Adding wiring to your design is optional. You can create circuits without wiring, as Revit maintains the intelligence associated with the circuit.
Permanent wiring can be added using one of the following methods:
You use circuit properties to specify the type of wire used in a circuit. See Circuit Properties.
Convert a circuit to permanent wiring
Select the type of wiring for the circuit
Arced wiring is often used to represent wiring that is concealed within walls, ceilings, or floors.
Chamfered wiring is often used to represent exposed wiring.
In the following example, the arc wiring connects the receptacles and chamfered wiring connects the lighting fixtures. Home runs are added automatically to indicate connection to a panel.