When compared to copper, aluminum conductors are generally:

When compared to copper, aluminum conductors are generally:

• A. Better conductors
• B. Less durable
• C. More costly
• D. Heavier

Answer: (B)

Aluminum conductors, when compared to copper, are indeed considered less durable. This is primarily due to aluminum's susceptibility to oxidation, which can lead to increased resistance and potential overheating if not properly maintained. Furthermore, aluminum has a lower tensile strength than copper, which means it can be more prone to physical damage during installation and over time.

While aluminum is lighter and generally less expensive than copper, these aspects do not outweigh the concerns regarding durability. Copper conductors, on the other hand, are known for their excellent conductivity, durability, and resistance to corrosion, making them a preferred choice in many applications where longevity and reliability are critical.