Power is distributed from the switchboards via switch-fuses or feeder breakers at 440 volts by a three-phase three-wire unearthed main supply system.
Umbane usasazwa ukusuka kwibhokisi yokuvala nokuvula idlule iifuyuzi zokucimci nokukhanyisa okenye 1 feeder breaker ngo 440 yevolti kwifeyizi ezintathu, kumacinge amethathu kwinollela eyintloko yokunikezela enya earth wanga.