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As an international standard, the official full-text PDF is a copyrighted document and typically requires a purchase. You can find the most recent version, IEC 60073:2002 , through authorized distributors: IEC Webstore iec 60073 pdf
IEC 60073: Basic and safety principles for man-machine interface, marking and identification — Coding principles for indicators and actuators The feature requires a structured database to interpret
But standards have enemies: complacency, cost-cutting, and the inertia of habit. A contractor, rushed and contract-bound, installed a cheap aftermarket panel that ignored the color rules. Its flashing amber mimicked a true-warning signal; workers paused, uncertain. For one breathless minute, hesitation allowed pressure to spike. The safety system reacted, but it was a close call—enough to galvanize change. The incident became an internal memo, then training, then policy: compliance was no longer optional. A contractor, rushed and contract-bound, installed a cheap