3 Easy Ways to Test Voltage скачать в хорошем качестве

3 Easy Ways to Test Voltage

Before working on any switch, outlet, or light, you must know if it’s live. In this video, I show 3 simple ways to test voltage safely — without using a multimeter. Before doing any electrical work, verifying that there’s no power present is critical for safety. In this video, I explain how to quickly and reliably check if a wire, switch, or socket is energized using simple electrical testers — without connecting probes, changing settings, or pulling out a multimeter. You’ll learn how three common voltage testers work, when to use each one, and their limitations: Contactless (pen) voltage testers Voltage testers with probes Socket testers I also cover common mistakes, including false positive and false negative readings, and show why you should always test your tester before trusting the result. What you’ll learn in this video: How to quickly check if a wire is live When a contactless tester is useful — and when it isn’t When a probe-type voltage is more useful How socket testers reveal wiring and grounding problems How to test RCD / GFCI protection using a socket tester This video is intended for DIYers, homeowners, beginners, and anyone learning residential electrical wiring who wants to work more safely and confidently. If you’re interested in clear, practical explanations of residential wiring and electricity, consider subscribing to The Wiring Guide for more tutorials and safety-focused tips.