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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク U.S. Lighting Energy Policy ： ウィキペディア英語版 U.S. Lighting Energy Policy United States Lighting Energy Policy is moving towards increased efficiency in order to lower green house gas emissions and energy use. Lighting efficiency improvements in the United States can be seen through different standards and acts. The Energy Independence and Security Act of 2007 laid out changes in lighting legislation for the United States. This set up performance standards and the phase out of incandescent lighting in order to require the use of more efficient fluorescent lighting. EISA 2007 is an effort to increase lighting efficiency by 25-30%. Opposition to EISA 2007 is demonstrated by the Better Use of Light Bulbs Act and the Light Bulb Freedom of Choice Act. The efforts to increase lighting efficiency are also demonstrated by the Energy Star program and the increase efficiency goals by 2011 and 2013. == Incandescent light bulbs == incandescent lighting is the most common type used in homes, delivering about 85% of household illumination.〔(【引用サイトリンク】title=Incandescent Lighting )〕 To produce light, incandescent light bulbs convert electricity to heat, heating a filament to the point where it glows; a portion of the heat is thus converted to light. The conversion of heat to light requires a filament to be heated to high temperature, typically > 3000 K.〔(http://hypertextbook.com/facts/1999/AlexanderEng.shtml )〕 Incandescent lamps have a low luminous efficacy, 10-22 lumens per watt, a short average operating life, 750–2500 hours, and a relatively low purchase cost. The three most common types of incandescent lamps are standard incandescent lamps, tungsten halogen lamps, and reflector lamps. Standard incandescent lamps have an efficacy of 10-17 lumens per watts and a lifetime of 750–2500 hours. Tungsten halogen lamps have an efficacy of 12-22 lumens per watts and a lifetime of 2000–4000 hours. Finally reflector lamps have an efficacy of 12-19 lumens per watts and a lifetime of 2000–3000 hours.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「U.S. Lighting Energy Policy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.