Shop ceiling box extender

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$1.89
Garvin 55151-1/2 4" Octagon Extension Ring 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$1.89
Garvin 55151-1/2 4" Octagon Extension Ring 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$13.39
Garvin 53171-1 4" Sq Extension Ring Drawn 2-1/8" Deep W/1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$13.39
Garvin 53171-1 4" Sq Extension Ring Drawn 2-1/8" Deep W/1" Ko's
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
15
$6.29
Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$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
$3.74
Arlington BE1R Setback Ceiling Box Extender, Fits 3-1/2" - 4" Round/Octagonal Boxes | Supplyhouse.Com
SupplyHouse.com
1
$3.74
Arlington BE1R Setback Ceiling Box Extender, Fits 3-1/2" - 4" Round/Octagonal Boxes | Supplyhouse.Com
SupplyHouse.com
$5.00
$6.95
RACO 128 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep, Steel
Amazon.com
115
Free shipping
28% off
$5.00
$6.95
RACO 128 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep, Steel
Amazon.com
$17.98
Legrand Wiremold BW4F Metal Raceway For Extending Power, 700 Series, 5 1/2" Diameter Circular Fan And Fixture Box, 1" Deep, White (1 Pack)
Amazon.com
767
$17.98
Legrand Wiremold BW4F Metal Raceway For Extending Power, 700 Series, 5 1/2" Diameter Circular Fan And Fixture Box, 1" Deep, White (1 Pack)
Amazon.com
$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
$30.58
Dahua PFA112 Ceiling Mount Extender
A1 Security Cameras
$30.58
Dahua PFA112 Ceiling Mount Extender
A1 Security Cameras
$130.00
Wiremold V5751a 1-Gang Deep Extension Box Adapter, Ivory, 4-5/8"L - ( Min. Purchase Quantity Is 10 ), V5751A
Global Industrial
$130.00
Wiremold V5751a 1-Gang Deep Extension Box Adapter, Ivory, 4-5/8"L - ( Min. Purchase Quantity Is 10 ), V5751A
Global Industrial
$594.19
Arlington BE1R Ceiling Box Extender, 1 Gang, 4.85 in L X 4.35 in W X 1-1/2 in D
Voomi Supply
83
$594.19
Arlington BE1R Ceiling Box Extender, 1 Gang, 4.85 in L X 4.35 in W X 1-1/2 in D
Voomi Supply
$21.75
2Pk Ceiling Box Extender, Depth: 1-1/2", White, Non-Metallic SHIPS FREE
eBay
Free shipping
$21.75
2Pk Ceiling Box Extender, Depth: 1-1/2", White, Non-Metallic SHIPS FREE
eBay
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$3.00
BE1R 4.35" X 1-1/2", Plastic, Electrical Octagon Ceiling Box Extender
Kelly & Hayes Electrical Supply
83
$3.00
BE1R 4.35" X 1-1/2", Plastic, Electrical Octagon Ceiling Box Extender
Kelly & Hayes Electrical Supply
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
378
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
$4.37
Ceiling Box Extender, 2-Gang, Depth: 1-1/2", White, Non-Metallic By Arlington BE1R
Electrical Parts
83
$4.37
Ceiling Box Extender, 2-Gang, Depth: 1-1/2", White, Non-Metallic By Arlington BE1R
Electrical Parts
$2.56
4 in. Electrical PVC New Work Electrical Ceiling Box Mud Ring
Home Depot
15
Free shipping
$2.56
4 in. Electrical PVC New Work Electrical Ceiling Box Mud Ring
Home Depot
$18.99
4 Yes 4 Arlington BE1R Round Ceiling Box Extender, Up To 1-1/2", Made In USA. Arlington. White. Other Building Materials. 659424452850.
eBay.com
Free shipping
$18.99
4 Yes 4 Arlington BE1R Round Ceiling Box Extender, Up To 1-1/2", Made In USA. Arlington. White. Other Building Materials. 659424452850.
