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How to Test Electrical Circuits

If you have a fear of working on an electrical circuit just because it may be on or hot, investing in a multimeter or a tester should be your first order of business. The multimeters available in the market are inexpensive and can easily assure you that your electrical circuits are working properly. Follow a few simple steps to test your electrical circuit with the help of a multimeter.

Multimeter

Instructions

- 1
  Purchase a multimeter from a hardware store. Make sure that the two probes of your multimeter are insulated with plastic rubber capping.
- 2
  Hold the insulated part of the probe. Touch the bare metal end of the probe to one side of circuit outlet. Hold the insulated part of the other probe and touch the bare metal end of the probe into the other side of the outlet.
- 3
  Check the calibrated scale of your multimeter. If the multimeter shows a reading around 110 volts, the circuit is live.

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