Is measuring voltage dangerous?

by admin on October 12, 2017

Measuring voltage and how to use a digital multimeter (DMM) can be confusing to a beginner and potentially dangerous depending on what you happen to be measuring the voltage of. For example if you are measuring the voltage inside a television set or other device that has a Cathode Ray Tube (CRT) there will be voltages on the order of 10’s of thousands of volts. Anything that is plugged into a standard wall outlet (115V in US or 230V in UK for example) can kill you.


Knowing how to use a DMM, properly, can save your life. Did you ever think that even though the test leads are insulated that that insulation may not protect you from the high voltages found with any CRT? In the book, Jestine shows you the right way of measuring voltage. Properly and successfully testing electronic components begins with knowing how to use a DMM. It doesn’t matter if you are measuring voltage, resistance or if you want to know how to test a capacitor, knowing how to use a DMM is key to your success in electronic repair. With this electronic repair guide, you’ll learn the right way to test or measure any all electronic components.

Click here for more information on the very informative book, Testing Electronic Components.

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