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

The new NTC input pin enables more precise external temperature measurement alongside existing junction readings.

The Vitrek 4700 Precision High Voltage Meter revolutionizes high voltage testing with direct accuracy and integrated probe intelligence for optimal performance.

Here's what to look for, and how to fix what you find. Working on your own home is empowering, and it saves you money. Even before I became an electrician, I tackled DIY projects from plumbing to ...