These operate at elv (extra low voltages) between 3 and 12 V. The single bell, buzzer and many models of chimes are powered by dry batteries but the more powerful chimes and intricate bell systems have to operate from mains transformers. Usually a transformer is preferable for any bell or chimes. Where an illuminated bell push is used a mains transformer is essential as the lamp of the push would exhaust a battery in a day or so. Read the rest of this entry »
Of the two principal types of cooker control unit, the type incorporating a kettle socket-outlet is the more popular. Since, however, it is important that the kettle is not used on the cooker hob where its flex would trail over a switched-on boiling plate it is better to have the unit without a socket where it has to be fixed immediately above the cooker. Read the rest of this entry »
Small table cookers and other portable appliances having individual loadings not in excess of 3 kW are run off 13 A fused plugs and socket-outlets. They require no special wiring though extra socket-outlets may be needed in the kitchen when additional electrical cooking appliances are bought. These additional socket-outlets may be served from the ring circuit and spurs.
Family-size cookers, whether free-standing or built-in split-level, need an exclusive circuit from a fuseway of appropriate current rating. Read the rest of this entry »
