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  2. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    Red and blue emergency lights on a fire engine in Canberra, Australia. 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 ...

  3. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    The pattern is uniform without regard to the sound used. This pattern, which is also used for smoke alarms, is named the Temporal-Three alarm signal, often referred to as "T-3" or "Code-3" (ISO 8201 and ANSI/ASA S3.41 Temporal Pattern) and produces an interrupted four count (three half second pulses, followed by a one and one half second pause ...

  4. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    United States. [] In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens.

  5. Code 3 Collectibles - Wikipedia

    en.wikipedia.org/wiki/Code_3_Collectibles

    The models created by Code 3 Collectibles, were stock models which had been customized or converted from their original state. A few examples of Code 3 Collectibles models plain white cars or vans which have been painted or have had decals added with the livery of a police force such as stripes, force badge/crest, force code etc. Extras such as lightbars and possibly tools have been added as well.

  6. Xbox 360 technical problems - Wikipedia

    en.wikipedia.org/wiki/Xbox_360_technical_problems

    The same month, electronics warranty provider SquareTrade published an examination of 1040 Xbox 360s and said that they suffered from a failure rate of 16.4% (one in six). Of the 171 failures, 60% were due to a general hardware failure (and thus fell under the 3 year extended warranty).

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Emergency vehicle equipment - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_equipment

    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 probably ...

  9. Daisy chain (electrical engineering) - Wikipedia

    en.wikipedia.org/wiki/Daisy_chain_(electrical...

    A series of devices connected in a daisy chain layout. In electrical and electronic engineering, a daisy chain is a wiring scheme in which multiple devices are wired together in sequence or in a ring, [1] similar to a garland of daisy flowers. Daisy chains may be used for power, analog signals, digital data, or a combination thereof.