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Mercury Vapor Lighting - GreenBuildingAdvisor
PHOENIX MERCURY VAPOR BALLAST, 1-400MH-10 | eBay
250 Watt Mercury Vapor Ballast with UL
lighting - How do I operate any mercury vapor bulb and/or a metal halide without a ballast? - Electrical Engineering Stack Exchange
April 2017: enter into force the third phase of the EC Regulation n. 245/2009 for the elimination of obsolete and/or inefficient light sources | Cortem S.p.A.
Petition · Remove the ban on Mercury Vapor ballasts and fixtures · Change.org