2) Mounting Screw, (4) Closure Plugs, Gasket, Grounding Screw Tp7152
Penn Tool Co
$19.48
Crouse-Hinds Aluminum Electrical Box Weatherproof Outlet Box Extension Includes (2) Mounting Screw, (4) Closure Plugs, Gasket, Grounding Screw Tp7152
Penn Tool Co
$3.09
Carlon B118B Switch/Outlet Box, New Work, 1 Gang
Lite Store USA
$3.09
Carlon B118B Switch/Outlet Box, New Work, 1 Gang
Lite Store USA
$11.99
Orbit Exf75-6 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$11.99
Orbit Exf75-6 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$520.00
Steel-City 25151-1/2 Octagon Box Extension Ring 3-1/2" Steel
Gordon Electric Supply
$520.00
Steel-City 25151-1/2 Octagon Box Extension Ring 3-1/2" Steel
Gordon Electric Supply
$9.74
Westgate Wxb50-4 1 Gang 1-3/8in Deep Extension Box, 4 Holes
Lite Store USA
$9.74
Westgate Wxb50-4 1 Gang 1-3/8in Deep Extension Box, 4 Holes
Lite Store USA
$72.81
Hubbell Killark Electrical Box: Aluminum, Rectangular, 1 Gangs, 1/2 in Hub Size, 18 Cu In Capacity Model: FSC-1
Grainger
$72.81
Hubbell Killark Electrical Box: Aluminum, Rectangular, 1 Gangs, 1/2 in Hub Size, 18 Cu In Capacity Model: FSC-1
Grainger
$4.89
Arlington Be1r Round Box Extender
Lite Store USA
$4.89
Arlington Be1r Round Box Extender
Lite Store USA
$7.74
Westgate Wxf50-6 1 Gang 1-9/16in Deep Flanged Extension Box, 6 Holes
Lite Store USA
$7.74
Westgate Wxf50-6 1 Gang 1-9/16in Deep Flanged Extension Box, 6 Holes
Lite Store USA
$5.82
Westgate Wxf50-2 1 Gang 1-9/16in Deep Flanged Extension Box, 2 Holes
Lite Store USA
$5.82
Westgate Wxf50-2 1 Gang 1-9/16in Deep Flanged Extension Box, 2 Holes
Lite Store USA
$64.49
Garvin Southwire 2-1/2 Inch Deep Four Gang Multi-Gang Box Extension Ring (Gbex-2124)
Lite Store USA
$64.49
Garvin Southwire 2-1/2 Inch Deep Four Gang Multi-Gang Box Extension Ring (Gbex-2124)
Lite Store USA
$185.59
Garvin Southwire 1-5/8 Inch Deep Nine Gang Multi-Gang Box Extension Ring (Gbex-1589)
Lite Store USA
$185.59
Garvin Southwire 1-5/8 Inch Deep Nine Gang Multi-Gang Box Extension Ring (Gbex-1589)
Lite Store USA
$9.74
Westgate Wxr75-4 1 Gang 1in Deep Flanged Round Extension Box
Lite Store USA
$9.74
Westgate Wxr75-4 1 Gang 1in Deep Flanged Round Extension Box
Lite Store USA
$71.69
Hubbell Weatherproof Electrical Box: Thermoplastic, Rectangular, 1 Gangs, 3/4 in Hub Size, Yellow Model: HBL60CM83A
Grainger
$71.69
Hubbell Weatherproof Electrical Box: Thermoplastic, Rectangular, 1 Gangs, 3/4 in Hub Size, Yellow Model: HBL60CM83A
Grainger
$113.89
Garvin Southwire 2-1/2 Inch Deep Seven Gang Multi-Gang Box Extension Ring (Gbex-2127)
Lite Store USA
$113.89
Garvin Southwire 2-1/2 Inch Deep Seven Gang Multi-Gang Box Extension Ring (Gbex-2127)
Lite Store USA
How To Use an Electrical Box Extender
1:22
How To Use an Electrical Box Extender
79.5K viewsOct 27, 2023
YouTubeFamily Handyman
How to Install Electrical Box Extender - Outlet or Switch
1:51
Find in video from 00:37Preparing the Box
How to Install Electrical Box Extender - Outlet or Switch
120.6K viewsJan 14, 2022
YouTubeJohn C RV
How to Install an Electrical Box Extender
1:58
Find in video from 00:40Shutting Off the Power
How to Install an Electrical Box Extender
20.6K viewsJan 30, 2024
YouTubeTrusscore
How to Use an Electrical Box Extender
1:00
How to Use an Electrical Box Extender
22.5K viewsMar 29, 2024
YouTubeFamily Handyman
How to make an extension box | 4 Sockets+4Swithes box wiring | Trending Extension box wiring
9:49
How to make an extension box | 4 Sockets+4Swithes box wiring | Tre…
