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|  MIL-T-12407X(AT)
on when either rear door is open. The operation of the floodlight shall be overridden by a dash
mounted switch and a patient compartment switch. The rear floodlight shall be swivel mounted to
provide vertical and horizontal adjustment. Mountings shall include locking devices to secure the
floodlight in any selected position. The mounting shall permit directing the light beam to the
ground to all points two feet or more from the vehicle. All switches shall be labeled as to
function.
3.7.1.1 Two spotlights. When specified (see 6.2), two spotlights shall be furnished in lieu
of a single spotlight, mounted so that one is located for convenient access by the driver, the other
for use by the assistant driver. Spotlights shall have inside controls, and shall be mounted through
the windshield posts or through the windshield header section. Interior controls shall be located
to minimize possible safety hazards.
3.7.2 Removal of lights for shipment. At the option of the manufacturer or when
specified (see 6.2), the spotlight(s) and floodlight specified in 3.7.1 and 3.7.1.1 shall be removed
for shipment where it will result in a reduction in overall vehicle shipping cubage. When removed,
the light(s) shall be stowed within the vehicle and the roof opening shall be provided with
weathertight cover(s). Provisions for reinstalling the light(s), including access to the light wiring
and mounting devices from inside the vehicle, shall be provided.
3.7.3 Auxiliary 110-volt circuit and wiring. When specified (see 6.2), a power pack
device capable of converting the 12-volt vehicle dc power supply to provide not less than
1,000 watts at 80 percent power factor and at 110 volts, single phase, 60-cycle, ac power, shall be
furnished. The circuit shall include two 110-volt grounded duplex receptacles mounted in the
patient compartment and a 110-volt male exterior outlet mounted on the curbside at the rear, for
connecting an exterior power source to the vehicle. One outlet shall be provided in allocation
convenient from the front of the curbside patient's seat. A second outlet shall be provided at the
rear of the patient compartment convenient to the attendant on the ground with the rear doors
opened. The exterior outlet shall include a ground and a spring or screw type waterproof cover.
When an external power service is used, the circuits shall be capable of automatically by passing
the vehicle power converter.
*
3.7.4 Body electrical wiring. All of the vehicle body electrical systems shall be on
circuit(s) separate and distinct from the truck chassis circuit(s). The body electrical wiring shall
incorporate overload protective devices of the automatic reset, overload, circuit breaker type.
Additionally, two spare single pole, 15-ampere circuit breakers shall be furnished for future radio
installation. The circuit breakers shall be readily available for inspection and service. The body
electrical ground system shall be a through ground to the chassis electrical system.
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