Turn on, turn off the appliance, low-frequency hum: Listen & Download Turn on, turn off the appliance, .mp3 Error! Change your browser, please! ⇓ Download Toggle switch, Small switch ⚠ Button click ⚠ Shutdown,, start up, Electronic energy ⚠ Low frequency rumble ⚠ Discharge, Current, electricity ⚠ Electrical discharge surge ⚠ Electric discharges, Jacob’s ladder ⚠ Shoots an electric arc indoors ⚠ Electric sparks ⚠ Wall switch ⚠ Small electric motor ⚠ Switch ⚠ ★★★★★ HTML code: BB code: