... covers, electronic ballasts separated, and upper plastic covers welded with metal caps both in B22 and also E27. 3, Separated ... made up glass tubes, electronic ballasts, plastic covers and metal caps all in separated forms. 4, Energy saving lamp related ... components, such as fuse , fusiable resistor, wire connected with fuse , diode 1N4007 1N5398 1N5399 ,1N5408 ,,transistor like MJE13001 ...