Shop junction box extender

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$2.59
Garvin 53151-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$2.59
Garvin 53151-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$7.89
Garvin 55171-S 4" Octagon Extension Ring 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$7.89
Garvin 55171-S 4" Octagon Extension Ring 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$27.89
Garvin Tbx-125 Masonry Box Extension Ring 1-Gang 2-1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$27.89
Garvin Tbx-125 Masonry Box Extension Ring 1-Gang 2-1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$7.29
Garvin 53171-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$7.29
Garvin 53171-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.19
Garvin Dex-150 1 Gang Multi-Gang Device Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.19
Garvin Dex-150 1 Gang Multi-Gang Device Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$38.69
Garvin Tbx-225 Masonry Box Extension Ring 2-Gang 2-1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$38.69
Garvin Tbx-225 Masonry Box Extension Ring 2-Gang 2-1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$6.29
Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$6.29
Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$2.39
Garvin 55151-S 4" Octagon Extension Ring 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$2.39
Garvin 55151-S 4" Octagon Extension Ring 1-1/2" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.79
Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$3.29
Garvin Sbex Switch Box Adjustable Extension Ring
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
$4.79
Garvin Bex-475 4" Sq Box Extender 3/4" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin Bex-450 4" Sq Box Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$4.39
Garvin Bex-450 4" Sq Box Extender 1/2" Raised
New Feedonomics Feed - ARC 8/12/2025
$8.39
Garvin 57111 4" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$8.39
Garvin 57111 4" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$7.99
Garvin 55171-Red 4" Octagon Extension Ring Red 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$7.99
Garvin 55171-Red 4" Octagon Extension Ring Red 2-1/8" Deep 1/2" & 3/4" Ko's
New Feedonomics Feed - ARC 8/12/2025
$16.19
Garvin Gbex-1584 1-5/8" Deep 4-Gang Multi-Gang Box Extension Ring
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$16.19
Garvin Gbex-1584 1-5/8" Deep 4-Gang Multi-Gang Box 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
$6.35
Arlington Bes1 1-Gang Surface Box Extender
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$6.35
Arlington Bes1 1-Gang Surface Box Extender
New Feedonomics Feed - ARC 8/12/2025
$4.38
Arlington Be1r Round Box Extender
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$4.38
Arlington Be1r Round Box Extender
New Feedonomics Feed - ARC 8/12/2025
$10.00
Arlington Be4 4-Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
5
$10.00
Arlington Be4 4-Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
$7.99
3Pcs Single Gang Receptacle Outlet Box Extenders, 1/2" Electrical Box Extender Junction Box Extender For Electrical Box And Electric Outlet Switches (
Amazon.com
25
$7.99
3Pcs Single Gang Receptacle Outlet Box Extenders, 1/2" Electrical Box Extender Junction Box Extender For Electrical Box And Electric Outlet Switches (
Amazon.com
$19.99
Junction Box Extension Tube For Unifi Turret Cameras (G5, G6, AI) (White, 1.5")
Amazon.com
$19.99
Junction Box Extension Tube For Unifi Turret Cameras (G5, G6, AI) (White, 1.5")
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
$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
$3.51
Arlington Be2 Box Extender 2 Gang
New Feedonomics Feed - ARC 8/12/2025
$3.51
Arlington Be2 Box Extender 2 Gang
New Feedonomics Feed - ARC 8/12/2025
$2.43
Arlington Be1 Box Extender
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$2.43
Arlington Be1 Box Extender
New Feedonomics Feed - ARC 8/12/2025
$2.19
P&S Ext-1 1-Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
$2.19
P&S Ext-1 1-Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
$9.99
4Pcs Electrical Box Extenders, 1/4" Receptacle Outlet Box Extenders Single Gang Extender With 8 Screws Outlet Extender For Electrical And Power Socket
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 Socket
Amazon.com
$2.89
P&S Ext-2 2 Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
30-day returns (most items)
$2.89
P&S Ext-2 2 Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
$18.95
Mint Bucket Brands 1/2" Single Gang Receptacle Box Extenders, UL Listed With 6-32 X 1.25 Screws, Electrical Outlet Extender For Switches (Blue) (Pack
Amazon.com
2
$18.95
Mint Bucket Brands 1/2" Single Gang Receptacle Box Extenders, UL Listed With 6-32 X 1.25 Screws, Electrical Outlet Extender For Switches (Blue) (Pack
Amazon.com
$13.99
YEXEXINM 5Pcs Round Electrical Box Extender 1-Gang Plastic Electrical Ceiling Box Extender For 3.5 Inch 4 Inch Round Or Octagonal Electrical Boxes,
Amazon.com
$13.99
YEXEXINM 5Pcs Round Electrical Box Extender 1-Gang Plastic Electrical Ceiling Box Extender For 3.5 Inch 4 Inch Round Or Octagonal Electrical Boxes,
