4 May 2010

I stayed in the office. En. Hamzah explained about safety in this unit and gave me the introduction about meter.
There are 3 types of meter:

1. OPC 1-phase - this meter is connected to any one of the 3 phases(R/Y/B)
2. OPC 3-phase - THis meter is connected to all the phases
3. LPC - this is a 3-phase meter that connected also to a current transformer and test terminal block.