Safety Symbols

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)

 

Equipment protected throughout by

 

 

 

double insulation or reinforced

 

 

 

insulation

 

 

 

 

 

Alternating current (AC)

 

Off (supply)

 

 

 

 

 

Both direct and alternating current

 

On (supply)

 

 

 

 

 

Three-phase alternating current

 

Caution, risk of electric shock

 

 

 

 

 

Earth (ground) terminal

 

Caution, risk of danger (refer to this

 

 

 

manual for specific Warning or Caution

 

 

 

information)

 

 

 

 

 

Protective conductor terminal

 

Caution, hot surface

 

 

 

 

 

Frame or chassis terminal

 

Out position of a bi-stable push control

 

 

 

 

 

Equipotentiality

 

In position of a bi-stable push control

 

 

 

 

U2761A User’s Guide

III

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Agilent Technologies U2761A manual Safety Symbols