eBay.com
$3.32
4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring (551511234-25R)
Home Depot
66
Free shipping
$3.32
4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring (551511234-25R)
Home Depot
$2.50
Ceiling Box Extender, 1-Gang, Depth: 1-1/2" By Arlington BE1X
Electrical Parts
3
$2.50
Ceiling Box Extender, 1-Gang, Depth: 1-1/2" By Arlington BE1X
Electrical Parts
$22.99
IMBA-BE1R-2 UL Listed 1-Gang Plastic Electrical Ceiling Box Extender For 3.5 And
eBay.com
Free shipping
$22.99
IMBA-BE1R-2 UL Listed 1-Gang Plastic Electrical Ceiling Box Extender For 3.5 And
eBay.com
$3.58
Halco 90538 - Junction Box Extension - Flat Panel Accessory - Expanded Wiring Space
Light Bulb Surplus
$3.58
Halco 90538 - Junction Box Extension - Flat Panel Accessory - Expanded Wiring Space
Light Bulb Surplus
$4.89
Arlington Be1r Round Box Extender
Lite Store USA
$4.89
Arlington Be1r Round Box Extender
Lite Store USA
$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
$6.58
4 in. 21 Cu. In. Steel Pre-Galvanized Square Box Extension Ring (531511234UB-25R)
Home Depot
10
Free shipping
$6.58
4 in. 21 Cu. In. Steel Pre-Galvanized Square Box Extension Ring (531511234UB-25R)
Home Depot
$59.99
Accessory - Canopy Electrical Box Extension - Black
Bed Bath & Beyond
20
$59.99
Accessory - Canopy Electrical Box Extension - Black
Bed Bath & Beyond
$18.18
Ceiling Distribution Box, Ceiling Canopy, Oak Distribution Box, Power Distribution Box, Ceiling Junction Box 1-2 Or 3.
Etsy
327
$18.18
Ceiling Distribution Box, Ceiling Canopy, Oak Distribution Box, Power Distribution Box, Ceiling Junction Box 1-2 Or 3.
Etsy
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$9.99
Box Extender | Storewall
RJK Investments DBA storeWALL
$9.36
Steel City 531511234UB 4" X 1-1/2" Deep Square Box Extension Ring W/ 1/2" & 3/4" Eccentric Knockouts | Supplyhouse.Com
SupplyHouse.com
1
$9.36
Steel City 531511234UB 4" X 1-1/2" Deep Square Box Extension Ring W/ 1/2" & 3/4" Eccentric Knockouts | Supplyhouse.Com
SupplyHouse.com
$3.60
Halco JBOX-EXT-FPL Junction Box Extension For 1X4 2X2 Or 2X4 Flat Panels (90538)
Lighting Supply
$3.60
Halco JBOX-EXT-FPL Junction Box Extension For 1X4 2X2 Or 2X4 Flat Panels (90538)
Lighting Supply
$35.31
NVENT HOFFMAN Screw-Cover Pull Box Extender, Type 1, Steel, A884SUG
Zoro.com
$35.31
NVENT HOFFMAN Screw-Cover Pull Box Extender, Type 1, Steel, A884SUG
Zoro.com
$1.76
BE1X X LARGE BOX EXTENDER
Kelly & Hayes Electrical Supply
3
$1.76
BE1X X LARGE BOX EXTENDER
Kelly & Hayes Electrical Supply
$0.52
B45012 - ACP Electrical Fittings 4.5-Inch Electrical Box Extension Ring Adjustable
Essential Electric Supply
$0.52
B45012 - ACP Electrical Fittings 4.5-Inch Electrical Box Extension Ring Adjustable
Essential Electric Supply
$2.08
4" Square ENT Box Extender, 1/2" Raised, Non-Metallic By Carlon A410
Electrical Parts
5
$2.08
4" Square ENT Box Extender, 1/2" Raised, Non-Metallic By Carlon A410
Electrical Parts
$24.20
Bell Extension Box: Extension Ring, Aluminum, Gray, 2 Model: 5407-0
Grainger
240
$24.20
Bell Extension Box: Extension Ring, Aluminum, Gray, 2 Model: 5407-0
Grainger
$21.39
Steel City 731711-TB 4-11/16" X 2-1/8" Deep Square Box Extension Ring, 1" Knockouts | Supplyhouse.Com
SupplyHouse.com
$21.39
Steel City 731711-TB 4-11/16" X 2-1/8" Deep Square Box Extension Ring, 1" Knockouts | Supplyhouse.Com
SupplyHouse.com
How To Use an Electrical Box Extender
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Shop ceiling box extender

