Technical data

IV U3402A User’s and Service 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) Caution, risk of electric shock
Alternating current (AC) Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Both direct and alternating current Out position of a bi-stable push control
Earth (ground) terminal In position of a bi-stable push control
Protective conductor terminal Frame or chassis terminal
IEC Measurement Category II. Inputs may
be connected to mains (up to 300 VAC)
under Category II overvoltage conditions.
CAT II
300 V