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SAFETY SYMBOLS
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective earth (ground) terminal
Frame or chassis terminal
Terminal is at earth potential. Used for measurement and control circuits designed to be
operated with one terminal at earth potential.
Terminal for Neutral conductor on permanently installed equipment
Terminal for Line conductor on permanently installed equipment
On (supply)
Off (supply)
Standby (supply). Units with this symbol are not completely disconnected from ac mains when
this switch is off. To completely disconnect the unit from ac mains, either disconnect the power
cord or have a qualified electrician install an external switch.
In position of a bi-stable push control
Out position of a bi-stable push control
Caution, risk of electric shock
Caution, hot surface
Caution (refer to accompanying documents)
WARNING
The WARNING si
g
n denotes a hazard. It calls attention to a
p
rocedure,
p
ractice, or the like,
which, if not correctl
y
p
erformed or adhered to, could result in
p
ersonal in
j
ur
y
. Do not
p
roceed
be
y
ond a WARNING si
g
n until the indicated conditions are full
y
understood and met.
Caution
The CAUTION si
g
n denotes a hazard. It calls attention to an o
p
eratin
g
p
rocedure, or the like,
which, if not correctl
y
p
erformed or adhered to, could result in dama
g
e to or destruction of
p
art
or all of the
p
roduct. Do not
p
roceed be
y
ond a CAUTION si
g
n until the indicated conditions
are full
y
understood and met.