Last week, I stepped through the basics of automotive electrical circuits, explained how electrical current needs to flow ...

Petrochemical plants have many thousands of feet of electric heat tracing. It’s used primarily for winterization or process heating. Winterization protection protects lines and vessels from freezing ...

A transformer transfers electrical energy from one system to another by induction. Except for grounding and bonding connections, there’s no physical connection between the two systems. For this reason ...