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HEWLETT
PACKARD
✓
SAFETY SYMBOLS
General Definitions of Safety Symbols Used On Equipment or In Manuals.
A
Ai
OR
-i-
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 eiectricai 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 electrical
shock in 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 terminal. A connection to the frame (chassis) of the
equipment which normally includes all exposed metal structures.
Alternating current (power line.)
Direct current (power line.)
Alternating or direct current (power line.)
Warning
0
The VVARNING sign denotes a hazard. It calls attention to a procedure,
practice, condition or the like, which If not correctly performed or adhered
to, could result in injury or death to personnel.
Caution
e
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 damage to or destruction of part or ail of the product.
Note
4
The NOTE sign denotes important information. It calls attention to procedure,
practice, condition or the like, which is essential to highlight.
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