[updated:LAST EDITED ON Aug-01-03 AT 02:09 PM (GMT)]我要做一個assignment呀,係關於Electrical Services!!!
Topic :Inspection,Testing and Certification ~Procedures and requirements of insulation resistance,polarity,and earth loop impedance tests ~Continuity tests of protective conductors and 13A ring sockets ~Test of the residual current devices(RCDS) ~Work completion certificate WR1 and WR1A ~periodic test on installation and test certificate WR2