Survey on the actual condition of electric lights in the non-living space

Miwako Tokura; Yasuhiro Miki; Yoshiaki Uetani; Hirotaka Suzuki; Hideo Asada; Wataru Iwai

doi:10.11515/ieijac.37.0.42.0

Proceedings of 2004 Annual Conference of The Illuminating Engineering Institute of Japan

Session ID : 42

DOI https://doi.org/10.11515/ieijac.37.0.42.0

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Host: The Illuminating Engineering Institute of Japan

Survey on the actual condition of electric lights in the non-living space

*Miwako Tokura, Yasuhiro Miki, Yoshiaki Uetani, Hirotaka Suzuki, Hideo Asada, Wataru Iwai

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Abstract

Using of electric lights in the day as well as night. We turn on the electric lights when we do not get enough daylight. If we get enough daylight, the consumption of electric power may be decrease. But the actual condition of electric lights is not clear. We survey on the actual condition of electric lights in the non-living space using a questionnaire. As a result, using of electric lights in the day is many in the non-living spaces of apartment buildings in comparison with detached houses.

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