Safety Symbol
Out position of a bi-stable
push switch
Caution, risk of electric shock
Caution, hot surface
Caution, refer to accompanying
documents
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Standby supply. Unit is not
completely disconnected
from ac mains when switch
is off
In position of a bi-stable push
switch
Direct current
Earth (ground) terminal
Frame or chassis terminal
Protective earth ground terminal.
Alternating current
Both direct and alternating current
Three phase alternating current
Terminal is at earth potential.
Neutral conductor on
permanently installed
equipment
Line conductor on
permanently installed equipment.
