Section 25110 Of Article 6. Side And Fender Lighting Equipment From California Vehicle Code >> Division 12. >> Chapter 2. >> Article 6.
25110
. (a) The following vehicles may be equipped with utility
flood or loading lamps mounted on the rear, and sides, that project a
white light illuminating an area to the side or rear of the vehicle
for a distance not to exceed 75 feet at the level of the roadway:
(1) Tow trucks that are used to tow disabled vehicles may display
utility floodlights, but only during the period of preparation for
towing at the location from which a disabled vehicle is to be towed.
(2) Ambulances used to respond to emergency calls may display
utility flood and loading lights, but only at the scene of an
emergency or while loading or unloading patients.
(3) Firefighting equipment designed and operated exclusively as
such may display utility floodlamps only at the scene of an
emergency.
(4) Vehicles used by law enforcement agencies or organizations
engaged in the detoxification of alcoholics may display utility flood
or loading lights when loading or unloading persons under the
influence of intoxicants for transportation to detoxification centers
or places of incarceration.
(5) Vehicles used by law enforcement agencies for mobile blood
alcohol testing, drug evaluation, or field sobriety testing .
(6) Vehicles used by publicly or privately owned public utilities
may display utility flood or loading lights when engaged in emergency
roadside repair of electric, gas, telephone, telegraph, water, or
sewer facilities.
(b) Lamps permitted under subdivision (a) shall not be lighted
during darkness, except while the vehicle is parked, nor project any
glaring light into the eyes of an approaching driver.