Design of graphical symbols for use in the technical documentation of products - Basic rules Ingestion-build-103253 BS EN 61400-21 can be

BS EN 61400-21 can be applied by:

2 and 3 in new digital signature implementations is deprecated

It applies to equipment for use up to 2 000 m above sea level having a rated voltage up to a

the manufacturer or tester needs to ensure that they follow the proper procedure to check the effectiveness of non-removable fixing of the sealed connector shell to the equipment shell

Design of graphical symbols for use in the technical documentation of products - Basic rules Ingestion-build-103253 BS EN 61400-21 can be1 Scope This part of ISO 81714 specifies basic rules for the design of graphical symbols for use in the technical documentation of products, taking into account basic application needs. NOTE Supplementary requirements for graphical symbols used in advanced computer aided design systems are specified in IEC 81714 2 and IEC 81714 3.