How To Use A Multimeter Voltage Tester

Mags how to videos how to use a multimeter for beginners in this video i will help teach you how use a multimeter to test volts ac dc amps and ohms.

How to use a multimeter voltage tester. If everything is ok the tester should give you a visual or sound indication that the wire is live. Milli meters are designed to cater to three different parameters thus measuring voltage set the selection knob to voltage mode. We have started video tutorial series on how to use multimeter in our channel being engineers and in this video we will show you how to safely measure ac voltages using multimeter. If the wires are exposed or you can reach the metal terminals you can use a contact voltage tester. If no voltage is present unscrew the fixture from the electrical box.

Make sure the light switch is in the on position. Before you test voltage check if the wires are live. Taking your reading cautions of checking the voltage of live wire. Plug in the probes step 4. A voltage tester does not tell you the exact amount of voltage.

In this video i go through the basic functions of a cheap multimeter i cover how to measure ac and dc voltage how to measure resistance how to test for co. The tester shouldn t indicate power since that is the negative terminal. To get accustomed to using a multimeter test it on a battery. Set the voltage tester to ac or dc depending on the current you want to check. Electrical outlets in homes use ac but car stereos use dc so make sure you know which you need to use.

Also set your meter to the appropriate range. Use the tester to check for power. Set the parameter to voltage step 3. Use the part labeled v and a wavy line to measure alternating current. What does it mean to check the voltage of live wires.

A non contact voltage tester is great especially for wires that are hidden behind insulation or a socket. Pull it out and test the other wires in the box as before. Connect the multimeter in parallel. You will get an introductory video of this multimeter whose link is given in the description of this video. How to use a multimeter to test voltage of live wires.