Page 96 - Testing Electronic Components
P. 96
A 100 watt bulb use to discharge filter capacitor
Another method is that you can use a 100 watt electric light bulb and
touch the two wires coming out from the light bulb on the leads of the
capacitor. This method had been used by many electronic repairers
around the world for the light bulb will act as an indicator to see if the
capacitor still holds the charge. If there is a charge the light bulb will light
and after discharged the light bulb will goes off. I still preferred the third
method because you have to use both hands to touch on the capacitor
lead.
The right way to discharge capacitor with light bulb
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