Advertisement
SAFETY SYMBOLS
General Definitions of Safety Symbols Used On Equipment or In Manuals.
A
Instruction
manu,al symbol: the product will be marked with this
symbol when it is necessary for lhe user to refer to the instruction
manual in order to protect against damage to the instrument.
t
Indicates dangerous voltage (terminals fed from the interior
by
voltage exceeding 1000 volts must be so marked).
0
Protective conductor
terminal.
For protection
against electrical
+
OR &
shock in case of a fault. Used with field wiring terminals to in-
dicate the terminal
which must be conn@ed
to ground
before
operating equipment.
Low noise or noiseless, clean ground (earth) terminal.
Used for a
@
..-,
vgnal common,
as well as providing
protection
against electrical
shock m case of a 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.
Frame or chassis wrminal.
A connection to the frame (chassis) of
/$7
OR 1
t,rcs.
the equtpment
which normally includes all exposed metal strut-
r,
Altcmating
current (power line),
---
Direct current (power line).
=s
Alternating
or direct current (power line),
The WARNING
sign denotes a hazard. It calls attention
to a pro-
cedure, practice, condition or the like, which, if not correctly per-
formed or adhered to, could result in injury or death to personnel.
The CAUTION
sign denotes a hazard. It calls attention
to an
m
operating procedure.
practice, condition
or the like, which,if
not
correctly performed
or adhered to. could result in damage to or
dest,ruct;on of part or all of the product.
NOTE:
The NOTE sign denotes important
information.
It calls attention
to procedure, practice, condition or the like. which is essential to
highlight.
Advertisement
