Видео ютуба по тегу Square Extension Rings

Square Box: 1-1/2
Square Box: 1-1/2" Deep, 4" Square Extension Ring with Side Knockouts 53151-S
4
4" Square Extension Ring, 2-1/8" Deep: 53171-SUB
Square Box: 1-1/2
Square Box: 1-1/2" Deep, 4-11/16" Extension Ring with Knockouts 73151-S
1-1/2
1-1/2" and 2-1/8" Deep 4" Square Extension Rings with Conduit Knockouts
4-11/16
4-11/16" Square Extension Rings... 73171 Series
Square Box: 2-1/8
Square Box: 2-1/8" Deep, 4-11/16" Extension Ring with Knockouts 73171-S
4
4" Square and 4-11/16" Dual Access Box Extension Rings
Square Box: 1-1/2
Square Box: 1-1/2" Deep, 4" Square Extension Ring with (12) 1/2" Side Knockouts 53151-1/2
Square Box: Red 1-1/2
Square Box: Red 1-1/2" Deep, 4" Square Extension Ring with Side Knockouts 53151-RED
Square Boxes: 2-1/8
Square Boxes: 2-1/8" Deep, 4" Square Welded Extension Ring with & Side Conduit Knockouts 53171-OW
Square Box: 1-1/2
Square Box: 1-1/2" Deep, 4" Square Extension Ring with Side Knockouts 53151-3/4
1 Gang Multi-Gang Device Extender, 3/4 in. Raised
1 Gang Multi-Gang Device Extender, 3/4 in. Raised
4 Square Box Extender, 3/4 in. Raised
4 Square Box Extender, 3/4 in. Raised
Square Box: 2-1/8
Square Box: 2-1/8" Deep, 4-11/16" Extension Ring with Knockouts 73171-3/4
Octagon Box: 1-1/2
Octagon Box: 1-1/2" Deep, 4" Octagon Extension Ring with Side Conduit Knockouts 55151-S
4 Square Box Extender, 1/2 in. Raised
4 Square Box Extender, 1/2 in. Raised
Square Box: 2-1/8
Square Box: 2-1/8" Deep, 4" Square Drawn Extension Ring with Side Conduit Knockouts 53171-3/4
Square Box Cover: 4-11/16
Square Box Cover: 4-11/16" Square, Flat, Double Gasketed Steel Ring 73C1-VT
Square Box: Chicago Plenum, 2-1/8
Square Box: Chicago Plenum, 2-1/8" Deep, 4-11/16" Extension Ring with Air Tight Knockouts 73171-SVT
Masonry Box Extension Ring, Two Gang, 2-1/2 in. Deep
Masonry Box Extension Ring, Two Gang, 2-1/2 in. Deep