Recessed Box, Triple Gang - Enclosed Back for A/V or Power
Install a Wall Hugger Receptacle (DIY)
Leviton 15 Amp 1-Gang Recessed Duplex Power Outlet, White R52-00689-00W - The Home Depot
Leviton 00689-R52 Recessed Duplex NEMA 5-15R Receptacle/Outlet, 15A, 125V, 1 Gang, White | Canadian Tire
Enclosure – Recessed 2 Gang TV Electrical Box | MilSted Data Products Store
CARLON 3 Gang Power/Communication Recessed Plate for Flat Screen TV, Four Spring-Out Cl-Amp to Secure Plate Against Drywall, Receptacle and Low Voltage Devices Not Included, White ABS | Lowe's Canada