When I moved into my current home, the kitchen had been recently remodeled. Great! That meant it had at least two 20-amp circuits to handle all the kitchen appliances, countertop and wall receptacles ...

All questions and answers are based on the 2017 NEC. Underlined text indicates a Code change. Q. What does the Code require for overcurrent protection of flexible cords, flexible cables, and fixture ...

This circuit provides latching and high-speed overcurrent protection for power-factor corrected (PFC) boost converters operating at dc voltages to 380 V. This circuit provides latching and high-speed ...

One of the most common reasons to measure current in today’s automotive systems is to detect fault conditions and respond to them quickly. I touched on this topic previously in Signal Chain Basics ...

For the PDF version of this article, click here. Protecting power transistors against overcurrent failure has always been a challenging issue in power circuit design. In order to protect against even ...

The usual way of preventing a small motor from drawing too much current is to install overcurrent protection in the form of a circuit breaker or some other kind of limiter. But installations that ...

With the rise of vehicle electrification, the number of digital power control systems and electric motors in automobiles is expanding rapidly. Correspondingly, electrical systems must be as efficient ...

For modern distribution protection, Negative Phase Sequence (NPS) Protection is often relegated in favor of common elements such as Overcurrent (OC) or Earth Fault (EF), but NPS is an incredibly ...

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Article 240 provides the requirements for overcurrent protection and selecting/installing overcurrent protective ...

This 'back-to-the-basics' video that explains how non-directional overcurrent works. It shows the difference between a fuse and an overcurrent protections scheme with current transformer, relay and ...