Q：What's the difference between a three-phase and two-phase electricity?
A：First, from the appearance, the three phase electricity is more than two phase two fire lines.Secondly, the voltage level is different, the three-phase power is 380V, and the two-phase power is 220V. In addition, the use is also different, the three-phase electricity is used in enterprises and factories, such as motor , pump, etc. Two - phase electricity is used in families, schools, hotels, etc. Such as lighting, household appliances, computer, TV, washing machine, etc.