4. For the purposes of this Schedule—E+W
“kitchen” means a room or part of a room which contains a sink and food preparation facilities;
“self-contained” in relation to a fixed building service means consisting of a single appliance and any associated controls which is neither connected to, nor forms part of, any other fixed building service;
“special installation” means an electric floor or ceiling heating system, an outdoor lighting or electric power installation, an electricity generator, or an extra-low voltage lighting system which is not a pre-assembled lighting set bearing the CE marking referred to in regulation 9 of the Electrical Equipment (Safety) Regulations 1994 M1;
“special location” means a location within the limits of the relevant zones specified for a bath, a shower, a swimming or paddling pool or a hot air sauna in the Wiring Regulations, seventeenth edition, published by the Institution of Electrical Engineers and the British Standards Institution as BS 7671: 2008 M2.