Safety Symbol Definitions

Symbol

Description

Symbol

Description

 

Direct current

 

Terminal for Line conductor on permanently

 

 

 

installed equipment

 

Alternating current

 

Caution, risk of electric shock

 

 

 

 

 

Both direct and alternating current

 

Caution, hot surface

 

 

 

 

 

Three-phase alternating current

 

Caution (refer to accompanying documents)

 

 

 

 

 

Earth (ground) terminal

 

In position of a bi-stable push control

 

 

 

 

 

Protective earth (ground) terminal

 

Out position of a bi-stable push control

 

(Intended for connection to external

 

 

 

protective conductor.)

 

 

 

Frame or chassis terminal

 

On (supply)

 

 

 

 

 

Terminal for Neutral conductor on

 

Off (supply)

 

permanently installed equipment

 

 

 

Terminal is at earth potential

 

Standby (supply)

 

(Used for measurement and control

 

Units with this symbol are not completely

 

circuits designed to be operated with

 

disconnected from ac mains when this switch is

 

one terminal at earth potential.)

 

off. To completely disconnect the unit from ac

 

 

 

mains, either disconnect the power cord or have

 

 

 

a qualified electrician install an external switch.

Printing History

The edition and current revision of this manual are indicated below. Reprints of this manual containing minor corrections and updates may have the same printing date. Revised editions are identified by a new printing date. A revised edition incorporates all new or corrected material since the previous printing date. Changes to the manual occurring between revisions are covered by change sheets shipped with the manual. Also, if the serial number prefix of your power supply is higher than those listed on the title page of this manual, then it may or may not include a change sheet. That is because even though the higher serial number prefix indicates a design change, the change may not affect the content of the manual.

Edition 1

April 1994

Edition 2

September, 2000

© Copyright 1993, 2000 Agilent Technologies, Inc.

This document contains proprietary information protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated into another language without the prior consent of Agilent Technologies, Inc. The information contained in this document is subject to change without notice.

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Agilent Technologies 6682A, 6684A, 6680A, 6683A, 6681A Safety Symbol Definitions, Printing History, Symbol Description