Safety Symbol - Definitions

 

 

Symbol

Description

 

 

 

 

 

 

Direct current

 

 

 

 

 

 

 

 

 

 

 

 

 

Alternating current

 

 

 

 

 

 

 

 

 

 

 

 

 

Both direct and alternating current

 

 

 

 

 

 

 

 

 

 

 

 

 

Three-phase alternating current

 

 

 

 

 

 

 

 

 

 

 

 

 

Earth (ground) terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

Protective earth (ground) terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

Frame or chassis terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal for Neutral conductor on

 

 

 

 

 

 

permanently installed equipment

 

 

 

 

 

 

Terminal is at earth potential

 

 

 

 

 

 

(Used for measurement and control

 

 

 

 

 

 

circuits designed to be operated

 

 

 

 

 

 

with one terminal at earth

 

 

 

 

 

 

potential.)

 

 

 

 

 

 

 

 

 

 

 

 

 

The WARNING sign denotes a hazard.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

It calls attention to a procedure,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

practice, or the like, which, if not

 

 

 

 

 

 

 

 

 

 

 

 

correctly performed or adhered to,

 

 

 

 

 

 

could result in personal injury. Do not

 

 

 

 

 

 

proceed beyond a WARNING sign

 

 

 

 

 

 

until the indicated conditions are fully

 

 

 

 

 

 

understood and met.

Symbol

Description

Terminal for Line conductor on permanently installed equipment

Caution, risk of electric shock

Caution, hot surface

Caution (refer to accompanying documents)

In position of a bi-stable push control

Out position of a bi-stable push control

On (unit)

Off (unit)

Standby (unit)

Units with this symbol are not completely disconnected from ac mains when this switch is off. To completely disconnect the unit from ac mains, either disconnect the power cord or have a qualified electrician install an external switch.

The CAUTION sign denotes a hazard. It calls attention to an operating procedure, or the like, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the product. Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met.

Acoustic Noise Information

Herstellerbescheinigung

Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenläminformationsverordnung vom 18 Januar 1991.

* Schalldruckpegel Lp <70 dB(A) * Am Arbeitsplatz * Normaler Betrieb * Nach EN 27779 (Typprufung).

Manufacturer’s Declaration

This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January 1991.

* Sound Pressure Lp <70 dB(A) *At Operator Position * Normal Operation * According to EN 27779 (Type Test).

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Agilent Technologies E4356A manual Safety Symbol Definitions, Acoustic Noise Information, Symbol Description