Flights to St. Thomas and St. John. Enjoy a magnificent trip to St. Thomas and St. John, two islands that promise to provide a seaside paradise for you to revel in throughout your vacation.
A Relay Rack is a 2-post aluminum or steel structure with either EIA standard (round) mounting holes or universal (square) mounting holes. Relay Racks are also known as 2-Post Racks or Open Bay Racks. The vertical holes spacing on Relay Racks are standardized for mounting Telco, or computer / network equipment.
Top 10 facts about the world. An electrical relay is a switch that is under the control of another circuit. A classic example is the system used to start a car â when someone turns an ignition key, the ignition does not interact directly with the car battery. Instead, it activates a relay, which passes the signal on so that the car can start.