Safety Symbols - Agilent Technologies U1241B User's And Service Manual

Safety Symbols

U1241B/U1242B User's and 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.
Direct current (DC)
Alternating current (AC)
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
Equipment protected throughout by
double insulation or reinforced
insulation.
Off (supply)
On (supply)
Caution, risk of electric shock.
Caution, risk of danger (refer to this
manual for specific Warning or
Caution information).
Caution, hot surface.
Out position of a bi-stable push
control.
In position of a bi-stable push
control.
CAT III
Category III 1000 V Overvoltage
Protection
1000 V
CAT IV Category IV 600 V Overvoltage
Protection
600 V
III