Solera Home Improvements provides you with electrical wiring services in the greater metro area of San Jose, CA
Electrical Wiring – San Jose – What is a panel?
The lead article for this series on electrical wiring contains a table of contents to every article in the series.
The panel is where the electrical power from the power company stops, and the home wiring starts.
Technically this is true of the main panel only as some homes have sub-panels.
The picture on the right shows an electrical panel with the cover removed.
The most important concept is there are four buses in the panel, two of which are hot.
The busses are:
- 120V AC – phase 1 – hot
- 120V AC – phase 2 – hot
All the wiring for all the circuits in your home starts in a panel.
In fact the definition of a circuit is a set of wires that starts at a breaker and carries electricity to a point of use.
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