Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

This chapter covers representative general-purpose relays used in the control circuits of most industrial, commercial, and consumer products. Relay names and terminology are in accordance with ...

As the largest track and field meet in the nation, the annual Penn Relay Carnival draws crowds of tens of thousands over three days of competition. Alongside the collegiate athletes and professional ...

In an individual-based sport, relays bring swimmers together for fun and fast races. Relays score big at meets, so the crowd and the teams in attendance get rowdy and excited to cheer for their teams.

Last column, I wrote about various applications where fire alarm relays could be used to integrate a commercial fire alarm system with other electrical systems at a ...