Electric discharges, Jacob’s ladder:
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Wall switch
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Electric transformer
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Small switch, toggle switch
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Electrical discharge surge
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Button click
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Movement, Low frequency electric drone
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Shoots an electric arc indoors
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Start up, Electronic energy, shutdown,
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Low Frequency Electric Drone
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Current, discharge, electricity
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Low frequency rumble
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Turn off the appliance,, Turn on
★★★★★