My Plasma Sphere Page is now here!
(These things are occaisionally called "lightning globes")
(Last significant change late June 1996, minor update 5/20/2006.)
To find out more, see Sam Goldwasser's Jacobs Ladder Article. (New version 1.29, different file name, copied to this site 11/3/98)
You may also want to see Bill Beatty's Jacobs ladder text file.
WARNING - Jacobs ladders typically use currents around 20 to 30 milliamps, and I have seen several credible warnings that as little as 5 to 8 mA. of AC at power line frequencies can sometimes kill. Also, the arc typically generates traces of noxious ozone and nitrogen dioxide. Build, operate or troubleshoot these only at your own risk of death/injury/fires/lawsuits.
A multi neon lamp flasher from wenzel.com, now at techlib.com. This document is in PDF format.
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