Emergency Light Testing & Inspecting

General Information

What is required in the way of certification and log book?
On completing the installation of an emergency lighting system, or part of it, or of a major alteration to an existing installation, an emergency lighting completion certificate should be supplied to the occupier/owner of the premises. A copy of this certificate would be required by the enforcing authority.
On completion of a three-yearly inspection and test schedule an emergency lighting periodic inspection and test certificate should be issued to the occupier/owner of the premises. This certificate should be supplied at intervals of no more than 3 years or on the completion of a major alteration or addition to an existing installation, or at such other times as required by the enforcing authority. A copy of this certificate may be required by the enforcing authority.

A log book should be kept on the premises in the care of a responsible person appointed by the occupier/owner and should be readily available for examination by any authorized person. The log book should be used to record the following information

a) Date of any completion certificate.
b) Date of each periodic inspection and test certificate.
c) Date and brief details of each service, inspection or test carried out.
d) Date and brief details of any defects and of remedial action taken.
e) Date and brief details of any alterations to the emergency lighting.

What is maintained and non-maintained emergency lighting?
Maintained emergency lighting is a system in which all emergency lamps are in operation at all times but can be turned on and off.
Non-maintained emergency lighting is a system in which all emergency lighting lamps are in operation only when the supply to the normal lighting or local and sub circuit fails.

What are the categories of emergency lighting?
Any emergency lighting system may be designed to supply the required light levels for any desired time. However, for most applications, it is considered that a duration of between 1 and 3 hours should meet all normal requirements. In the Code of Practice BS5266 emergency lighting systems are categorised by the prefix 'NM' for non-maintained systems, or 'M' for maintained systems followed by a '/' and the number of hours duration claimed for the installation eg M/1 is a maintained 1 hour duration system.

Which category of system should be adopted?
The type and category of system to be used is dependent upon the size and function of the premises. For many types of premises, there are statutory requirements relating to emergency lighting, and it is important that the appropriate authority is consulted. However, for most applications it is considered that a duration of between 1 hour and 3 hours should meet all normal requirements.

A maintained mode of operation should always be used in premises where the normal lighting can be dimmed or reduced below levels required for escape route identification and illumination, while the premises are occupied. Also maintained fittings should be used in places open to the general public ie licensed premises where alcohol is served. In all other premises, a non-maintained mode of operation may be suitable.length of offer, and packages including this product.

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