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Jacob's Ladder (220V)

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Product Description

Safety Shutdown prevents accidental shock if contact is made to the ladder elements.

Same as the JACK30, but runs at 220V for international use.

The finished unit intended for museums and similar displays is fully enclosed with the traveling plasma arc inside of a clear plastic shroud. The base of the unit is formed from sheet aluminum and houses all the electronics with the controls being on the front panel. A black textured piece of aircraft lexan is formed into the cover.

An internal fan supplies a slight over atmosphere pressure at the bottom starting point of the arc ladder to prevent any arc hangup from forming.

This item is assembled and ready to use.
It is also available as a kit with plans and all parts, requiring assembly.
Or as plans (paper or downloadable versions), with parts and assembly required.


Produces a traveling wave of plasma that starts at the base of the ladder electrode elements, rises and widens as it ascends and evaporates into space. The vertical travel distance of the arc is about 16" and reaches a width of 2-3 inches as it extinguishes. It then repeats and continues traveling up the ladder, evaporating and restarting.

Allows varying the arc texture by a simple control that also is the main power switch. Texture can be a thin wispy-like spark to a heavy hot energetic plasma arc.

Size of base is 9.5 x 9.5" square with an overall height of about 22" (with shroud), and a weight of about 4 pounds. Runs from wall power (220 vac at 1 amp) through a standard three-wire grounded cord. This is a 220 volt version for international use.


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