How To Use A Multimeter Voltage Tester
Also set your meter to the appropriate range.
How to use a multimeter voltage tester. How to use a multimeter to test voltage of live wires. A voltage tester does not tell you the exact amount of voltage. Connect the multimeter in series. What does it mean to check the voltage of live wires. Pull it out and test the other wires in the box as before.
Taking your reading cautions of checking the voltage of live wire. Touch the black probe to one screw and the red probe to another. To get accustomed to using a multimeter test it on a battery. 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. You will get an introductory video of this multimeter whose link is given in the description of this video.
Why is it important to check the voltage of a live wire. Electrical outlets in homes use ac but car stereos use dc so make sure you know which you need to use. 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. Connect the multimeter in parallel. The tester shouldn t indicate power since that is the negative terminal.
Milli meters are designed to cater to three different parameters thus measuring voltage set the selection knob to voltage mode. Place the tester into the positive side of an outlet. If you re attempting to test live wires find the screws pinning the wires in place. A non contact voltage tester is great especially for wires that are hidden behind insulation or a socket. Set the voltage tester to ac or dc depending on the current you want to check.
Use a voltage tester. If everything is ok the tester should give you a visual or sound indication that the wire is live. 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. Use the part labeled v and a wavy line to measure alternating current. Plug in the probes step 4.