Iec 60073 Pdf [ A-Z Legit ]

(flashing) are used to attract urgent attention. IEC 60073 specifies two flashing speeds: Normal (High Priority): 84–168 flashes per minute. Slow (Low Priority): 24–48 flashes per minute. 2. Acoustic Coding

As a under IEC Guide 104, its principles are intended to be used consistently across all electrotechnical equipment to maintain a "common language" for safety. Core Coding Principles iec 60073 pdf

When visual signals are insufficient, acoustic signals provide critical alerts through pure tones, specific frequencies, or spoken messages. These are categorized by urgency and should be designed to be distinguishable from ambient factory noise. IEC 60073:2002 (flashing) are used to attract urgent attention