Steel City 1-Gang 2-1/2 in. D Old Work Metal Electrical Box with NM Clamp LXWOWC-20R - The Home Depot
Carlon BH118R Outlet Box, Old Work, 1 Gang, 3-7/8-Inch Length by 2-3/8-Inch Width by 3-5/8-Inch Depth, Blue, Outlet Boxes - Amazon Canada
Old Work Electrical Boxes How to install an electrical box into an existing wall or ceiling
Install wire to old work box
junction box - "Old Work" electrical box: should it be screwed into the stud? - Home Improvement Stack Exchange
CARLON 1-Gang Plastic Old Work Switch/Outlet Electrical Box at Lowes.com
Gardner Bender 2-Gang 26 CI Old Work Electrical Outlet Box - BOX-RD25 | Blain's Farm & Fleet
3 Types of Old Work Electrical Boxes and How to Install Them - YouTube
Old outlet cutout barely too tall for old work carlon box | DIY Home Improvement Forum
6 Pack PVC Round Old Work Ceiling Electrical Box, Outlet Boxes - Amazon Canada
Install wire to old work box
How to Install an Old Work (Retrofit) Electrical Box
Newhouse Hardware 1-Gang PVC Old Work Electrical Outlet Box (1-Pack) | 14 cu. in. Plastic Junction Box for Switches, GFCI, or Duplex Receptacle Outlet | Electrical Box for Home Improvement, Outlet Boxes - Amazon Canada
3 in. x 2 in. Switch Box, Gangable, 2-1/2 in. Deep, Eight 1/2 in. KO's, Tigergrip, Old work, Plaster Ears | 506 | Raco
How and When to Install "Old Work" Electrical Boxes - YouTube
Old Work Switch and Outlet Box with Quick/Click | Wall Boxes | Electrical Boxes | Wiring Devices