![Appleton 4SSBESPL :: 4" Square Extension Ring, 1-1/2" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY Appleton 4SSBESPL :: 4" Square Extension Ring, 1-1/2" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY](https://rexel-cdn.com/products/app4ssbespl.jpg?i=9D444F89-55DD-4DFF-807A-A3A12C12D681&f=420)
Appleton 4SSBESPL :: 4" Square Extension Ring, 1-1/2" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY
![531511234UB - Steel City 531511234UB - 4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" & 3/4" Eccentric Knockouts 531511234UB - Steel City 531511234UB - 4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" & 3/4" Eccentric Knockouts](https://www.supplyhouse.com/images/products/zoom/531511234ub-3.jpg)
531511234UB - Steel City 531511234UB - 4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" & 3/4" Eccentric Knockouts
![531711234 - Steel City 531711234 - 4" x 2-1/8" Deep Square Box Extension Ring w/ 1/2" and 3/4" Knockouts 531711234 - Steel City 531711234 - 4" x 2-1/8" Deep Square Box Extension Ring w/ 1/2" and 3/4" Knockouts](https://www.supplyhouse.com/images/products/zoom/531711234-3.jpg)
531711234 - Steel City 531711234 - 4" x 2-1/8" Deep Square Box Extension Ring w/ 1/2" and 3/4" Knockouts
![Steel City 53151 1/2 3/4 Pre-Galvanized Steel Square Box Extension Ring with 1/2-Inch and 3/4-Inch Knockouts - Ring Terminals - Amazon.com Steel City 53151 1/2 3/4 Pre-Galvanized Steel Square Box Extension Ring with 1/2-Inch and 3/4-Inch Knockouts - Ring Terminals - Amazon.com](https://m.media-amazon.com/images/I/41Kd4tOMWOL._AC_.jpg)
Steel City 53151 1/2 3/4 Pre-Galvanized Steel Square Box Extension Ring with 1/2-Inch and 3/4-Inch Knockouts - Ring Terminals - Amazon.com
![Steel City 1-Gang 3 1/2 in. New Work Pre-Galvanized Metal Octagon Electrical Box Extension Ring (Box/Conduit/Fitting Accessory) 2515112-25R - The Home Depot Steel City 1-Gang 3 1/2 in. New Work Pre-Galvanized Metal Octagon Electrical Box Extension Ring (Box/Conduit/Fitting Accessory) 2515112-25R - The Home Depot](https://images.thdstatic.com/productImages/1d5ea6b8-8445-4220-9704-30c54f37047b/svn/steel-city-accessories-2515112-25r-64_600.jpg)
Steel City 1-Gang 3 1/2 in. New Work Pre-Galvanized Metal Octagon Electrical Box Extension Ring (Box/Conduit/Fitting Accessory) 2515112-25R - The Home Depot
![Steel City 531511234UB 4" Square Extension Ring, 1-1/2" Deep, 1/2" & 3/4" Knockouts, 21.0"° | Cooper Electric Steel City 531511234UB 4" Square Extension Ring, 1-1/2" Deep, 1/2" & 3/4" Knockouts, 21.0"° | Cooper Electric](https://media.distributordatasolutions.com/new_abb/2021q4/images/large/1a23354795d45aaa116b56de113bd4255a2f4238-large.png)
Steel City 531511234UB 4" Square Extension Ring, 1-1/2" Deep, 1/2" & 3/4" Knockouts, 21.0"° | Cooper Electric
![Sigma Engineered Solutions 1-Gang Gray Metal Weatherproof New Work Standard Box Extender Exterior Electrical Box in the Electrical Boxes department at Lowes.com Sigma Engineered Solutions 1-Gang Gray Metal Weatherproof New Work Standard Box Extender Exterior Electrical Box in the Electrical Boxes department at Lowes.com](https://mobileimages.lowes.com/productimages/d4edaf28-0b0b-410e-ab1b-d044eb65ea94/48684105.jpg)
Sigma Engineered Solutions 1-Gang Gray Metal Weatherproof New Work Standard Box Extender Exterior Electrical Box in the Electrical Boxes department at Lowes.com
![Electrical Contrustion BS 4568 Conduit Malleable Iron Extension Box / Extension Ring - China Conduit Junction Box Cover, Round Box Cover | Made-in-China.com Electrical Contrustion BS 4568 Conduit Malleable Iron Extension Box / Extension Ring - China Conduit Junction Box Cover, Round Box Cover | Made-in-China.com](https://image.made-in-china.com/202f0j00clErLtFJZskW/Electrical-Contrustion-BS-4568-Conduit-Malleable-Iron-Extension-Box-Extension-Ring.jpg)
Electrical Contrustion BS 4568 Conduit Malleable Iron Extension Box / Extension Ring - China Conduit Junction Box Cover, Round Box Cover | Made-in-China.com
![RACO 4 in. W x 1-1/2 in. D Drawn Octagon Extension Ring with Two 1/2 in. and Two 3/4 in. Knockouts, 1-Pack 130 - The Home Depot RACO 4 in. W x 1-1/2 in. D Drawn Octagon Extension Ring with Two 1/2 in. and Two 3/4 in. Knockouts, 1-Pack 130 - The Home Depot](https://images.thdstatic.com/productImages/e7008460-4091-4678-aace-c6b2a9ec4ceb/svn/accessories-130-4f_600.jpg)
RACO 4 in. W x 1-1/2 in. D Drawn Octagon Extension Ring with Two 1/2 in. and Two 3/4 in. Knockouts, 1-Pack 130 - The Home Depot
![Steel City 4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring 551511234-25R - The Home Depot Steel City 4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring 551511234-25R - The Home Depot](https://images.thdstatic.com/productImages/a541812a-2ae1-46aa-bf46-c3ba0edef5c1/svn/steel-city-accessories-551511234-25r-64_600.jpg)
Steel City 4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring 551511234-25R - The Home Depot
![Hubbell-Raco 207 :: 4" Square Extension Ring, 2-1/8" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY Hubbell-Raco 207 :: 4" Square Extension Ring, 2-1/8" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY](https://rexel-cdn.com/products/image.jpg?i=7BCAF418-0CE7-43BE-A569-9A7121B826D0&f=420)
Hubbell-Raco 207 :: 4" Square Extension Ring, 2-1/8" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY
![ReceptXtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004 - The Home Depot ReceptXtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004 - The Home Depot](https://images.thdstatic.com/productImages/452a4fc7-e7b2-46a2-9853-ed308614623f/svn/receptxtenders-accessories-hd50004-64_600.jpg)
ReceptXtenders 1-Gang 1/2 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50004 - The Home Depot
![2 Pcs, 4 in. Round Pan Box Extension Ring, 1/2 in. Deep, Zinc Plated Steel Used to Mount Ceiling & Wall Lighting Fixtures to Provide Additional Wire Capacity - Amazon.com 2 Pcs, 4 in. Round Pan Box Extension Ring, 1/2 in. Deep, Zinc Plated Steel Used to Mount Ceiling & Wall Lighting Fixtures to Provide Additional Wire Capacity - Amazon.com](https://m.media-amazon.com/images/I/61Ij7twEHNL._AC_UF894,1000_QL80_.jpg)