Just to be clear ..

For single phase residential loads..

Your maximum load is limited to the size of the electrical conductor supplied into your home..

The general max size is usually 2x25mm2 Aluminium Overhead cable which gives you a maximum 60A single phase..

This is also why you must not replace the 60A HRC fuse to 100A because that fuse will not blow before the cable starts to burn..

If you need more load then pull in another wire which will give you an additional 60A..

No a 3 Phase kWH meter will cost you more than double the price of a single phase kWH meter and it uses additional cable..

You only pull in another wire if you exceed the existing ..

here u go

thanks guise, additional aircond running without problem 

oh dah install ke. haha ok ignore my previous reply