How To Measure Amps With A Multimeter

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Measuring amps with a multimeter is an important task that should be done properly to ensure the safety of your equipment and yourself. It doesn’t have to be a difficult process, though. With the right tools, knowledge, and safety precautions, anyone can measure amps accurately and safely.

What You Need to Measure Amps

Before you start measuring amps, you’ll need some essential tools. A multimeter is the most important tool, as it will be used to measure the amps. You’ll also need a set of alligator clips to safely attach the multimeter to your device, as well as safety glasses to protect your eyes.

Safety Precautions

When measuring amps, it’s important to take the necessary safety precautions. Before starting, make sure to turn off the power to the device you’re testing and disconnect the circuit. Then, wear safety glasses and rubber gloves to protect yourself from any potential shocks. Finally, secure the multimeter with the alligator clips.

Step-By-Step Guide to Measuring Amps

  • Turn the multimeter on and select the correct setting. For most multimeters, this setting is labeled “amps” or “A.”
  • Connect the multimeter to the device. Attach the red lead to the positive terminal, and the black lead to the negative terminal.
  • Turn on the power to the device.
  • Read the display on the multimeter. It should show the current in amps.
  • If the displayed current is more than the amperage rating on the device, shut off the power and investigate further.


Measuring amps with a multimeter is a straightforward process once you have the right tools. Just make sure to take the necessary safety precautions and follow the steps outlined above. With a little practice, you’ll be an expert at measuring amps in no time!