A circuit diagram helps electrical engineers know what ... This is not a circuit diagram. The symbols used are an international standard which means a circuit diagram can be sent to any country ...

This means, for example, that when a user moves designs from one process design kit to another, it may be necessary to correct the wiring in every circuit because of vendor-specific symbol footprints.

NEMA, the National Electrical Manufacturers Association, Rosslyn, Va., recently released ICS 19-2002, Industrial Controls and Systems: Diagrams, Device Designations ...