A manufactured wiring system is a system assembled by a manufacturer, which cannot be inspected at the building site without _____.
a) a permit
b) a manufacturer's representative present
c) damage or destruction to the assembly
d) an engineer's supervision
See answer and applicable Code reference
The correct answer is: c) damage or destruction to the assembly
The requirements in Art. 602 apply to field-installed wiring using off-site manufactured subassemblies for branch, remote-control, signaling and communication circuits in accessible areas. As noted in part of the definition section (604.2) of this Article, a manufactured wiring system contains component parts that are assembled in the process of manufacture and cannot be inspected at the building site without damage or destruction to the assembly.