A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

All questions and answers are based on the 2017 NEC. Q. What is the Code requirement for sizing the overcurrent protection of conductors? A. Except as permitted by Sec. 240.4(A) through (G), ...

All questions and answers are based on the 2017 NEC. Q. Per the NEC, overcurrent protection devices must be placed at what location in branch-circuit or feeder conductors? A. Except as permitted by ...

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 ...

Raychem Circuit Protection, a business unit of Tyco Electronics, has announced the introduction of its 2Pro device series that features integrated overcurrent ...

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 ...

A motor protection relay safeguards electric motors by detecting thermal stress, phase imbalance, stall, and abnormal ...

The new components include the PMPS150-1812; PMPS150E-1206; PMPS200-1812; PMPS200D-1210; PMPS260C-1812; and PMPS380E-1206. These surface mount device (SMD) PPTCs are designed for overcurrent ...

Revolutionary vacuum fault interrupter technology enhances uptime, safety, and remote management for high-density power infrastructures ATLANTA, Aug. 4, 2025 /PRNewswire/ -- Power and Data Management ...

As the electric distribution system transforms into a smarter network, Commonwealth Edison Co.’s distribution automation team has embarked on a step-change journey that will transform distribution ...

The evolution of today’s Power over Ethernet (PoE) and Power over Data Line (PoDL) systems. The fundamental power delivery characteristics of PoE and PoDL and how these digitally integrated, ...