Shop Electric Box Extenders

Sponsored
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$4.79
Garvin Bex-475 4" Sq Box Extender 3/4" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.79
Garvin Bex-475 4" Sq Box Extender 3/4" Raised
New Feedonomics Feed - ARC 8/12/2025
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
New Feedonomics Feed - ARC 8/12/2025
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
New Feedonomics Feed - ARC 8/12/2025
$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
New Feedonomics Feed - ARC 8/12/2025
$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
New Feedonomics Feed - ARC 8/12/2025
$12.99
6Pcs 1/4 Inch Single Gang Outlet Box Extenders, Outlet Extender For Electrical Box With 12 Screws Receptacle Extension Box For Electrical Outlet
Amazon.com
3
$12.99
6Pcs 1/4 Inch Single Gang Outlet Box Extenders, Outlet Extender For Electrical Box With 12 Screws Receptacle Extension Box For Electrical Outlet
Amazon.com
$9.99
4Pcs Electrical Box Extenders, 1/4" Receptacle Outlet Box Extenders Single Gang Extender With 8 Screws Outlet Extender For Electrical And Power
Amazon.com
19
$9.99
4Pcs Electrical Box Extenders, 1/4" Receptacle Outlet Box Extenders Single Gang Extender With 8 Screws Outlet Extender For Electrical And Power
Amazon.com
$8.99
3Pcs 1/2" Single Gang Receptacle Outlet Extenders With 6 Screws - Junction Box Extension Accessories For Electric Box And Outlet Switches (Blue)
Amazon.com
18
$8.99
3Pcs 1/2" Single Gang Receptacle Outlet Extenders With 6 Screws - Junction Box Extension Accessories For Electric Box And Outlet Switches (Blue)
Amazon.com
$9.28
1/2 in. 1-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
31
Free shipping
$9.28
1/2 in. 1-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
$9.25
1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack)
Home Depot
81
Free shipping
$9.25
1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack)
Home Depot
$5.76
CANTEX Plastic Old Work Box Extender Electrical Box In Gray | LEZSO-EXT
Lowe's
81
$5.76
CANTEX Plastic Old Work Box Extender Electrical Box In Gray | LEZSO-EXT
Lowe's
$5.99
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Ace Hardware
81
$5.99
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Ace Hardware
$10.56
1/2 in. 2-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
28
Free shipping
$10.56
1/2 in. 2-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
17
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
44
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
$99.99
Square D Hln1bl Extension Box Of 3
eBay
Free shipping
$99.99
Square D Hln1bl Extension Box Of 3
eBay
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
Free shipping
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
81
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay
Free shipping
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay
$24.99
10 Pack - Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed - 1/2
Walmart
Free shipping
$24.99
10 Pack - Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed - 1/2
Walmart
$1.71
BE1 2.313" X 1.813" X 4.188", White, Plastic, 1-Gang, GFCI Wall Box Extender
Kelly & Hayes Electrical Supply
9
$1.71
BE1 2.313" X 1.813" X 4.188", White, Plastic, 1-Gang, GFCI Wall Box Extender
Kelly & Hayes Electrical Supply
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$44.97
Multi Port Electrical Outlet Extender
Vernier
$44.97
Multi Port Electrical Outlet Extender
Vernier
$25.35
Halo Recessed SLD4EXT 4" Surface LED J-Box Extender, 7.75" O.D.
Electric Bargain Store
$25.35
Halo Recessed SLD4EXT 4" Surface LED J-Box Extender, 7.75" O.D.
Electric Bargain Store
$0.59
$0.98
652F Single Socket Spacer Electric Box Extender Single Gang Receptacle Outlet Box Extenders Outlet
Aliexpress
39% off
$0.59
$0.98
652F Single Socket Spacer Electric Box Extender Single Gang Receptacle Outlet Box Extenders Outlet
Aliexpress
$24.99
Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed 3/4" Two Gang 5
Walmart
Free shipping
$24.99
Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed 3/4" Two Gang 5
Walmart
$5.97
Receptxtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004
Roguema
81
$5.97
Receptxtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004
Roguema
$3.24
TP428 CROUSE-HINDS 4"SQ SQUARE BOX EXTENSION RING - 1/2"X3/4" KO's
Kelly & Hayes Electrical Supply
$3.24
TP428 CROUSE-HINDS 4"SQ SQUARE BOX EXTENSION RING - 1/2"X3/4" KO's
Kelly & Hayes Electrical Supply
$9.99
Legrand Rectangle Steel 1 Gang Extension Starter Box Ivory
Ace Hardware
$9.99
Legrand Rectangle Steel 1 Gang Extension Starter Box Ivory
Ace Hardware
$11.99
Nogis 3Pcs Single Gang Electric Power Outlet Extender, 1/2" Receptacle Outlet Box Extenders With Screws Electrical Box Extender Junction Box Extension
Walmart
Free shipping
$11.99
Nogis 3Pcs Single Gang Electric Power Outlet Extender, 1/2" Receptacle Outlet Box Extenders With Screws Electrical Box Extender Junction Box Extension
Walmart
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$6.26
Orbit 5SDB-50/75-EXT 5" Square Electrical Box Extension Ring, 2 1/8" Deep W/ 1/2" & 3/4" Knockouts BY BUYRITE ELECTRIC
BuyRite Electric
$6.26
Orbit 5SDB-50/75-EXT 5" Square Electrical Box Extension Ring, 2 1/8" Deep W/ 1/2" & 3/4" Knockouts BY BUYRITE ELECTRIC
BuyRite Electric
$2.79
E74E Electric Box Extender Square Spacer Single Socket Spacer Single Gang Receptacle Outlet Box
Aliexpress
$2.79
E74E Electric Box Extender Square Spacer Single Socket Spacer Single Gang Receptacle Outlet Box
Aliexpress
$2.26
Box Extender, 1-Gang, Depth 1-1/2", White, Non-Metallic By Arlington BE1
Electrical Parts
9
$2.26
Box Extender, 1-Gang, Depth 1-1/2", White, Non-Metallic By Arlington BE1
Electrical Parts
$8.55
Hubbell Raco Steel Electrical Box Extension Ring 203 - 31523764
Penn Tool Co
1
$8.55
Hubbell Raco Steel Electrical Box Extension Ring 203 - 31523764
Penn Tool Co
$6.97
Outlet Extender By Outlet Extender Buddy - Electrical Box Extender Kit - Easily Fix Recessed Electrical Outlets
Roguema
251
$6.97
Outlet Extender By Outlet Extender Buddy - Electrical Box Extender Kit - Easily Fix Recessed Electrical Outlets
Roguema
$11.99
Double Box Extender | Storewall
RJK Investments DBA storeWALL
$11.99
Double Box Extender | Storewall
RJK Investments DBA storeWALL
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Shop Electric Box Extenders

