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Commercial

3 Phase Service Installation

What is electrical single and three phase really means?

Single and three phase are related to the amount of wires that there are on site . Single phase is the same as your house at home, where each electrical 'wire' in fact carries three wires within it: live, neutral and earth. Three phase has five: three live wires, one neutral and one earth. The point of having three wires is to reduce the amount of amps needed to power the equipment you use.