You may have come across two terms about using relays for switching. One term is “dry” and the other is “wet.” Where these two words come from is beyond my understanding, but rest assured that those ...

Two simple tests can go a long way toward ensuring the reliability of today�s reed relays. The reliability of today�s dry-reed relays can approach or exceed that of electronic components in many ...

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 ...

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 customer’s site to provide them ...