Sponsored
About our ads
$1.89
Garvin 55151-1/2 4" Octagon Extension Ring 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$1.89
Garvin 55151-1/2 4" Octagon Extension Ring 1-1/2" Deep 1/2" Ko's
New Feedonomics Feed - ARC 8/12/2025
$13.39
Garvin 53171-1 4" Sq Extension Ring Drawn 2-1/8" Deep W/1" Ko's
New Feedonomics Feed - ARC 8/12/2025
$13.39
Garvin 53171-1 4" Sq Extension Ring Drawn 2-1/8" Deep W/1" Ko's
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
15
$6.29
Garvin 47111 3-1/2" Round Pan Box Extension Ring 1/2" Deep
New Feedonomics Feed - ARC 8/12/2025
$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
$3.74
Arlington BE1R Setback Ceiling Box Extender, Fits 3-1/2" - 4" Round/Octagonal Boxes | Supplyhouse.Com
SupplyHouse.com
1
$3.74
Arlington BE1R Setback Ceiling Box Extender, Fits 3-1/2" - 4" Round/Octagonal Boxes | Supplyhouse.Com
SupplyHouse.com
$5.00
$6.95
RACO 128 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep, Steel
Amazon.com
115
Free shipping
28% off
$5.00
$6.95
RACO 128 4-Inch Octagon Extension Ring, 1-1/2-Inch Deep, Steel
Amazon.com
$17.98
Legrand Wiremold BW4F Metal Raceway For Extending Power, 700 Series, 5 1/2" Diameter Circular Fan And Fixture Box, 1" Deep, White (1 Pack)
Amazon.com
767
$17.98
Legrand Wiremold BW4F Metal Raceway For Extending Power, 700 Series, 5 1/2" Diameter Circular Fan And Fixture Box, 1" Deep, White (1 Pack)
Amazon.com
$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
$30.58
Dahua PFA112 Ceiling Mount Extender
A1 Security Cameras
$30.58
Dahua PFA112 Ceiling Mount Extender
A1 Security Cameras
$130.00
Wiremold V5751a 1-Gang Deep Extension Box Adapter, Ivory, 4-5/8"L - ( Min. Purchase Quantity Is 10 ), V5751A
Global Industrial
$130.00
Wiremold V5751a 1-Gang Deep Extension Box Adapter, Ivory, 4-5/8"L - ( Min. Purchase Quantity Is 10 ), V5751A
Global Industrial
$594.19
Arlington BE1R Ceiling Box Extender, 1 Gang, 4.85 in L X 4.35 in W X 1-1/2 in D
Voomi Supply
83
$594.19
Arlington BE1R Ceiling Box Extender, 1 Gang, 4.85 in L X 4.35 in W X 1-1/2 in D
Voomi Supply
$21.75
2Pk Ceiling Box Extender, Depth: 1-1/2", White, Non-Metallic SHIPS FREE
eBay
Free shipping
$21.75
2Pk Ceiling Box Extender, Depth: 1-1/2", White, Non-Metallic SHIPS FREE
eBay
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$4.99
Southwire Old Work Octagon Steel Box Extension
Ace Hardware
$3.00
BE1R 4.35" X 1-1/2", Plastic, Electrical Octagon Ceiling Box Extender
Kelly & Hayes Electrical Supply
83
$3.00
BE1R 4.35" X 1-1/2", Plastic, Electrical Octagon Ceiling Box Extender
Kelly & Hayes Electrical Supply
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
378
$9.41
Bell Extension Box: Extension/Adapter, Aluminum, Gray, 1 Model: 5406-0
Grainger
$4.37
Ceiling Box Extender, 2-Gang, Depth: 1-1/2", White, Non-Metallic By Arlington BE1R
Electrical Parts
83
$4.37
Ceiling Box Extender, 2-Gang, Depth: 1-1/2", White, Non-Metallic By Arlington BE1R
Electrical Parts
$2.56
4 in. Electrical PVC New Work Electrical Ceiling Box Mud Ring
Home Depot
15
Free shipping
$2.56
4 in. Electrical PVC New Work Electrical Ceiling Box Mud Ring
Home Depot
$18.99
4 Yes 4 Arlington BE1R Round Ceiling Box Extender, Up To 1-1/2", Made In USA. Arlington. White. Other Building Materials. 659424452850.
eBay.com
Free shipping
$18.99
4 Yes 4 Arlington BE1R Round Ceiling Box Extender, Up To 1-1/2", Made In USA. Arlington. White. Other Building Materials. 659424452850.
eBay.com