✔ 最佳答案
EMSD only recommends illuminance in offices, but not for homes. The Chartered Institute of Building Services Engineers (CIBSE) of the UK, in its Code for Lighting Part 2 (2002), recommends the following illuminances for residential places:
Lounge 100 - 300 lux
Kitchen 150 - 300 lux
Bathroom 150 lux
Toilet 100 lux
You may refer to the following web-page for details:
http://www.arca53.dsl.pipex.com/index_files/lightlevel.htm