KKK-A-1822 E
NOTE:
TO MINIMIZE ELECTRICAL SYSTEM LOADING AND REDUCE
MAINTENANCE, LIGHT EMITTING DIODE (LED) STOP/TAIL,
DIRECTIONAL AND MARKER LIGHTS SHALL BE FURNISHED
WHEN SPECIFIED BY THE PURCHASER, (SEE 6.2 - FFF) ON
MODULAR BODIES.
3.8.2
AMBULANCE EMERGENCY LIGHTING.
As specified (see 6.2-v), a strobe, halogen, HID, LED, or any other source of light for the
emergency lighting system shall provide the ambulance with 360 degrees of conspicuity
for safety during its missions. The system shall display highly perceptible and attention-
getting signals that function in a modal system, and convey the message in the "PRIMARY
MODE" - "Clear the Right-of-Way" and in the "SECONDARY MODE" - "Hazard, Vehicle
Stopped on Right-of-Way." The ambulance standard warning light system shall not impose
a continuous average electrical load exceeding 40 amperes at 14.2 volts and 42 amperes
with the optional second amber rear light.
WARNING: PURCHASERS SHOULD NOT SPECIFY WARNING LIGHTS BEYOND
THOSE REQUIRED HEREIN. ADDITIONAL LIGHTING WILL UTILIZE
RESERVE ALTERNATOR CAPACITY AND COULD RESULT IN OVER
LOADED ELECTRICAL SYSTEMS. (SEE WARNINGS IN
PARAGRAPHS 3.7.1. AND 3.7.6)
Additional warning lights are not required but, if specified (see 6.2-v), shall not obscure
the light output of the standard warning light system. Additional warning light systems
furnished shall be separately switched. Any warning devices furnished, in addition to the
specified system, shall be compensated for with reserve or additional generating capacity
as required in 3.7.6.
3.8.2.1 EMERGENCY LIGHTING SYSTEM CONFIGURATION.
The ambulance standard emergency warning light system shall contain twelve fixed red
lights, one fixed clear light and one or two fixed amber or SAE "selective yellow" light(s),
(see 6.2-v).
These lights shall function in a dual mode system as shown in Table I below and meet the physical
and photometric requirements of 3.8.2.2. The upper body warning lights shall be mounted at the
extreme upper corner areas of the ambulance body, below the horizontal roofline. The single
clear light shall be centered between the two front facing, red, upper corner lights or in a dedicated
housing mounted forward of the body on the cab roof (see Figures 1, 2, and 3). If due to limited
body dimensions and physical size of the outboard forward facing lights, the lights may also be
mounted in dedicated housings on the cab roof. The standard warning lights shall not be obstructed
by doors or other ancillary equipment. The amber light(s) shall be symmetrically located between
the two rear facing red lights. The red "grille" lights shall be located at least 76 cm (30 in.) above
the ground and below the bottom edge of the windshield and be laterally separated by at least 46
cm (18 in.), measured from centerline to centerline of each lamp. The lateral facing intersection
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