AS/NZS 5000.1 daidaitattun igiyoyi tare da rage ƙasa don amfani a cikin mains, sub-mains da sub-circuits inda aka rufe a cikin magudanar ruwa, binne kai tsaye ko a cikin bututun ƙasa don gine-gine da tsire-tsire masana'antu inda ba a lalata injiniyoyi.