An electrician is trying to decide which kind of metal to use to wire a house

. The electrician can choose between copper and aluminum wiring for the house. Copper wiring is the traditional choice for residential wiring because it is a good conductor of electricity, flexible, and easy to work with. It is also resistant to corrosion and has a long lifespan. However, copper wiring can be more expensive than aluminum wiring.

On the other hand, aluminum wiring is lightweight and less expensive than copper. It is also a good conductor of electricity, but it is not as good as copper. Aluminum wiring is more prone to oxidation, which can cause it to become brittle and break over time. This can lead to potential fire hazards.

Ultimately, the electrician should weigh the cost and benefits of each type of wiring and consider factors such as the size of the house, the budget for the wiring project, and the potential for future maintenance. It is recommended to consult with a professional electrician to determine the best type of wiring for the house.