![]() ![]() Longevityįor long-term use and durability, choose a voltage tester from one of the trusted manufacturers in the electrical tools industry. A multimeter can switch between alternating and direct current as well as test for resistance and amperage. If taking on electronic device repairs (computers, drones, or televisions, for example) or working on a vehicle, look for a multimeter with a built-in voltage tester. ![]() Many pen testers also have voltage working ranges-such as 90 to 1,000 volts-so some may not be able to detect low voltages. Pen and outlet testers are excellent for testing electricity within the home, including switches, outlets, and fixtures, but they’re typically useless when it comes to checking for issues with a vehicle’s electrical system. Certain types of voltage, or voltages outside of the range the tester can detect, won’t cause the tester to alert. ![]() Voltage testers aren’t compatible with every electrical device a DIYer might come across. If tackling a variety of electrical projects, a multimeter might be a real asset. To simply test a wire for power, a pen tester can do the trick without confusing buttons or switches. Multimeters can test for AC and DC voltage as well as resistance, amperage, and more.Įach user’s individual needs will determine which functions are necessary for a voltage detector. Many outlet testers can alert the user if the outlet’s wiring is backward. Some pen testers have built-in features like flashlights, measuring lasers, and infrared thermometers. They don’t help detect the direct current in a vehicle.īut that doesn’t mean that all voltage testers are one-trick ponies. In general, voltage testers are only useful for checking for alternating currents, such as the electricity in a dwelling or commercial building. They have grooves or hooks to surround a wire and detect voltage as well asleads (the wires and points connected to the tester) for testing contacts like outlets and terminals.
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