Power travels from the power plant to your house through an amazing system called the power distribution grid.
![mains - What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami? - Electrical Engineering Stack Exchange mains - What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/8zoZl.jpg)
mains - What are these boxes mounted inline on each of the 3 phase wires of a high voltage power line in Miami? - Electrical Engineering Stack Exchange
If power lines are 3 phase, how does it change to a single phase before entering your main circuit panel? - Quora
![power supply - What is reason of having 3 phase in the transmission in cities? - Electrical Engineering Stack Exchange power supply - What is reason of having 3 phase in the transmission in cities? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/jMhWF.jpg)