Amazon.com: Light Switch Guard, ILIVABLE Optional Wall Plate Cover Switch ON or Off Protects Your Lights or Circuits from Being Accidentally Turned On or Off (Not Child Proof) : Baby
Leviton 15/20 Amp Single-Pole Industrial Locking Toggle Switch, Brown R50-01221-0DL - The Home Depot
Master Lock Universal Wall Switch Cover - Total Lockout
Magnetic Light Switch Guards, ILIVABLE Toggle Light Switch Plate and Outlet Cover, Not Child Proof (Clear, 2 Pack): Amazon.com: Tools & Home Improvement
Style Selections 1-Gang Switch Guard Wall Plate, Clear (2-Pack) in the Wall Plates department at Lowes.com
Switch Plate Handles, Extenders & Locking Covers for Wall Plates