Carlon B121ADJ Outlet Box, New Work, 1 Gang, 3-3/4-Inch Length by 3-7/8-Inch Width by 3-3/8-Inch Depth, Blue, Outlet Boxes - Amazon Canada
Newhouse Hardware 1-Gang PVC Old Work Electrical Outlet Box (3-Pack) | 14 cu. in. Plastic Junction Box for Switches, GFCI, or Duplex Receptacle Outlet | Old Work Electrical Box for Home Improvement,
Iberville 16-1/2 cu in 1-Gang Handy Metal Electrical Box | Lowe's Canada
52151-K - 4 X 4 X 1 1/2 - SQUARE SHALLOW JUNCTION BOX W/KNOCK OUTS – Covalin Electrical Supply
11 Types of Electrical Boxes and How to Choose One