
Control of circuits 9
sockets in all positions where portable apparatus is likely to be required, thus
avoiding the use of long flexible cables. Individual fixed appliances such as
hand driers and inset fires may also be connected to a ring circuit,
provided suitable fusing arrangements are used. It is not good practice to
connect a fixed 3 kW water heater on a ring circuit. An example of a ring
circuit is shown in Fig. 1.11 and its application is dealt with in Chapter 5.
Additional information on the installation of individual fixed appliances,
inclusive of cooking, unrestricted and off-peak space-heating and water-
heating appliances, is provide ...