Final answer:
For household wiring, a three-wire system with copper wires is often chosen for its safety and electrical conductivity. This system includes live/hot, neutral, and ground wires with a circuit breaker for protection. It's crucial to adhere to regional color-coding and safety standards.
Step-by-step explanation:
When choosing wiring for a house, it's essential to select a wire system that ensures safety, efficiency, and reliability. The standard three-wire system is an excellent choice for household wiring. This system includes a live/hot wire, a neutral wire, and a ground wire. The neutral wire is connected to the earth at both the voltage source and the user location, setting it to zero volts and providing an alternative return path for the current through the earth. Grounding the neutral wire and the appliance case ensures that they are safe to touch and mitigates the risk of electric shock.
The live/hot wire is responsible for supplying voltage and current to operate devices. The wire of choice inside a home is typically copper due to its excellent electrical conductivity, allowing electrons to flow freely and power devices such as music players, televisions, and computers efficiently. Moreover, the color-coding of wire insulation is a vital aspect of the wiring system. It helps identify the live/hot, neutral, and ground wires, although these color codes can vary by region. It is therefore critical to check local codes especially since the color coding may not have been followed correctly in a specific installation.
In terms of safety, a circuit breaker or fuse is installed in series with the live/hot wire to protect against thermal overload. Before choosing wires for house wiring, one must ensure they comply with regional codes and safety standards to prevent any electrical hazards.