What is required for conductors 8 AWG and larger when installed?

Study for the Construction Wiring 2 Exam. Explore multiple choice questions with detailed explanations and hints. Strengthen your knowledge and skills to excel in the test!

Conductors that are 8 AWG and larger have specific physical characteristics to ensure safety and efficiency in electrical installations. In this case, stranded conductors are widely used because they offer several advantages over solid conductors, particularly for larger gauge wires.

Stranded conductors are composed of many small wires woven together, which provides greater flexibility compared to solid conductors. This flexibility is essential in applications where the conductor must be bent or moved frequently, such as in installations where vibration or motion may occur. Additionally, stranded conductors have better resistance to fatigue and can handle thermal expansion more effectively.

The choice of stranded conductors also promotes better performance in terms of electrical resistance, as the surface area of the strands allows for better current distribution. This can help reduce the risk of overheating and improve overall system efficiency.

Other choices have specific uses or benefits, but they do not meet the specific requirements for conductors 8 AWG and larger as effectively as stranded conductors. For example, while solid conductors are often used for smaller sizes or in applications where rigidity is beneficial, they lack the flexibility needed for larger conductors in dynamic environments. Plastic-coated conductors might be relevant in specific types of installations, but they do not address the need for the flexibility and

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