Electrical Construction & Maintenance

Brushing Up on Class 1 Circuit Requirements

Article 725 provides the requirements for Class 1 circuits in Part II. A Class 1 circuit is that portion of the wiring between the overcurrent protective device (OCPD) of a Class 1 power supply and ...
Rochester Institute of Technology

Batteries included: Engineering Design Tools class transitions from fully onsite to mixed-class structure because of pandemic

Engineering Design Tools, a first-year course, is an example of how RIT’s most applied programs have managed to keep learning as close to hands-on as possible in the age of COVID-19. Mechanical ...
Electrical Construction & Maintenance

Remote Control and Signaling Circuits, Class 1

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Article 725 of the National Electrical Code (NEC) covers remote-control, signaling, and power-limited circuits that are not integral to a device or ...
Time Out

A guide to graphic design summer classes

Whether you’re a working professional looking to advance in your career, a student trying to get through your classes more quickly, or you just enjoy the challenge of learning something new, a summer ...
Electronic Design

Class AB Op Amps: The Solution for Low-Iq Audio

Different classes of amplifiers. What are the benefits of class AB amplifiers? Patents that address the quiescent current of class AB amps. Amplifiers have many classifications, and each class has its ...
Electronic Design

Class-D Amps Raise Low-Power Systems To The Next Level

This article was originally published in the Dec 14, 1998 issue of Electronic Design. Class-D audio power amplifiers (APAs) were first introduced nearly 50 years ago. Since then, they have been used ...