How to make a simple series bulb test lamp

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

Bulb Holder

That's all you need. The simplest series test bulb is ready.

Two pin plug

Watch Video on @electronics electrical malayalam - youtube on how to make simple series bulb

Watch or read how to test ceiling fan capacitor