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PILOT'S
OPER,ATING
HANDBOOK
SUPPLEMENT
6
GROUND SERVICE PLUG
RECEPTACLE
MODEL
172N
The ground service
plug
receptacle
circuit
incorporates a polarity
reversal protection.
Power
from
the
external
power
source
will
flow only
if
the
ground
service
plug
is
correctly
connected to the
airplane. If
the
plug is
accidentally
connected
backwards, no power
will
flow to
the electrical
system, thereby preventing any
damage
to electrical equipment.
SECTION
5
PERFORMANCE
There
is
no
change
to the airplane performance when the
ground
service plug receptacle is installed.
1
July
1979
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