Lightning strikes on power systems are common. A storm is overhead and lightning attempts to find the easiest pathway to ground. This...

General - Motors are magnetic devices. They rely on the interaction between magnetic fields to create rotation. Before this rotation...

Determining the ampacity of conductors is never easy. There are a lot of factors to consider, including derating and overcurrent...

At the highest level, we could break electrical circuits into 2 categories: branch circuits and feeder circuits. Branch circuits describe...

What's the difference between an electrical engineer and an electrician? I can't tell you how many times I've heard that question. It's...

Electricity is dangerous-plain and simple. The world has become electrified and electricity has almost universally improved the standard...

The Problem - Consider this hypothetical example: an XHHW-2 circuit is designed for operation at 90°C. The engineer or designer believes...

What are Transients? - Transients describe the behavior of a circuit before it reaches a steady-state condition. This means that some new...

Designing and building a good electrical power system is about more than just making sure that all of the studies turn out okay. A common...

Introduction - If you take a college ethics class, chances are you'll be learning about philosophers and the abstract ideas. My purpose...