Memorandum Circular (MC) No. 22, Series of 2009

BPS Memorandum Circular No. 22 Series of 2009, Implementing Guidelines for the Mandatory Certification of A.C. Supplied Electronic Ballasts for Tubular Fluorescent Lamps covered by PNS IEC 61347-1:2002 "Lamp Control Gear-Part 1: General and safety requirements" and PNS IEC 61347-2-3:2002 with Amd. 1:2006 "A.C. Supplied electronic ballasts for fluorescent lamps - Part 2: Particular requirements for AC supplied ballast for fluorescent lamps"