Sponsored
About our ads
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
17
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
44
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
$99.99
Square D Hln1bl Extension Box Of 3
eBay
Free shipping
$99.99
Square D Hln1bl Extension Box Of 3
eBay
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
Free shipping
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
81
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay
Free shipping
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay
$24.99
10 Pack - Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed - 1/2
Walmart
Free shipping
$24.99
10 Pack - Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed - 1/2
Walmart
$1.71
BE1 2.313" X 1.813" X 4.188", White, Plastic, 1-Gang, GFCI Wall Box Extender
Kelly & Hayes Electrical Supply
9
$1.71
BE1 2.313" X 1.813" X 4.188", White, Plastic, 1-Gang, GFCI Wall Box Extender
Kelly & Hayes Electrical Supply
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$44.97
Multi Port Electrical Outlet Extender
Vernier
$44.97
Multi Port Electrical Outlet Extender
Vernier
$25.35
Halo Recessed SLD4EXT 4" Surface LED J-Box Extender, 7.75" O.D.
Electric Bargain Store
$25.35
Halo Recessed SLD4EXT 4" Surface LED J-Box Extender, 7.75" O.D.
Electric Bargain Store
$0.59
$0.98
652F Single Socket Spacer Electric Box Extender Single Gang Receptacle Outlet Box Extenders Outlet
Aliexpress
39% off
$0.59
$0.98
652F Single Socket Spacer Electric Box Extender Single Gang Receptacle Outlet Box Extenders Outlet
Aliexpress
$24.99
Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed 3/4" Two Gang 5
Walmart
Free shipping
$24.99
Receptxtenders Receptacle Outlet Box Extender, Electrical Outlet Extender For Electrical Box And Electrical Outlet Switches, UL Listed 3/4" Two Gang 5
Walmart
$5.97
Receptxtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004
Roguema
81
$5.97
Receptxtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004
Roguema
$3.24
TP428 CROUSE-HINDS 4"SQ SQUARE BOX EXTENSION RING - 1/2"X3/4" KO's
Kelly & Hayes Electrical Supply
$3.24
TP428 CROUSE-HINDS 4"SQ SQUARE BOX EXTENSION RING - 1/2"X3/4" KO's
Kelly & Hayes Electrical Supply
$9.99
Legrand Rectangle Steel 1 Gang Extension Starter Box Ivory
Ace Hardware
$9.99
Legrand Rectangle Steel 1 Gang Extension Starter Box Ivory
Ace Hardware
$11.99
Nogis 3Pcs Single Gang Electric Power Outlet Extender, 1/2" Receptacle Outlet Box Extenders With Screws Electrical Box Extender Junction Box Extension
Walmart
Free shipping
$11.99
Nogis 3Pcs Single Gang Electric Power Outlet Extender, 1/2" Receptacle Outlet Box Extenders With Screws Electrical Box Extender Junction Box Extension
Walmart

