# How to install a parallel switch? Do it yourself!

Do you know how to install a parallel switch? We will teach you how to install a parallel switch step by step in a simple way, we will show a connection diagram of a parallel switch, in addition to explaining what a parallel connection is and where a parallel connection can be used, come on guys!

### Parallel connection, what is it?

The parallel connection is composed of two or more charges, such as the installation equipment, which have two points in common, making the flow of electric current separate proportionally for each load, according to the value of its “resistance” internal. Another example of parallel connection is the lamps when they are activated at the same time, because they have their two connection points in common.

### What is the parallel switch?

The three-way switch, also known as a parallel switch, is used to trigger a lighting point through two different places, which is widely used in corridors and stairs. However, it is common for people to think that the connection of the three-way switch is a parallel connection. In reality, it receives this definition because two cables are connected to the switch so that it is parallel to the other.

### Where can I use a parallel connection?

One of the main characteristics of a parallel circuit is that the current and electrical voltage in the circuit will behave differently.

In the case of electrical voltage, it will always be the same for all loads on the parallel circuit, that is, the same voltage delivered by the source. Unlike electrical voltage, the current will be different for each load, as it will be according to its internal “resistance”.

Where this type of connection is applied are industrial and residential electrical installations, where all sockets and lamps are connected in parallel, in addition to distribution networks, electrical and electronic equipment.

### Parallel switch connection, step by step.

Safety measures must be taken before starting the installation! Turn off the circuit breaker in the QDC, if there is no circuit distribution board, turn off the circuit breaker directly from the meter.

After the circuit breaker has been turned off, make sure that there is no power circulating in the cables to be handled and that the circuit is not accidentally turned on while the installation is being carried out.

#### To connect the switch, you need:

Two three-way switches also called a parallel switch; Cables, preferably with different colors, to differentiate phase, neutral, return cables that will be connected in parallel, avoiding problems during the execution of the project and in future maintenance; Wire guide, receptacle; lamp and electrical tape.

### Diagram for connecting lamps in parallel.

First step: we must connect the neutral wire directly to the terminal that continues on the side of the receptacle, we recommend that the neutral is connected in this way to minimize the possibility of suffering an electric shock by simply changing the lamp.

Step 1: Connect the neutral cable to the receptacle.

The second step is to connect the phase cable to the central terminal of switch 1.

Step 2: connect the phase cable to switch 1.

Third step: connect cable 1 to the upper terminal of switch 1 and the other end of the cable to the upper terminal of switch 2.

Step 3: Connect cable 1 to the switches.

Fourth step: Do the same as before, making cable 1 and 2 parallel, but connecting cable 2 to the lower terminal of switch 1 and the other end of the cable to the lower terminal of switch 2.

Step 4: Connect cable 2 to the switches.

Fifth step: just connect the return cable to the central terminal of switch 2 and the other end of the cable to the central terminal of the receptacle.

Step 5: connection of the return cable

Before turning on the circuit breaker, check the installation, to see if in the middle of the execution nothing wrong was connected. After energizing the circuit, check that the lamp voltage is the same as that present in the receptacle.