The NEC applies where many buildings are constructed with drywalling.
It would only take someone to say (probably with justification) that they did not intend the internal partitions to be permanent, and that they fully expected reconfiguration to take place during the life of the main structure, for an awful lot of concealed stuff to be "accessible"
It would only take someone to say (probably with justification) that they did not intend the internal partitions to be permanent, and that they fully expected reconfiguration to take place during the life of the main structure, for an awful lot of concealed stuff to be "accessible"