I looked at our watt-hour meter at our house.

It's rated as follows;

240V 15A

So means, it can only supply 240 volts and 15 amperes???

But our circuit breaker is rated as follows;

240V 30A

So means, it's rated 240 volts and 30 amperes???

What if we exceed 15 amperes? Is it OK? Or the whole electric will break? How? Because the circuit breaker rated as 30 amperes. Or the meter will stop measuring?

Eh? Would somebody explain me???

p.s. sub-meter? i heard most apartments using that. is the line seperate from each room?