Emergency Vehicle Equipment 07
Emergency Vehicle Equipment 07 : Visual Warning Devices: (2) Active Visual Warnings: These were the original type of emergency vehicle lighting. (c) Alternating Vehicle Lights or Wig-wags - This causes the Full beam headlights, or Fog lights to flash in a pattern (usually alternating left-right-left, although it can be together, or in a random pattern), and can also be used at the rear of the vehicle on Brake, Fog or reversing lights to warn vehicles approaching from the rear. (d) Grille lights - Flashing lights fitted on, in to or behind the grille of the emergency vehicle, creating forward-facing flashing effects, designed to be seen in the rear view mirror of moving traffic in front of the vehicle. These can be fitted to both overt and covert emergency vehicles, by simply changing whether they are mounted internally or externally, or by varying the lens colour (so that they may look like fog lights on a covert vehicle). (e) Dash Lights - These are forward-facing lights, like grille lights, but mounted on the dashboard of the emergency vehicle. They are more often found on covert vehicles, but may be found on some marked vehicles which are trying to increase visibility. In order to avoid dazzling the driver, they are normally fitted with 'shields' around the light which stop the light reflecting in to the cab. (f) Deck lights (or Parcel Shelf lights) - Rear-facing equivalents of the Dash Lights which are placed on the Parcel Shelf of the vehicle. These can be used in both overt and covert vehicles. Directional warning arrows located in the centre of this fire engine
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