BS 5266-4:1999 – Emergency lighting. Code of practice for design, installation, maintenance and use of optical fibre systems Interior lighting , FIRE, ACCIDENT & CRIME PROTECTION Module (GBM08), British Standards, IHS

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DOCUMENT

BS 5266-4:1999

Emergency lighting. Code of practice for design, installation, maintenance and use of optical fibre systems

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Summary:
British Standard 5266-4 (BS 5266-4) details recommendations for the design, installation, maintenance and use of optical fibre emergency lighting systems and is applicable to optical fibre emergency lighting systems intended for use as escape route lighting, including open area lighting. In addition, it is also applicable to optical fibre systems used for standby lighting when the system is part of the emergency escape route lighting. Terms and definitions discussed include cladding, core, connectors, Fresnel reflection, index matching substance, lightguide, light source, light transmittance loss, fibre attenuation loss, coupling loss, numerical aperture, optical fibre, optical fibre system and refractive index.

Keywords:
light source, central battery, mounting arrangement, fault indicator, Emission ends, emergency lighting systems, low fire risk, Optical budget, Optical fibre systems, fire compartment

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