Directional Flashing Optical Warning Devices for Authorized Emergency, Maintenance, and Service Vehicles
This document provides design guidelines, test procedure references, and performance requirements for directional, single color, flashing optical warning devices used on authorized emergency, maintenance and service vehicles. It is intended to apply to, but not limited to, surface land vehicles.
Rationale: It is time for the 5 Year Review.
Plan on adding color green to the photometric and color requirements for Class 3A and 3S devices.
Plan on adding electromagnetic Interference requirementsguidelines were added for devices containing electronic controlling elements, converters, regulators, or actuators.