Specifications for the physical feel of buttons to help operators blind-identify controls in low-light environments.
A child with a lantern approached Mara in the dream. "Why do you dress them in the same clothes?" the child asked, pointing to a dozen different devices all carrying the same 'on' symbol. "We wear them so people from every country know what to expect," an old librarian replied, dusting a set of standards. "That way a hand that flips a switch here will find the same world elsewhere."
Without this standard, a Chinese-made machine sold in Germany might use blue for "stop," leading to deadly misunderstandings. iec 60073 pdf
Assigns specific meanings to colors used in indicator lights and pushbuttons. For example, red typically indicates an emergency or danger, while green indicates a safe or normal condition.
Used to initiate normal operation, start a process, or energize a circuit. Specifications for the physical feel of buttons to
Used for mandatory resetting actions (e.g., resetting a thermal overload relay after it trips).
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Instead of a static file download, the system ingests the IEC 60073 PDF and creates an interactive experience.
There are several benefits to using the IEC 60073 PDF, including:
The standard also governs the colors of physical actuators (buttons) to prevent accidental operation: