Видео с ютуба Basic Electrical Tester
4 Basic Electrical Testers & HOW TO USE THEM
How to use a multimeter like a pro, the ultimate guide
All Components Tester | Transistor, Mosfet, IGBT, Capacitor and Diode Tester | Continuity Tester
Electricity Explained: Volts, Amps, Watts, Fuse Sizing, Wire Gauge, AC/DC, Solar Power and more!
Самый опасный электроинструмент
How to Use a Multimeter for Beginners - How to Measure Voltage, Resistance, Continuity and Amps
Как пользоваться тестером напряжения | Ask This Old House
How to Use a Multimeter | The Home Depot
How to Make Electrical DIY Safe for Beginners
Homemade non contact voltage tester using BC547, Simple AC detector