North Carolina Building Contractor License Practice Exam

How far do you lap Durawire in construction?

1. 3 feet

2. 6 feet

3. Confined

4. 10 feet

The correct answer is: Confined

In construction, particularly when working with Durawire or similar materials, the concept of "lapping" refers to the overlap of two pieces of wire to ensure a strong and continuous electrical connection while minimizing potential weak points. The term "confined" indicates that the lapping must be done in a manner that maintains structural integrity within specific safety parameters or confined spaces. When it comes to lapping Durawire, the goal is to ensure maximum reliability and efficiency. The specifics of how the wire should be lapped and secured depend largely on the application requirements and local building codes. In many contexts, "confined" suggests that the lapping should not have a predetermined length but should be done in a secure, confined manner that meets regulatory standards. This choice emphasizes the importance of appropriate practices over arbitrary measurements, aligning with industry standards focused on safety and compliance rather than specifying a fixed distance like 3, 6, or 10 feet. By using the term "confined," it is implied that the lapping should be performed with careful consideration of the surrounding environment and the functional requirements of the installation.