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BSI BS 4218:1978

Specification for self-luminous exit signs
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BSI BS 4218:1978

Specification for self-luminous exit signs

PUBLISH DATE 1978
BSI BS 4218:1978

SPECIFICATION FOR SELF-LUMINOUS MATERIALS

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.

SDO BSI: British Standards Institution
Document Number 4218
Publication Date Sept. 30, 1978
Language en - English
Page Count
Revision Level
Supercedes
Committee PH/8
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