This Standard specifies essential safety requirements for portable electrical control or conditioning devices as defined in Clause 4 below, which are designed for operation at low voltage and which have a maximum operating current not exceeding 20 A.Typical examples of devices having a control or conditioning function are those which incorporate energy regulators, speed controllers, timing devices, photo-electric devices, devices actuated by sound or radiofrequency, devices actuated by signals or impulses generated remotely by manual or automatic means, movement detectors, lighting dimmers, temperature-sensitive devices, overcurrent protection devices of either the manual or automatically resetting type, voltage/frequency conditioning devices and filtering devices.Plugs complying with AS 3112, cord extension sockets complying with AS/NZS 3120, socket-outlet adaptors complying with AS/NZS 3122 and cord extension sets complying with AS 3199 (NZS/AS 3199), which incorporate control or conditioning functions are within the scope of this Standard.This Standard does not apply to the following:(a) Control or conditioning devices which are incorporated in an appliance.(b) Portable residual current (earth-leakage) devices within the scope of AS 3190.(c) Portable devices incorporating voltage transformation within the scope of AS 3108 (NZS/AS 3108).(d) Appliance connectors incorporating control facilities within the scope of AS 3109.(e) Plugs complying with AS 3112, cord-extension sockets complying with AS/NZS 3120 and socket-outlet adaptors complying with AS/NZS 3122 which incorporate indicating devices, e.g. neons, light-emitting diodes.(f) Plugs complying with AS 3112 incorporating fuses.(g) Electrical portable outlet devices complying with AS/NZS 3105.NOTE: Thermostats and energy regulators of the self-contained type but intended for independent mounting are within the scope of AS 3161 (NZS/AS 3161).