emergency relay
1Relay valve — A relay valve is an air operated valve. It is most commonly used in air brake systems to control the brakes at the rear of a trailer in a tractor trailer truck.It would take too long for sufficient air to travel from the brake pedal valve to the… …
2Emergency Alert System — The Emergency Alert System (EAS) is a national warning system in the U.S. put into place in 1994, superseding the Emergency Broadcast System (EBS) and the CONELRAD System and is jointly coordinated by the Federal Communications Commission (FCC),… …
3Emergency Broadcast System — For the record label, see Emergency Broadcast System Records. For the multimedia group, see Emergency Broadcast Network. The Emergency Broadcast System (EBS) was an emergency warning system in the United States, used from 1963 to 1997, when it… …
4Emergency medical dispatcher — United States An Emergency medical dispatcher is a professional telecommunicator, tasked with the gathering of information related to medical emergencies, the provision of assistance and instructions by voice, prior to the arrival of Emergency… …
5Emergency Medical Dispatcher — An Emergency Medical Dispatcher is a professional telecommunicator, tasked with the gathering of information related to medical emergencies, the provision of assistance and instructions by voice, prior to the arrival of paramedics, and the… …
6Emergency light — An emergency light is a battery backed lighting device that comes on automatically when a building experiences a power outage or in the event of fire. Emergency lights are standard in new commercial and high occupancy residential buildings, such… …
7American Radio Relay League — infobox Organization name = American Radio Relay League image border = size = 100px caption = msize = mcaption = abbreviation = ARRL motto = The National Association for Amateur Radio …
8Amateur Radio Emergency Service — infobox Organization name = Amateur Radio Emergency Service image border = size = 125px caption = msize = 125px mcaption = abbreviation = ARES motto = formation = extinction = type = Non profit organization status = purpose = Emergency response… …
9Radio Amateur Civil Emergency Service — infobox Organization name = Radio Amateur Civil Emergency Service image border = size = 169px caption = msize = mcaption = abbreviation = RACES motto = Emergency Communications Through Radio Amateur Operators formation = 1952 extinction = type =… …
10999 (emergency telephone number) — A sign on a beach in Whitstable, United Kingdom, advising readers to dial 999 in the event of an emergency 999 is an official emergency telephone number in a number of countries which allows the caller to contact emergency services for urgent… …
