What does that flashing green light mean?

Special thanks to our Texas Sisters and Brothers at the Kingsville Fire Department.

The Green light on our volunteer first responder’s vehicle. 

Volunteer first responders, when approved by the chief of their respective service, shall be authorized to use a green light on the front of their private cars when responding to the firehouse on emergency duty only. Such green light shall be visible for a distance of two hundred feet under normal atmospheric conditions and shall be of a type and mounting approved by the Washington state patrol. The use of the green light shall only be for the purpose of identification and the operator of a vehicle so equipped shall not be entitled to any of the privileges provided in RCW 46.61.035 for the operators of authorized emergency vehicles.  RCW 46.37.185

Green lights for volunteer first responder vehicles must (WAC 204-21-130)
  • (a) Meet the requirements of SAE J595 except that the color of the lamp must be green as the color described in SAE J578.
  • (b) Be visible for a distance of two hundred feet under normal atmospheric conditions.
  • (c) Not have a maximum light projected in any one direction exceeding three hundred candle power.
  • (d) Be mounted no less than twenty-four inches above the level surface upon which the vehicle stands, or may be placed on the forward portion of the top above the windshield.
  • (e) Be mounted anywhere from the center of the vehicle to the left side thereof.
  • (f) Be used only for the purpose of identification and the operator of a vehicle so equipped must not be entitled to any of the privileges provided in RCW 46.61.035 for the operators of authorized emergency vehicles.
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