A single-phase supply will have one fuse, while a three-phase electricity supply will have three 100-amp fuses. Here is an overview of the typical domestic installations: Three-pin plug ...

Then comes the moment to plug it in ... mainly because three-phase electric motors are so much more efficient and compact than the equivalent single-phase motor. But residential electrical ...

This FAQ will look at the advantages and attributes of three-phase AC, also called multiphase or polyphase AC.