A Jacob’s ladder is driven by a voltage boosted microwave oven with a few steel wool sparkles thrown in for effect.
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The Jacob’s Ladder from Microwave Oven power supply.
A normal microwave oven has a 2 kV DC power supply. I have taken this transformer and run the AC through a voltage multiplier to allow boost starting voltages from 2 up to 10 kV. This is current limited by a 10 K ohm 100 W ballast resistor with the MO set to cook for 10 seconds. The shot also catches a poor contact arcing internally and burning up the plastic wire coating inside the cooking space.
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Circular Jacob’s LadderTry something else
Microwave CD abuseExternal links
Photo Date: Feb 9, 2008