Shop Electric Box Extenders

Sponsored
About our ads
$4.79
Garvin Bex-475 4" Sq Box Extender 3/4" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.79
Garvin Bex-475 4" Sq Box Extender 3/4" Raised
New Feedonomics Feed - ARC 8/12/2025
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
New Feedonomics Feed - ARC 8/12/2025
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
New Feedonomics Feed - ARC 8/12/2025
$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
New Feedonomics Feed - ARC 8/12/2025
$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
New Feedonomics Feed - ARC 8/12/2025
$12.99
6Pcs 1/4 Inch Single Gang Outlet Box Extenders, Outlet Extender For Electrical Box With 12 Screws Receptacle Extension Box For Electrical Outlet
Amazon.com
3
$12.99
6Pcs 1/4 Inch Single Gang Outlet Box Extenders, Outlet Extender For Electrical Box With 12 Screws Receptacle Extension Box For Electrical Outlet
Amazon.com
$9.99
4Pcs Electrical Box Extenders, 1/4" Receptacle Outlet Box Extenders Single Gang Extender With 8 Screws Outlet Extender For Electrical And Power
Amazon.com
19
$9.99
4Pcs Electrical Box Extenders, 1/4" Receptacle Outlet Box Extenders Single Gang Extender With 8 Screws Outlet Extender For Electrical And Power
Amazon.com
$8.99
3Pcs 1/2" Single Gang Receptacle Outlet Extenders With 6 Screws - Junction Box Extension Accessories For Electric Box And Outlet Switches (Blue)
Amazon.com
18
$8.99
3Pcs 1/2" Single Gang Receptacle Outlet Extenders With 6 Screws - Junction Box Extension Accessories For Electric Box And Outlet Switches (Blue)
Amazon.com
$9.28
1/2 in. 1-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
31
Free shipping
$9.28
1/2 in. 1-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
$9.25
1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack)
Home Depot
81
Free shipping
$9.25
1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack)
Home Depot
$5.76
CANTEX Plastic Old Work Box Extender Electrical Box In Gray | LEZSO-EXT
Lowe's
81
$5.76
CANTEX Plastic Old Work Box Extender Electrical Box In Gray | LEZSO-EXT
Lowe's
$5.99
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Ace Hardware
81
$5.99
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Ace Hardware
$10.56
1/2 in. 2-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
28
Free shipping
$10.56
1/2 in. 2-Gang Outlet Box Spacer Extender (5-Pack)
Home Depot
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
17
$2.28
CANTEX 1 -Gang PVC New Work Box Extender Electrical Box In Gray | LEZ03SXA
Lowe's
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
44
$2.68
Hubbell RACO 1 -Gang Galvanized Steel New Work/Old Work Box Extender Electrical Box In Gray | 653
Lowe's
$99.99
Square D Hln1bl Extension Box Of 3
eBay
Free shipping
$99.99
Square D Hln1bl Extension Box Of 3
eBay
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$120.53
EXF21 CROUSE-HINDS FS/FD DEVICE BOX EXTENSION
Kelly & Hayes Electrical Supply
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
Free shipping
$14.98
Bell Electric - 940 - Weatherproof Cast Aluminum Outlet Box Extender,
eBay
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
81
$5.80
Cantex EZ Box Old Work Rectangle PVC 1 Gang Box Extenders Gray
Max Warehouse
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay
Free shipping
$19.99
Commercial Electric Weatherproof Extension Box Cast Metal 2-Gang Gray
eBay

  • Walmart.com | Electrical Boxes & Brackets

    https://www.walmart.com
    About our ads
    Curbside Pickup
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