This diagram compares a main panel as i have diagrammed it so far with how a typical panel is. In a new home construction or a rewiring project the last step will be connecting all the wires to the circuit breaker box which is what this article describes.

Your Home Electrical System Explained
Home electrical panel diagram. This overview assumes that the electrical panel is installed on the wall of a utility area near where the main feeder wires come into the home and that all branch circuit wiring cables and conduit runs are already installed. Take some of the mystery out of those wires and switches that lurk behind the door of your breaker box with this. Home wiring diagrams from an actual set of plans. Your home electrical system. Once the electrical project is completed the diagram will be useful for testing and troubleshooting the circuit. Electricity flows to your lights and appliances from the power company through your panel its breakers out on your circuits and back.
Here is a schematic picture of all the major parts of your home electrical system. You will want to refer to it often as you work on your project. Any electrical repair in your home involves turning off the power to the circuit youll be working on and you do this at the main electrical service panelyou may know the service panel as the breaker box while in the trade its officially called a load centerthe main service panel is like the switchboard for all the electricity in the home. Keep your diagram nearby. This electrical wiring project is a two story home with a split electrical service which gives the owner the ability to install a private electrical utility meter and charge a renter for their electrical usage. This is why a good diagram is important for wiring your home accurately and according to electrical codes.
Wiring a breaker box is a highly technical skillknowing how it operates isnt.