What is the maximum pulling tension in pounds allowed for copper wire?

The correct answer is based on the standard guidelines established for the maximum pulling tension of copper wire, which is essential in ensuring the integrity and performance of the wire when installed. The specified maximum pulling tension is defined as 0.008 times the circular mil area of the wire.

This figure is derived from industry practices and safety standards that have been put in place to prevent damage to the wire insulation and to avoid over-stressing the conductor itself. Exceeding this recommended tension can lead to various issues such as reduced conductivity, increased risk of insulation damage, and potential failure of the wire in service.

Understanding this concept is crucial for contractors working with low voltage communication systems, as it helps maintain safe and effective installations while adhering to regulations. By following this guideline, contractors can ensure that their installations are both safe and reliable over time.