Emergency lighting - Code of practice for design, installation, maintenance and use of optical fibre systems Ingestion-build-59651 When work undertaken at a

When work undertaken at a height is of short duration

the conditions described in ISO 15538)

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Emergency lighting - Code of practice for design, installation, maintenance and use of optical fibre systems Ingestion-build-59651 When work undertaken at aBS 5266 4: 1999 gives recommendations and guidance on the design, installation, maintenance and use of optical fibre emergency lighting systems. It is applicable to optical fibre emergency lighting systems for escape route lighting, including open area lighting. It is also applicable to optical fibre systems used for standby lighting when the system is also used as part of the emergency escape route lighting. NOTE. This Part is to be used in