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Whelen Motorsports. Website. www.whelen.com. The Whelen Engineering Company is an American corporation that designs and manufactures audio and visual warning equipment for automotive, aviation, and mass notification industries worldwide. Founded in a Deep River, Connecticut garage in 1952, [1] Whelen has become a provider of warning lights ...
Emergency vehicle lighting. Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment, emergency vehicle lighting is generally used by emergency vehicles and other authorized ...
Federal Signal Model 5 in Ballston Spa, New York, U.S.. Sirens are sometimes integrated into a warning system that links sirens with other warning media, such as the radio and TV Emergency Alert System, NOAA Weather Radio, telephone alerting systems, Reverse 911, Cable Override, and wireless alerting systems in the United States and the National Public Alerting System, Alert Ready, in Canada.
An 1860s-era siren. [ 2 ] A siren is a loud noise-making device. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic.
Emergency vehicle equipment. An ambulance with two red revolving lights ( beacons) mounted above two flashing red lights, with two speakers between for the vehicle's electronic siren. Also seen are two antennae; the one seen between the two speakers is for a two-way radio, while the one seen in front of the flashing light on the left is ...
Additionally the lights are accompanied by loud sirens. [11] Wail, Yelp and Phaser electronic tones from a Whelen(R) siren unit. Most appliances are also fitted with audible warnings, sometimes known as sirens, which can alert people to the presence of an emergency vehicle before they can be seen. The first audible warnings were mechanical ...