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This standard contains graphic symbols for representing logic functions or physical devices capable of carrying out logic functions. Descriptions of logic functions, the graphic representation of these functions, and examples of their applications are given. The symbols are represented in the context of electrical applications, but most may also be applied to nonelectrical systems (for example, pneumatic, hydraulic, or mechanical).

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The standard covers letter symbols for units of measurement. The symbols given are intended for all applications, including use in text and equations, in graphs and diagrams, and on panels, labels, and nameplates.

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This standard covers letter symbols for units of measurement. The symbols given are intended for all applications, including use in text and equations, in graphs and diagrams, and on panels, labels, and nameplates.

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