FAQ's What is a portable appliance? It is any kind of electrical equipment which derives its power via a flexible cable and/or plug top. They may be 415 volts and/or below, irrespective of age. As a general rule any appliance with a plug on. The most common being: • 13a plug top • 110v (yellow) • 230v (blue) • 415v (red) • 3 phase equipment is 415v Examples of these are: Kettles, heaters, printers, extension leads, photocopiers, drills, welders, desktop computers etc.   FAQ's Page 1 | Page 2