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Question:

in residential or multi-family electrical wiring what?

in residential or multi-family electrical wiring what?

Answer:

The wire connecting the electric panel with the first device it comes to is the home run of an individual circuit. A few more: Branch circuit: all the circuits coming off your electrical panel that go to devices that use electricity. Outlets - such as switches and receptacles and fixtures. Feeder: wires that run to another electrical panel or fused disconnect. Like your garage panel or sub panel. Ampacity: current carrying capacity of a given size wire at a given temperature rating of the insulation. Switch leg: the wire between the switch and the fixture. Can be a white hot wire. Single phase 240/120, center tapped transformer. The power coming into your home. 220 and 110 are very old, outdated terms that give away the untrained so called electricians on this board. Hope that helps.
Home run means it goes straight back to the panel. I have done some wiring in my house and I try to do it all with home-runs. Its far simpler and you have fewer chances to screw up. For example, you want a new receptacle on your patio. You run a wire from the panel straight to the receptacle. No boxes or splits. That is a home-run.
Homerun okorder
No, Call the city inspector. But that might get ya kicked out when he gets his hand slapped.

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