All versions (soft bound, spiral bound, tabs) are currently available at all Werner Electric branches.
Soft Cover Spiral Bound
The NEC Code Book covers the latest requirements on electrical wiring and equipment installation issues, including minimum provisions for the use of connections, voltage markings, conductors, and cables. Chapters address specific circumstances surrounding special occupancies and industrial equipment and machines. It also contains specific details on the safe installation and use of communications and signaling conductors.