A Ground Fault Indicator


This is a very simple circuit, but make sure you build it right!

If you add a plug to this, make double sure it is wired with the
Correct Polarities to the plug!

Caution, Shock Hazard!
Dangerous voltages present, when in use!
A piece of translucent coloered plastic material can be placed over the bulbs to show the colours needed, as indicated below. Or label the bulbs and data sheet with appropriate markings so you can determine the proper results.

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