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TM 9-254
2-4.
General Safety Items and Actions - Continued
Table 2-2. Electrical Systems and Subsystems
Safety item
Hazard
Required action
Number of personnel needed
to work on high voltage
units.
Electrical shock/burns.
Always have at least two persons
present when working on high
voltage aid or summon help
units; one to give first in case of
accident.
Working on equipment in
inclement weather.
Making electrical adjustments
in rain or snow with power
applied.
Protect yourself and equipment by
tarpaulin. Dry equipment with
hot air dryer before making
adjustments.
Unqualified personnel working
on equipment.
Personnel injury/equipment
damage.
Only
qualified
personnel
are
permitted to make adjustments
or modifications to electrical
components.
Electrical work on wet
surfaces.
Electrical shock/burns.
Under certain conditions, even low
voltages can be dangerous to
life. Make sure you always
follow the same safety rules
used for high voltages.
Attaching to ground
Electrical shock/burns.
Before
attaching
any
ground,
always make the ground end of
the connection first. When
removing grounds, disconnect
ground end of connection last.
Unknown wires
Electrical shock/burns.
Treat every wire as energized.
2-3
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