Our Voltimum Experts answer your questions on a daily basis in our Technical Expertise area. This Question of the Day, on lamps and light sources - Part L requirements for energy efficient luminaires, is answered by Philips Lighting:
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| A Philips CFL - helps meet Part L Requirements. |
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Question: In terms of Part L of the Building Regulations - "The efficacy target of greater than 40 lumens / circuit-watt remains. However, guidance is given on determining the number of lighting points by the area of dwelling floor area, rather than by the number of rooms. One energy efficient fitting / 25m2 and one / four fixed light fittings is now required."
Does this mean that if I use compact fluorescent lamps in all my fittings, that I will comply, or do I have to use 'energy efficient' luminaires?
Answer: Compact fluorescent fittings are energy efficient sources that will produce more than 40 lumens/W. If you have one of these luminaires for each 25m2 you will be meeting the requirements. As long as the luminaire that you choose does not contain either ES or BC lamps, then the luminaire will comply. Voltimum UK Managing Editor James Hunt adds: Note that Part L of the Building Regulations is crrently being revised, and some requirements will change, with new ones also being added. Therefore, this answer may possibly be out of date sometime in 2010 when the revised Part L is expected to come into effect.
To see many more Q & A in Voltimum UK's Experts Area, please click on the link: www.voltimum.co.uk/consult.php?universe=consult.index.questions
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