Safety Symbols - Agilent Technologies U1231A Service Manual

Safety Symbols

U1231A/U1232A/U1233A Service Guide
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
DC (Direct current or voltage)
AC (Alternating current or voltage)
Earth (ground) terminal
Caution, risk of danger (refer to this manual for specific Warning
or Caution information)
Equipment protected throughout by
double insulation or reinforced
insulation
CAT III
Category III 600 V overvoltage protection
600 V
III