Hubbell-Raco 953 (4) Gang 1-5/8-Inch Deep Welded Gang Electrical Box with (16) Concentric 1/2-Inch and 3/4-Inch Knockouts : Amazon.ca: Tools & Home Improvement
electrical - Wiring 4 gang box - Home Improvement Stack Exchange
Iberville 4-Gang Device Box with NMD90 Cable Clamps, Holding Prongs and Prepositioned Depth Tabs | Lowe's Canada