When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

Ever wondered how pros test auto wiring without stripping wires? This Harbor Freight kit helps you do it, like they do, without zapping yourself.

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...

Over on YouTube our hacker [VIP Love Secretary] shows us how to make a simple MOSFET tester. This is a really neat, useful, elegant, and simple hack, but the video is kind of terrible. We found ...

In part 1, we examined the operation of power supply supervisory ICs that can detect when the supply voltage is too low, and ...

Shares of Osia Hyper Retail continued the upward trend on Monday, September 8, 2025, hitting the 5 per cent upper circuit for the 15th consecutive session. The stock opened at an intraday high of Rs ...

Shares of Hyderabad-headquartered MIC Electronics Limited skyrocketed on Thursday, September 4, 2025, as the GST Council approved a two-tier rate structure of 5 and 18 per cent during a marathon 56th ...

Penny stock: The shares of Welcure Drugs & Pharmaceuticals hit 5% upper circuit on Wednesday's trading session following the company's announcement of a Letter of Intent (LOI) with Telexcell Trade PTE ...

Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.