The simplest circuit to make a series bulb or series test lamp
This is the worlds simplest series bulb test lamp for you. For the purpose of series testing, there is no need of a series test board. That too with a complicated circuit with 2 or 3 switches and sockets.
To make this:
- Take a wire to about a meter
- Fold it to double
- Connect a two pin plug to the two ends
- Next, make a loose / loop about 8 inches from the plug pin
- Cut there and connect a bulb holder there
- Now cut the other folded end
- Remove the sleeve and if needed connect a test probe
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| Bulb Holder |
That's all you need. The simplest series test bulb is ready.
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| Two pin plug |
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