Electrical, Pneumatic & Hydraulic Symbols

Does anyone know what standards Electrical, Pneumatic & Hydraulic Symbols are drawn to? We are having and ISO audit and they are asking?

Check out my web site for Electric Symbols for electric power BS 3939:

1985 Architectural Installation Plans Identification of Specific Conductors

(104 symbols based on this code and actual symbols used by Electrical Engineers )

Available in CADVANCE and AutoCAD Format

There is a PDF file that shows the symbols on Page

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Hope this Helps

Regards

Alan (Cadalot)

Fire Alarm, Fighting Equipment and Notices Based upon the London Fire Brigade reference form 4831 Rev 1, June 1993

See Link below

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Alan (Cadalot)