Thinking of replacing a light switch at home and not sure which type to buy? There are a number of different types of flush fitting wall plate switches commonly used in homes today. The most obvious difference between switch wall plates might be the number of “gangs” or actual rocker switches the wall plate has. A 1-gang wall plate will have just one rocker switch, while a 2-gang wall plate will have 2 rocker switches, and so on. The number of gangs a wall plate has is not the only difference however. Besides the number of gangs a switch has, it can also have a number of “ways”. A one-way light switch is the most common type of switch and is when a light is controlled from a single switch. A 2-way switch can be used to operated a light in combination with another 2-way switch in another location. A classic application for this type of switch is on a staircase where the light can be switched on at the bottom using one 2-way switch and then switched off at the top using another 2-way switch connected to the same light. Most of the light switches we sell are 2-way switches which gives you the option of using this function if you need to. Two-way switches can be used as one-way switches with one terminal left unused. For permanently installed appliances such as cookers and washing machines it is much neater to hard-wire them into a fused connection unit than to leave a visible plug and socket on the wall. A fused connection unit (FCU), otherwise known as a fused spur, is an alternative to plug. As the name suggests, it contains and plug and is a good way to isolate an appliance from the mains at the flick of a switch. For appliances with a high power demand or when electrical safety regulations require that both the live and neutral phases of the power supply are broken when switched, we also sell a double-pole switch. A 2-pole switch often has a neon power indicator lamp on it to show when it is on. 2-pole switches are commonly used as isolation switches next to electric cookers and electric showers.