Ladder logic is the dominant representation of controls in power systems. Learn more about ladder logic, relaying, and boolean algebra here

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

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

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

I once had a professor tell me that grounding was the "black magic" of the electrical world. I thought it was funny until I started...

General - The 2020 edition of the National Electrical Code outlines the requirements for raceways, channels for routing conductors and...

Voltage Drop is the loss of voltage in a non-ideal conductor. In other words, conductors have an impedance, a resistance and a reactance,...

Wind power is ubiquitous. Massive wind turbines can be seen from miles away all across the United States. While the inner workings of...

Solar photovoltaic (PV) systems are capable of generating large amounts of electrical power by interconnecting smaller solar modules...

General - Overcurrent protection (OCP) devices are designed to protect conductors and electrical equipment from dangerous amounts of...

Ampacity refers to the amount of current (in Amperes) that can be carried by a particular conductor at a particular operating...