Electrical Code…
A general term, including fittings, devices, appliances, luminaires, apparatus, machinery, and the like used as a part of, or in connection with, an electrical installation.
(National Electrical Code® 100-1)
Mechanical Code…
A general term including materials, fittings, devices, appliances, and apparatus used as part of or in connection with installations regulated by this code.
(Uniform Mechanical Code® 207.0)