Electrical discharge surge: Listen & Download Electrical discharge surge .mp3 Error! Change your browser, please! ⇓ Download Low frequency rumble ⚠ Small switch, toggle switch ⚠ Electric discharges, Tesla coil ⚠ Small electric motor ⚠ Switch ⚠ Multichannel switch ⚠ Turn off the appliance,, Turn on ⚠ Electric sparks ⚠ Electrical discharge surge ⚠ Wall switch ⚠ Button click ⚠ Current, electricity, discharge ⚠ ★★★★★