18.6M viewsJun 23, 2021
YouTubeBEEE Works
How to Make an Extension Board at Home | Step-by-Step Guide
24:07
How to Make an Extension Board at Home | Step-by-Step Guide
858 views9 months ago
YouTubeElectrical Academy
How To Use an Electrical Box Extender
2:06
How To Use an Electrical Box Extender
438 views10 months ago
YouTubeWiFi Hub
2:26
Find in video from 00:05Introduction to Electrical Box Extenders
Install Electrical Box Extenders for Tile or Stone
796.6K viewsNov 19, 2013
YouTubeArmchair Builder
12:54
How to make super extension cord - 3 Socket Power extension Box
22.4K viewsMay 17, 2022
YouTubeLaya Bro
2:45
How to Make 16A Heavy Duty Extension Box | Step-by-Step Wiri…
937 views3 weeks ago
YouTubeSri Sai Durga Electrical And Hardware
5:38
Find in video from 00:38Overview of PVC Box Extension
REMODELING ELECTRIC BOX EXTENSION VIDEO
270.6K viewsNov 28, 2008
YouTubeHomeRemodelWorkshop
9:48
How to Make a Durable Extension Board for Home and office | Step-…
1.3K views7 months ago
YouTubeObloni Electrical
2:30
How to Assemble an Extension Board | DIY Power Strip Wiring Tut…
675 views5 months ago
YouTubeMain-electrics
1:03
Electrical Box Extender 1/4" Single Gang REVIEW
12.6K viewsAug 2, 2023
YouTubeJust A Dad Tips
5:15
I made professional extension box with required length of cable 😇 |
3.4K views6 months ago
YouTubeMEGA Electricals
8:05
How to Make Your Own Extension Box at Home
3.9K viewsNov 29, 2024
YouTubeCHUM MEAN DIY
17:01
How To Make an Amazing Extension Board for Your Desk | DIY Power S…
397.1K viewsOct 20, 2024
YouTubeEASY TECH
13:53
Extension box wiring|3 switch 3 socket wiring connection step by …
188 views5 months ago
YouTubeE TOOLS BD
2:49
How to install DBSeT extension and gland boxes I Schneider Electric
437 viewsAug 26, 2024
YouTubeSchneider Electric
8:40
HOW TO BUILD THE ULTIMATE EXTENSION CORD!
364.8K views7 months ago
YouTubeSemperDIY
1:25
Find in video from 00:03Introduction to Carlon® Box Extender
Carlon® Non-Metallic Electrical Box Extender
23.3K viewsFeb 26, 2014
YouTubeABB Installation Products
0:59
3 Sockets Extension box switch board wiring
4.5K views4 months ago
YouTubeMEGA Electricals
5:08
Find in video from 01:34The Outdoor Electrical Box Features
Outdoor IP54 Waterproof Extension Cord Cover Weatherproof Electric…
1.3K viewsApr 21, 2024
YouTubeUS DIY
Carlon Multi-Gang Electrical PVC Electrical Box Extender (2-Pack) (…
6 months ago
HOMEDEPOT
8:23
Find in video from 0:00Introduction to Junction Boxes
5 Mistakes DIYers Make Wiring Junction Boxes for Electrical Proj…
103.3K viewsMar 28, 2024
YouTubeUpgrade Your Home DIY
0:33
Best Heavy Duty Extension Box Review | 8M Long Wire Power Ext…
1.2K views1 month ago
YouTubeElectric Making Studio
0:59
Perfect extension box wiring | 😇Make your own Single socket extension …
2.8K views3 months ago
YouTubeMEGA Electricals
0:53
Find in video from 0:00Electrical Box Features
How to Install Electrical Boxes the RIGHT Way
5.8K viewsMar 7, 2024
YouTubeMancycle DIY
1:25
Find in video from 00:03Introduction to Carlon® Double Box Extender
Carlon® Non Metallic Electrical Box Extender
3.9K viewsAug 7, 2015
YouTubeSummit Electric Supply
5:07
Homemade Extension Box with 2 Sockets & 2 Switches | Easy DIY E…
212 views2 months ago
YouTubeSri Sai Durga Electrical And Hardware
See more videos
Static thumbnail place holder

Shop electrical extension boxes

Sponsored
About our ads
$38.99
$77.98
Sakerplus Electrical Outlet Extender 1Pc
Sakerplus
50% off
$38.99
$77.98
Sakerplus Electrical Outlet Extender 1Pc
Sakerplus
$13.79
Garvin 73171-Sub 4-11/16" Welded Extension Box Converts 1-Gang To 4-11/16" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
Gordon Electric Supply
$13.79
Garvin 73171-Sub 4-11/16" Welded Extension Box Converts 1-Gang To 4-11/16" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
Gordon Electric Supply
$312.50
Steel-City Sbex Steel Box Extension
Gordon Electric Supply
6
$312.50
Steel-City Sbex Steel Box Extension
Gordon Electric Supply
$4.89
Arlington Be3 Triple-Gang Box Extender
Lite Store USA
$4.89
Arlington Be3 Triple-Gang Box Extender
Lite Store USA
$6.89
Garvin Southwire 4-11/16 Welded Extension Box Converts One Gang To 4-11/16 Square 2-1/8 Inch Deep 1/2 And 3/4 (73171-Sub)
Lite Store USA
$6.89
Garvin Southwire 4-11/16 Welded Extension Box Converts One Gang To 4-11/16 Square 2-1/8 Inch Deep 1/2 And 3/4 (73171-Sub)
Lite Store USA
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
392
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
$5.39
Garvin Southwire 4 Square Box Extender 1/2 Inch Raised (Bex-450)
Lite Store USA
$5.39
Garvin Southwire 4 Square Box Extender 1/2 Inch Raised (Bex-450)
Lite Store USA
$9.39
Garvin Southwire 1-Gang Multi-Gang Device Extender 3/4 Inch Raised (Dex-175)
Lite Store USA
$9.39
Garvin Southwire 1-Gang Multi-Gang Device Extender 3/4 Inch Raised (Dex-175)
Lite Store USA
$5.95
Arlington Bes1 1-Gang Non-Metallic Box Extender
Lite Store USA
$5.95
Arlington Bes1 1-Gang Non-Metallic Box Extender
Lite Store USA
$37.99
DEWENWILS 6 Foot Long Power Strip, 6-Outlet Power Strip 6FT, 15 Amp Circuit Breaker, Low Profile Flat Plug, Surge Protector For Office, Living Room,
Amazon.com
1K+
Free shipping
$37.99
DEWENWILS 6 Foot Long Power Strip, 6-Outlet Power Strip 6FT, 15 Amp Circuit Breaker, Low Profile Flat Plug, Surge Protector For Office, Living Room,
Amazon.com
$8.25
Steel-City 55151-1/2-25 4" Octagon Box Extension Ring, 15.8Cu, Ko's
Gordon Electric Supply
17
$8.25
Steel-City 55151-1/2-25 4" Octagon Box Extension Ring, 15.8Cu, Ko's
Gordon Electric Supply
$218.75
Steel-City 55151-1/2&3/4 4" Octagon Box Extension Ring, Steel, 15.8Cu, 1/2&3/(Nri)
Gordon Electric Supply
47
$218.75
Steel-City 55151-1/2&3/4 4" Octagon Box Extension Ring, Steel, 15.8Cu, 1/2&3/(Nri)
Gordon Electric Supply
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
Gordon Electric Supply
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
Gordon Electric Supply
$50.28
Woods Designers Edge Extension Cord Storage Reel With 4 Outlet Power Block - Black/Yellow
Cable ties and more
148
$50.28
Woods Designers Edge Extension Cord Storage Reel With 4 Outlet Power Block - Black/Yellow
Cable ties and more
$4.99
Orbit Exf50-2 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$4.99
Orbit Exf50-2 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$13.57
Legrand - Wiremold Starter Box, Extra Deep Wiremold Outlet Box, White On-Wall Conduit Connector For Wiremold Box And Wiremold Raceway, BW35
Amazon.com
946
$13.57
Legrand - Wiremold Starter Box, Extra Deep Wiremold Outlet Box, White On-Wall Conduit Connector For Wiremold Box And Wiremold Raceway, BW35
Amazon.com
$6.82
Arlington Be3x 3-Gang Box Extender With Larger Flange
Lite Store USA
$6.82
Arlington Be3x 3-Gang Box Extender With Larger Flange
Lite Store USA
$6.99
Orbit Exf50-4 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA
$6.99
Orbit Exf50-4 1-Gang Flanged Extension Boxes 1-1/2" Deep
Lite Store USA