Extension Ring – Squarehood
Extension tube - Wikipedia
Sigma Engineered Solutions Metal Weatherproof New Work Box Extender Electrical Box in the Electrical Boxes department at Lowes.com
RACO Steel New Work/Old Work Box Extender Electrical Box in the Electrical Boxes department at Lowes.com
TP564 | Eaton Crouse-Hinds series square extension ring | Specifications | Eaton
Appleton 4SSBESPL :: 4" Square Extension Ring, 1-1/2" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY
Raco 8201 Square Extension Ring, Drawn, 4", 1-1/2" Deep with Twelve 1/2" KO"s, Gray: Electrical Boxes: Amazon.com: Tools & Home Improvement
Appleton 40E12 :: 4" Octagon Box Extension Ring, 1-1/2" Deep, 1/2" KOs, Steel :: PLATT ELECTRIC SUPPLY
Commercial Electric 1-Gang Metallic Weatherproof Extension Ring with (4) 1/2 in. Holes, Gray WSE450G - The Home Depot
RACO 8203 Electrical Box Extension Ring, 1 Gang, 22.5 Cu-in, 4 in L X W X 1-1/2 in D, Color - Electrical Boxes - Amazon.com
3-1/2 in. Octagon Extension Ring, Drawn, 1-1/2 in. Deep, Four 1/2 in. KO's | 111 | Raco
3-1/2" Round Pan Box Extension Ring, 1/2" Deep - Drawn, Fixture Earss2-3/4" O.C. | Southwire
Appleton 4SES :: 4" Square Extension Ring, 1-1/2" Deep, Drawn, Metallic :: PLATT ELECTRIC SUPPLY
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. 21 cu. in. Square Box Extension Ring 531511234-20R - The Home Depot
Classic Hopper Extension Ring
4" Square Extension Ring, 1-1/2" Deep - Welded, W/Conduit KO's | Southwire
Hubbell-Raco 207 :: 4" Square Extension Ring, 2-1/8" Deep, Welded, Metallic :: PLATT ELECTRIC SUPPLY
Extension Rings - Weatherproof Products
Hubbell-Raco 653 Handy Box Extension Ring | Standard Electric Supply Co.
RACO 2-Gang Steel New Work/Old Work Box Extender Electrical Box in the Electrical Boxes department at Lowes.com
Raco 262 Square Extension Ring, Drawn, 4-11/16", 2-1/8" Deep with Eight 1/2 and Four 3/4" KO"s: Amazon.com: Tools & Home Improvement
Thomas & Betts 531711234 Steel City Extension Ring | Standard Electric Supply Co.
