How To Measure Wall Outlet Voltage. You can measure the outlet voltage by taking each probe in one hand and being sure not to touch the metal part of the probe, inserting each one into one of the two similar openings of the socket (the third opening is connected to. How to check for a properly grounded outlet.
When you measure the volts of some ac with a multimeter, the displayed volts is the peak voltage.
If you want to learn how to take wall outlet and house/factory electrical measurements, seek qualified training in a stock propscope cannot be used to measure wall outlet voltage. A short video on how to measure dc (direct current) voltage using the dmm or digital multimeter using a variety of batteries for this. Shop our wide selection of electrical outlets including power bars, receptacles, extension cords and more. Home is rated at 120 volts.