vi N1913/1914A Installation Guide
Safety Symbols
The following symbol on the instrument and in the documentation
indicates precautions that must be taken to maintain safe operation of the
instrument.
Direct current (DC) Off (supply)
Alternating current (AC) On (supply)
Both direct and alternating current Caution, risk of eletric shock
Three-phase alternating current Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Earth (ground) terminal Caution, hot surface
Protective conductor terminal Out position of a bi-stable push control
Frame or chassis terminal In position of a bi-stable push control
Equipotentiality This symbol indicates that a device, or
part of a device, may be susceptible to
electrostatic discharges (ESD) which can
result in damage to the product.
Observe ESD precautions given on the
product, or its user documentation, when
handling equipment bearing this mark.
Equipment protected throughout by
double insulation or reinforced
insulation
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