Design Tips & Articles | Breaker & Fuse

Apr 26, 20224 min read

Motors (NEC 430)

General - Motors are a common type of load used to run fans, pumps, and more. They convert electrical energy to mechanical energy, an...

Apr 26, 20222 min read

Kirchoff's Laws

Kirchoff's Laws are statements about the nature of current and voltage. Unlike Ohm's Law, which describes the behavior of devices in a...

Apr 26, 20224 min read

Three-Phase Power

The dominant form of power generation, transmission, and distribution in the United States is via three-phase. Three-phase power uses...

Apr 25, 20224 min read

The Power Triangle

At its most basic, power is the product of a current and a voltage at any point in time. In other words: Pn = Vn In Where: Pn is the...

Apr 25, 20224 min read

Ohm's Law

Ohm's Law is the most important equation in all of electrical engineering. It is simple, used all the time, and underpins the physics of...

Apr 25, 20223 min read

Do Electrical Engineers need to know CAD?

CAD stands for "computer-aided design". Taken literally, that could mean a ton of different things, since engineers use computers for...

Apr 24, 20224 min read

Transformers (NEC 450)

General - Transformers are one of the most common components of any electrical power system. People see them all the time but don't know...

Apr 21, 20222 min read

The Authority Having Jurisdiction

Scattered throughout standards like the National Electrical Code, you'll find reference to an entity known as "The Authority Having...

Apr 21, 20224 min read

Load Factor

General - If you look closely at NEC Article 311 (in the 2020 edition of the Code), you'll see that there are ampacity tables referenced...

Apr 21, 20222 min read

Panelboards, Switchgear, and Switchboards (NEC 408)

Panelboards, like the one pictured below, can be found in virtually all buildings with electrical service. Switchgear and switchboards...