T-45C TS, ADV & IUT ENG-02
Electrical System
2.
Controls/switches
a.
Instruments, control panels/units, and light
plates on the main instrument panel are
powered from the 26 VAC non-essential bus
b.
Instrument, control panels/units, and light plates
on the left and right consoles are powered from
the 115 VAC non-essential bus
c.
Emergency lights are powered by the 28 VDC
essential services bus and illuminate
automatically
d.
Map reading lights are powered by the 28 VDC
essential services bus and are available at all
times the bus is powered. Map reading lights
are independently controlled with a dedicated
rheostat within each light
e.
When WARN/CAUT Dim Select switch is on,
the intensity of the warning, caution, and
advisory lights is automatically dimmed
f.
The MIP on/off switch is an integral part of the
MIP rheostat
IV. Electrical system aircraft interfaces 1.4.4.2
Sg 5, fr 2
Lesson Organization
ELECTRICAL SYSTEM
LESSON NOTES
* Major component
identification
Refer to Figure 8 for a replication of the Electrical Load
* Operational characteristics
Distribution list printed in NATOPS. Note that the 28 VDC
* Aircraft lighting system
Ground Services Bus is not shown. However, it is depicted in
* Aircraft interfaces
the NATOPS Electrical Distribution foldout.
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Change 4 (9-98)
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