light fluorospark

From Quake Wiki

Fluorescent Light (makes sparking sound): {

   "classname" "light_fluorospark"
   "origin" "X Y Z"    // Tells where the light is
   "light" "#"         // Tells how bright the light is (optional - default 200)
   "style" "#"         // How the light appears
   "spawnflags" "#"    // State light starts in
   "targetname" "#"    // Target id of the light

}

Source: http://www.gamers.org/dEngine/quake/QDP/qmapspec.html#2.3.1