T-45A UJPT, E2-C2, ADV, & IUT Eng-07
Electrical
d.
Two 6 VAC buses provide distribution
from 115 VAC essential and
nonessential buses to wing navigation
and formation lights
C.
Ground power
1.
Description
Sg 2, fr 4
a.
External 28 VDC power may be
connected to aircraft for
(1) Battery charging
EXTERNAL ELECTRICAL
CONNECTIONS
(2) Ground maintenance
NOTE: Starting the GTS with external
power is PROHIBITED; aircraft circuits
not currently protected from Hi/Lo/
Incorrect power.
b.
EXTERNAL POWER RECEPTACLE
access door located on right side of
fuselage just under intake
2.
Normal operations: an external power
contactor routes external power to 28 VDC
generator bus and disables centralized
warning system (CWS) (when fuel shutoff
handle is pulled) with exception of
a.
Warning tone trigger
b.
MSTR ALERT
c.
FIRE
d.
GTS FIRE
(8-03) Original
Page 7-11
Previous Page
