Tester Pen Principles Most Dangerous Electrical Tool скачать в хорошем качестве

Tester Pen Principles Most Dangerous Electrical Tool

In this video we will show you the Principle and show how to use voltage tester pen and distinguish between Null/ Fire wire and show the principle of fielect non contact voltage and tester pen with sound and light in this diy and life hacks video. Curious about how a test pen works? This video breaks down the components of an electrical tester, showing its metal tip, resistor, and indicator light. Learn how to use a test light to check for electricity in an outlet, understanding the principle behind its operation. We also explain why touching the metal tail is crucial for proper function. #lifehacksclub #diyproject