The AC power supply to your home is supplying through a variety of connections:
- 2-wire: Single-phase connection
- 3- or 4-wire: Three-phase connection
Every type of relationship has its advantages. It is easy to balance the electrical load of the network with a single-phase system. On the other hand, it is best suited for use in a building that has a three-phase connection, an elevator that requires powerful machinery (the premises of a self-employed contractor) or a three-phase system. In fact, it can carry three times as much power.
Single phase connection
There are three wires located inside the single-phase wire insulation. Two wires and one neutral wire provide power. Each heating wire supplies 120 volts of electricity. That has removed from the neutral transformer. Most water heaters, stoves and dryers require 240 volts to operate, so there is a two-phase circuit. These circuits are fed by both heating wires, but this is a complete phase circuit from single-phase wires. Every other device is powered by 120 volts and uses one hot wire and one neutral. The type of circuit that uses hot and neutral wires is commonly referred to as a split-phase circuit. The single-phase connection includes with two hot wires surrounded by black and red insulation, the neutral always white and the green ground wire.
Single Phase wiring
This is the most common wiring in residential buildings. In single-phase supply (230V in the UK, 120V in the US and Canada) and there are 2 (aeon line (live) and the other neutral) cables from the utility pole to the power meter. Also then directly it connects to the main distribution board (customer unit). It is from utility pole to single phase power meter and single phase distribution board. Also then connect the single phase loads in single phase wiring. System of household power supply system.