• 31/Aug, 2018

Difference between One-Way and Two-Way Electrical Switches

A switch is a simple device that makes or breaks a circuit. A switch can perform mainly two functions- ON, by closing its contacts, or fully OFF, by opening its contacts. When contacts are closed, it creates a path for the current to flow, and vice-versa, an open contact will not allow the current to flow. In electrical wiring, switches are most commonly used to operate electric lights, permanently connected appliances or electrical outlets.

In 1884, John Henry Holmes invented the quick break light switch. His technology ensured the internal contacts moved apart quickly enough to deter the electric arching which could be a fire hazard and shorten the switch’s lifespan. This quick break technology is still employed in today’s domestic and industrial light switches.

The most commonly available and used electrical switches in our homes is the one-way switch. But there also exists two-way switch, though not commonly used. In its working, the main difference between them is the number of contacts they each have. The one-way switch has two contacts and the two-way switch has three contacts. In a two-way switch, there are two, one-way switches combined in one. One of the terminals can be connected to either of the two, but not both at the same time.

The advantage of a two-way switch is the ability to control a single device from two separate locations. A convenient and apt use for them is for locations like stairways, a long corridor or a very large room. So, imagine, it is late at night and you are at the bottom of a stairway. You flip the switch ON to light up the stairs as you walk up. Once you have reached the top of the stairs, with a two-way switch you can simply flip the switch to put the stairway light OFF. The same goes for a long corridor or a large room with more than one entrances. The two-way switch is also super convenient to use as light switch, and possibly the ceiling fan, with the 2nd location accessible besides your bed. So, no trouble of getting out of your bed to operate these appliances.

Another interesting difference between the one-way and the two-way switch is its defined states. The one-way switch has defined ON and OFF states, whereas the two-way switch does not. So, it is most likely that one-way switches will be marked with an ON and OFF position, either by a dot marking or some indicator for ON, position. There is no such marking on a two-way switch because there is no consistent ON or OFF. The ON-OFF can change depending on the position of the second two-way switch.

So, whether you should opt for a one-way switch or a two-way switch is entirely your choice and needs. The one-way switch also called the single pole switch is effective in small rooms, and for domestic electrical appliances. And a two-way switch is apt for multi-door large rooms, stairways and long corridors. An easy switch to operate but a little complicated in installation.

Check Finolex’s ‘Finoswitch’ range, made of superior quality polycarbonate and silver cadmium oxide coated contact points, screws and terminals. They are durable and tested to last over 1,00,000 clicks. The switches are available with a unique fluorescent strip that glows in the dark and acts as a guide.

One way Switch – Image Source : www.finolex.com

 

Two Way Switch – Image Source : www.finolex.com

Leave a Reply

Your email address will not be published. Required fields are marked *

fifteen + 7 =

Recent Posts

Modular Colour Plates
Modular Colour Plates Add To Your Home Decor

Modular Colour Plates Add To Your Home Decor Modular plates are the coverings on your electrical switches. Their main purpose is to keep wires out of sight, and to keep you safe. These plates have evolved over the years to be more in tune with interior designing trends. Earlier, the décor of a room could […]

LED Lighting Trends For 2020

LED Lighting Trends For 2020 It is not only a new year but a new decade. The modern home and how people live is constantly evolving. Lighting today is a matter of interior design, illumination, productivity, environment and pricing. The successful transition to LEDs has seen light ambience ranging from warm to cool, from ideal […]

10 Décor Ideas To Try In 2020

10 Décor Ideas To Try In 2020 31/ 01 /2020 You might want to upgrade your home, remodel, or you’re simply moving into a new place. The start of the year is a great time to set the mood for the decade. The year 2020 is set to bring some interesting trends for home décor. […]

Finding the Right Ceiling Fan For Your Room

26/ 12 /2019 A ceiling fan isn’t meant to just keep a room cool. It can be decorative & even help make your cooling systems more efficient. There are lots of choices available for today’s homeowners. There are even great options available for installations in large halls or businesses. It can be a little intimidating […]

Choosing LED Lights

10/ 12 /2019 Here’s How You Can Choose A LED Light That Saves Money When you’re setting up your dream home you want to have the best décor, appliances & fittings. The right lighting can make a great difference for new homes, renovated homes, or even when you are carrying out minor improvements. Ideal lighting […]