Welcome to the first in a series of articles focusing on electrical calculation basics. This month, we'll discuss the most fundamental of calculations — those for current (I) and kilowatts (kW). We'll ...

In power distribution systems, three-phase transformer configuration directly impacts system reliability and load management.

Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Transformer Calculations.

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...