Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...

Hybrid relays combine a mechanical switch with a solid-state switch, and they are set up in parallel to control a single load.

The American Cancer Society’s Relay For Life event in The Woodlands has been a staple in the community for at least the past decade, but organizers are embarking on new territory this year as they’ve ...