SAFETY SYMBOLS
General Definitions of Safety Symbols Used On Equipment or In Manuals.
Instruction manual symbol: the product will be marked with
this symbol when it is necessary for the user to refer to the
instruction manual in order to protect against damage to the
instrument.
Indicates dangerous voltage (terminals fed from the interior by
voltage exceeding 1000 volts must be so marked).
Protective conductor terminal. For protection against electri-
cal shock in case of a fault. Used with field wiring terminals
to indicate the terminal which must be connected to ground
before operating equipment.
Low-noise or noiseless, clean ground (earth) terminal. Used for
a signal common, as well as providing protection against elec-
trical shock in case of fault. A terminal marked with this
symbol must be connected to ground in the manner described
in the installation (operating) manual, and before operating the
equipment.
o R
Frame or chassis terminal. A connection to the frame (chas-
sis) of the equipment which normally includes all exposed metal
structures.
Alternating current (power line).
•••• Direct current (power line).
/N/ Alternating or direct current (power line).
WARNING A WARNING denotes a hazard. It calls attention to a pro-
cedure, practice, condition or the like, which, if not correctly
performed or adhered to, could result in injury or death to
personnel.
CAUTION The CAUTION sign denotes a hazard. It calls attention to an
operating procedure, practice, condition or the like, which, if
not correctly performed or adhered to, could result in daniage
to or destruction of part or all of the product.
Note
A Note denotes important information. It calls attention to a
procedure, practice, condition or the like, which is essential to
highlight.
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