When do i need 3 phase power

These are used in many country areas. Single wire, earth return SWER delivers single phase power. If three-phase motors have to be used, a single-phase to three-phase power converter has to be installed by the electricity consumer. Search form Search. Single phase vs three phase Tags:. Three phase power allows for greater electrical loads. When do I need an electrician?

Cable types. Most houses would generally have single-phase power. If your property is drawing a lot of power, three-phase power would be installed to avoid power fluctuation.

Single phase circuit breaker Three phase circuit breaker. As mentioned above three phase power is only needed in large homes with multiple electrical appliances. You need three phase if you have the following:. If you are trying to run these machines or devices off single phase power, the circuit breaker will continue to switch itself off as there is not enough power supply to meet the demand.

The power supply comes to the house through wires from the power lines on the street. But you may need it for your home if you have a big air-conditioning system, large electric cooktop, powerful instantaneous electric hot water system or a home workshop with machinery. Upgrading to 3 phase power will mean you can safely run all your appliances simultaneously without worrying about them tripping the circuits.

Have a look at your main switch in your switchboard. If it is 1 pole wide about 1 finger width , then your electricity supply is single phase. Our qualified electricians will be able to help you through the entire process, and will submit all the paperwork to the electricity distributor on your behalf. As your local electrician in eastern Melbourne, we promise friendly, professional customer service. On the job and after, you're safe with us.