NZS 4231:1985
Date published:
Specification for self-luminous exit signs
(=BS 4218:1978) Self-energized signs for luminosity requiring no external source of power, for mounting in theatres, cinemas, etc. Specifies energy source, lettering sizes, level and uniformity of luminance, and tests for impact, temperature, vibration and pressure. Referenced in BIA Approved Document F8.
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NZS 4231:1985
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