Amazon.com
$19.99
Mint Bucket Brands 3/4" Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 X 1.25), Electrical Outlet Extender For Electrical Box &
Amazon.com
$19.99
Mint Bucket Brands 3/4" Single Gang Receptacle Outlet Box Extenders UL Listed, Screws (6-32 X 1.25), Electrical Outlet Extender For Electrical Box &
Amazon.com
$12.99
3PCS BE4 Electrical Outlet Box Extenders With 24PCS Screws, (4-Gang) Electrical Power Outlet Box Extenderextender Electric Box Extender 4 Gang Power
Amazon.com
2
$12.99
3PCS BE4 Electrical Outlet Box Extenders With 24PCS Screws, (4-Gang) Electrical Power Outlet Box Extenderextender Electric Box Extender 4 Gang Power
Amazon.com
$73.00
Arlington Be3 Triple Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
2
$73.00
Arlington Be3 Triple Gang Box Extender
New Feedonomics Feed - ARC 8/12/2025
$29.97
Yeesport 30 Pcs Electrical Box Extenders, BE1-2 Electrical Outlet Box Extenders With 60 Pcs Screws, 1-Gang Electrical Power Box Extensions, Single
Amazon.com
$29.97
Yeesport 30 Pcs Electrical Box Extenders, BE1-2 Electrical Outlet Box Extenders With 60 Pcs Screws, 1-Gang Electrical Power Box Extensions, Single
Amazon.com
$2.95
Arlington Be1 Single-Gang Box Extender
Lite Store USA
$2.95
Arlington Be1 Single-Gang Box Extender
Lite Store USA
$2.35
Arlington Be1x 1-Gang Box Extender With Larger Flange
Lite Store USA
$2.35
Arlington Be1x 1-Gang Box Extender With Larger Flange
Lite Store USA
$8.85
$9.87
Taymac SE450WH Weatherproof Box Extension, 1-Gang, (4) 1/2-Inch Outlets, White
Amazon.com
10% off
$8.85
$9.87
Taymac SE450WH Weatherproof Box Extension, 1-Gang, (4) 1/2-Inch Outlets, White
Amazon.com
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    Shop junction box extender

    Sponsored
    About our ads
    $2.59
    Garvin 53151-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 1-1/2" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $2.59
    Garvin 53151-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 1-1/2" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $7.89
    Garvin 55171-S 4" Octagon Extension Ring 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $7.89
    Garvin 55171-S 4" Octagon Extension Ring 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $27.89
    Garvin Tbx-125 Masonry Box Extension Ring 1-Gang 2-1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $27.89
    Garvin Tbx-125 Masonry Box Extension Ring 1-Gang 2-1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $7.29
    Garvin 53171-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $7.29
    Garvin 53171-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $4.19
    Garvin Dex-150 1 Gang Multi-Gang Device Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $4.19
    Garvin Dex-150 1 Gang Multi-Gang Device Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $38.69
    Garvin Tbx-225 Masonry Box Extension Ring 2-Gang 2-1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $38.69
    Garvin Tbx-225 Masonry Box Extension Ring 2-Gang 2-1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $6.29
    Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $6.29
    Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $2.39
    Garvin 55151-S 4" Octagon Extension Ring 1-1/2" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $2.39
    Garvin 55151-S 4" Octagon Extension Ring 1-1/2" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $4.79
    Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $4.79
    Garvin Dex-250 2 Gang Multi-Gang Device Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $3.29
    Garvin Sbex Switch Box Adjustable Extension Ring
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $3.29
    Garvin Sbex Switch Box Adjustable Extension Ring
    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
    $4.79
    Garvin Bex-475 4" Sq Box Extender 3/4" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $4.39
    Garvin Bex-450 4" Sq Box Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $4.39
    Garvin Bex-450 4" Sq Box Extender 1/2" Raised
    New Feedonomics Feed - ARC 8/12/2025
    $8.39
    Garvin 57111 4" Round Pan Box Extension Ring 1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $8.39
    Garvin 57111 4" Round Pan Box Extension Ring 1/2" Deep
    New Feedonomics Feed - ARC 8/12/2025
    $7.99
    Garvin 55171-Red 4" Octagon Extension Ring Red 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $7.99
    Garvin 55171-Red 4" Octagon Extension Ring Red 2-1/8" Deep 1/2" & 3/4" Ko's
    New Feedonomics Feed - ARC 8/12/2025
    $16.19
    Garvin Gbex-1584 1-5/8" Deep 4-Gang Multi-Gang Box Extension Ring
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $16.19
    Garvin Gbex-1584 1-5/8" Deep 4-Gang Multi-Gang Box 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
    $6.35
    Arlington Bes1 1-Gang Surface Box Extender
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $6.35
    Arlington Bes1 1-Gang Surface Box Extender
    New Feedonomics Feed - ARC 8/12/2025
    $4.38
    Arlington Be1r Round Box Extender
    New Feedonomics Feed - ARC 8/12/2025
    30-day returns (most items)
    $4.38
    Arlington Be1r Round Box Extender
    New Feedonomics Feed - ARC 8/12/2025