Translation guide
The system of wires used to carry electricity in a building, vehicle, or device.
The network of wires installed in walls, ceilings, etc., for electricity.
The internal electrical connections in a car, appliance, or electronic device.
The process of putting wires in place.
A drawing showing electrical connections.
配線 (はいせん) covers most meanings of 'wiring' from building electrical systems to internal device connections. Context usually makes the meaning clear.
It's better to hire a professional for electrical wiring work.
この回路図はわかりにくい。
This circuit diagram is hard to understand.