Wiring devices are current-carrying electrical or electronic products that serve primarily as a connection or control point for electrical circuits within a range of 0–400 amperes, 0–600 volts (AC and DC), and AC/DC (660 watts, 1,000 volts AC fluorescent) as well as certain non-current-carrying wiring devices and supplies.

Wiring devices include:

-Convenience plugs and power outlets (plugs and receptacles)
-Connector bodies and flanged outlets
-Cover plates
-General-use switches and dimmers
-Lampholders (incandescent, fluorescent, cold cathode, neon, quartz lamps, and others)
-Lighting control devices
-Motion sensing and timer switches
-Receptacles
-Switch, outlet, FM/TV, blank, and telephone plates
-Undercarpet premise wiring systems