The switches are part of our daily lives, they are indispensable and fundamental for the activation of lamps or sets of lamps. There are several types of switches, each with its respective characteristic and application. In this article the World of Electrical will show the characteristics and applications of the main types of switches such as simple switch, double switch, parallel switch, intermediate switch and others. Come on guys!
What is a switch?
The function of any switch is basically to turn a specific electrical circuit on or off, allowing or not the circulation of electrical energy. Almost everyone knows the switch because it is used to control the activation of a lamp or set of lamps. Therefore, as the name suggests, the main function of the switch is to interrupt the passage of electrical energy.
Switch types – Simple switch
The simple switch between all types of switches is the one with the most simplified internal connection type, hence the name simple switch. With the simple switch it is possible to operate a single lamp or set of lamps, this type of switch contains only one section.
Switch types – Double switch
The double switch is used in environments where separate lighting is required, for example, in rooms, outdoor areas and others. In this case, it is possible to activate two lamps or a set of lamps at different times, that is, each button of the switch is responsible for switching on and off a different lamp or set of lamps since the return conductors are separated.
Switch types – Parallel switch
The three-way switch , popularly known as the parallel switch, is used to activate a lighting point from two different places, that is, it is necessary to use two parallel switches in this type of connection. The parallel switch is widely used in corridors and stairs for example.
It is very common for people to think that the connection of the three-way switch is a parallel connection, but despite the term parallel switch, it receives this definition because two cables are connected to the switch so that one cable is parallel to the other, but a circuit or parallel connection is not characterized, as these two cables do not have two points in common and the current is not divided between the cables.
Switch types – Intermediate switch
The four-way switch, also known as the intermediate switch, is a switch connected to two parallel switches being able to control a lighting point from at least three different locations. Suitable for large environments that require several points of activation for the same lamp or set of lamps, commonly used in stairs and corridors for example. The main feature is that the four-way switch is located between two three-way switches, being able to install several intermediate switches between the three-way switches.
Switch Types – Bipolar Switches
Bipolar switches can have the same characteristics as the switches mentioned above. These types of switches are used to turn on and off a lamp (s) or a set (s) of the two-phase lamp (s), usually 220V. In the case of the activation of lamps or sets of biphasic lamps in accordance with technical safety standards, it is mandatory to interrupt the two phases to avoid accidents.
Switch Types – Multiple Switches
Like the double switch, multiple switches are often used in environments where separate lighting is required. However, in this case, it is possible to activate more than two lamps or a set of lamps at different times, that is, each key on the switch is responsible for turning on and off a different lamp or set of lamps since the return conductors are also separated.