A variation (standard DK 2-5a) of the Danish plug is for use only on surge protected computer sockets. It fits into the corresponding computer socket and the normal socket, but normal plugs deliberately don't fit into the special computer socket. The plug is often used in companies, but rarely in private homes. All models and brands of IS 302 (Part-1) 2008 are required to get BIS Registration before its launch or import to the Indian consumer market. BIS Registration will be given to manufacturer only (not to dealer/trader or distributor) whether manufacturer is in India or in abroad does not matter. Team AlephINDIA is committed to providing you the best quality services for all kind of technical certifications and testing equipment. For more details please visit www.alephindia.in. AlephIndiaqms: A single window for all kind of technical certifications and testing equipment. BIS, WPC, ETA, TAC, BEE, CE, UL, Ewaste, FMCS, CPCB, CARE, ISIMark, Hallmark.