Owain,
At 230V, the current produced in a given fault condition is twice as high compared to 115V. We also use different circuit breaker (MCB) types with fast fault current trip as well as overload (thermal) trip
Most MCB's here would under a serious fault, trip on a Magnetic side of the MCB.
A far higher proportion of US house fires are electrical in origin compared to the UK.
And just what brings you to that conclusion?, can you back that up with real figures?.
Reason I say that is because, it depends upon either the OIC's report or that of the Fire Investigator, these people are over-worked and a quick assumption is more or less a certainty.
As I've said in other posts here, I'm all for honest Fire Investigations.
