How do one-way and two-way switches differ?

Switches are used to make or break an electric circuit manually or automatically. Switches work on ON/OFF mechanism. The most common switches are the ones we use to turn on and off out lights and fans. But many electronic appliances use switches too to control their operations.
Many types of modular switches are available in the market based on their functions, built, styles, colors, etc. But we are more accustomed to the one-way and two-way switches. But how are they different? Here are the differences between these two commonly used modular switches.

Understanding the one-way and two-way modular switches

The types of switches depend on the circuit connections they make, commonly there are two of them – one way switch, 2 way switch. This is based on the two components – pole and throw. The number of circuits controlled by a switch is called poles while the number of positions a switch can take is called throws.

One-way switches:

One-way switches, also known as single pole switches, are the most commonly used modular switches at our homes and in many appliances. With these switches, you can control the electricity flow.
A one-way switch is a single throw switch consisting of two contacts - open and close. When they are turned on, the terminals are connected and when they are turned off, the contact between the terminals is broken. That’s why one-way switches have defined ON and OFF states. Most likely, these switches come with the markings or some indicator for ON state. One-way switches are effective for small rooms and domestic appliances.

Two-way switches:

A two-way switch includes a contact which can be connected to two other contacts, which means three contacts in all. In other words, a two-way switch is two one-way switches combined in one. These switches can control a single device from two different locations. For instance, at late night, you can switch on the light before climbing up the stairs. Once you reach upstairs, with a two-way switch, you can turn the lights off from there. Same goes with the long corridors too.
These switches are also super convenient to switch on the light or fan in your bedroom, with one switch at the room entrance and another near your bed. So, you don’t have to get out of your bed to operate the lights or fan. Thus, two-way switches are used in stairways, corridors, or large rooms.
Two-way switches don’t have defined ON and OFF states or any marking or indicator because that depends on the state of the second two-way switch. These switches are easy to operate but difficult to install.

Looking for modular switches online? Check out Athena Modular Range of switches by Crabtree, which is fire retardant, long-lasting, and stylish to complement your home interiors too!

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