Wiring Devices

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

Products include receptacle-type arc-fault circuit interrupters (AFCIs), protection devices that can detect an unintended electrical arc and disconnect the power before the arc starts a fire. AFCI technology in residential and commercial buildings is an important electrical safety device.

NEMA Members develop and maintain Standards related to wiring devices to aid in marketing.

Staff Contact: Andrei Moldoveanu

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