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  • BS 4218:1978

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Specification for self-luminous exit signs

    Available format(s):  Hardcopy

    Superseded date:  28-11-1986

    Language(s):  English

    Published date:  30-09-1978

    Publisher:  British Standards Institution

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    Abstract - (Show below) - (Hide below)

    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.

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    Committee PH/8
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
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