Polarity Tester for Type of current tester

Electrical polarity (positive and negative) is the direction of current flow in an electrical circuit. Current flows from the positive pole (terminal) to the negative pole.

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WHAT IS POLARITY TEST?

Since a.c. installations consist of a Live and a Neutral conductor, it is extremely important that these conductors are connected the right way around, within all electrical accessories such as wall sockets or plugs. To ensure this, polarity test is done at each relevant point.

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Generally the polarity is measured by polarity tester but How if we made Polarity Tester at Home
Part List:-⤵
*)LED
*)ICECREAM STICK
*)WIRES
*RESISTANCE 1K
*)MULTIMETER PROD

Видео Polarity Tester for Type of current tester канала S. Kumar