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
Newhouse Hardware 2-Gang PVC Old Work Electrical Outlet Box (3-Pack) | 25 cu. in. Plastic Junction Box for Switches, GFCI, or Duplex Receptacle Outlet | Old Work Electrical Box for Home Improvement,
Electrical Small Junction Box Plastic Waterproof Project White 86x74x62mm 8Pack | eBay