PHILIPS EB-CI 1-2-14~28W ELECTRONIC BALLAST *Affordable , reliable , high-frequency electronic ballast for TL5 fluorescent lamps, ideal alternative to electromagnetic fluorescent system The cost-saving and reliable EB-C has energy efficiency class A2 , and its robust design meets all necessary international standards for safety and EMC ; The ballast is primarily designed for indoor application. For outdoor application, the luminaire should be minimum Classland need to be sufficiently protected against water & dust. The installation should also be guard against any lightening surge or any other necessary electrical protection as deemed in such typical installation & application.