Not withstanding the diminishing number of older and un renovated premises built before the wiring rules of 1976 were adopted, the lions share of our modern homes and businesses in Australia today are supplied with either a 230 volt, 80 Amp single phase supply or a 415 volt, three phase 63 Amp supply. Compared with overseas, a disproportionately large number of Australian homes have a three phase supply connected. Overseas, this is practically unheard of
