The best way to tell if a property has a three phase supply is by looking at the electrical fuse (sometimes called electricity supply, service head, cut out). Typically a single phase will have one fuse and a three phase will have three 100amp fuses.

Electricity Supply means the provision of electrical energy by us, metering services by us through our metering services provider, and the provision of line services for the delivery of electricity by the lines company.

Single-phase and three-phase electricity are both electrical systems, each delivering a different amount of power. Single-phase electricity is the power supply most commonly found in UK homes and is usually 230-volts.

Electricity Supply means the supply of electricity from an electricity network to premises for consumption. Electricity Supply means the electricity commodity plus necessary capacity, transmission, distribution, and ancillary services provided to Program Members and Associate Members.