Construction Coordinator Practice Exam

How far should the shrink tubing overlap the coaxial cable beyond a pin connector?

1. At least four inches after shrinking

2. At least six inches after shrinking

3. At least eight inches after shrinking

4. At least ten inches after shrinking

The correct answer is: At least eight inches after shrinking

The correct answer specifies that the shrink tubing should overlap the coaxial cable beyond a pin connector by at least eight inches after shrinking. This length is crucial for ensuring adequate protection and reliability of the electrical connection. An eight-inch overlap provides sufficient coverage to shield the connection from environmental factors such as moisture, dust, and physical damage. This length allows for a secure seal that maintains the integrity of the connection, which is particularly important in coaxial cables that are often used in RF (radio frequency) applications where signal quality is critical. By providing this level of overlap, the shrink tubing helps to prevent any potential short circuits or interference that could arise from a poorly protected connection. Furthermore, ensuring this proper overlap can also enhance the longevity of the connection and reduce the risk of failure due to mechanical stress or exposure to the elements. Thus, the specification of eight inches is based on best practices in the industry for maintaining effective and reliable coaxial cable connections.