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Cake day: June 2nd, 2023

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  • I see, the instructable suggests using an incandescent (specifically not flouro) globe wired in series with a full bridge rectifier to convert to DC. This would limit the current but is a bit ghetto and the light/heat produced is wasted energy. However a lighting ballast may not be useable as tesla coils are generally dependent on frequency. A globe or element would increase resistance as it warms as they have positive temperature coefficients. So in this case I would say wire a standard globe in series on the active side going into a rectifying diode or full bridge rectifier to convert to DC power. wire mains active to globe socket then globe neutral into diode into your circuit then circuit negative to mains neutral. Hope this helps, best of luck (stay safe) Note: I’m Australian and not overly familiar with your 110v residential wiring, caution advised