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 ...

Note: This article is based on the 2011 NEC. Article 430 provides the requirements for electric motors while Art. 440 offers amended and additional requirements for hermetic motors, such as those used ...

TE Circuit Protection introduces its addition to its PolySwitch telecom devices, the TSM600-250F-RA-2. It is a polyswitch device designed for telecom and networking devices. It has a maximum interrupt ...

Microcontroller units (MCUs) are generally limited with lower drive on the I/Os. Most of the applications requiring MCU boards to drive high-current loads need discrete implementation and additional ...

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 ...

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 ...

Downtime has taken on enormous importance as companies struggle to compete in a global market and a global downturn. Managers are in hot pursuit of technologies that reduce business interruptions, no ...