Complete guide of dimmer light switch - differences and types Complete guide of dimmer light switch - differences and types

Complete guide of dimmer light switch - differences and types

A light dimmer is connected to the light, where it manages the brightness of the light. It is important to understand that there is a difference between a switch and a dimmer light switch.

A switch will simply turn it on and off, but a light dimmer switch will allow you to adjust the brightness of the light according to your mood and liking.

There are four types of dimmers, i.e., integrated dimmer switches, touch screen dimmer switches, slide dimmers, and rotary dimmers. We will discuss that later.


In the year 1959, the first dimmer light was first invented by Joel Spira. It has evolved with time, and we get a lot of variety in this. A dimmer switch's job is to control the lighting of your house or business. The reason why people go for dimmer light switches is that it saves money. You will have the ability to adjust the lighting to your mood and lighting environment.

A Dimmer switch performs in a very simple way. It just reduces the amount of electricity flowing through the circuit to reduce or increase the brightness. A dimmer switch is easy to install, and any ordinary electrician will be able to install it without any trouble.

Difference between a dimmer switch and an LED dimmer switch

The first thing to understand is that LED lighting is not compatible with a simple dimmer switch. Trailing-edge dimmers are recommended for LED dimmers, and leading-edge dimmers are compatible with a halogen bulb. The advantages of going for a dimmer light switch include energy saving, the liberty to control the feel of the room, and the life of the light will increase as it will bear less pressure.

The conventional dimmer light switches that you see in different places are mostly compatible with halogen bulbs, and they are normally compatible with 40 watts. The LED bulb, on the other hand, is comparatively an advanced form that can be operated at 20 watts as well.

The in-wall relay switch by Evvr is an advanced invention that is made for every home. The installation is simple, as you don't need to smash the walls for its installation. Though it is not a dimmer light switch, it is perfect on/off switch. It works with all kinds of wall switches and has the capacity to convert any bulb into a smart bulb. How does dimmer switch work?

Types of dimmer switch

As mentioned above, there are four types of dimmer switches. Let's discuss each of them:

Integrated dimmer switch: They are compatible with wireless technology but also have the option to be controlled manually. Many modern homes go for integrated dimmer switches. 

Touch screen dimmer switch: These advanced-looking light dimmer switches give a very futuristic feel. Apart from their looks, they are very easy to use after you install them on your wall.

Slide dimmers: This is the common one. In slide dimmers, you just have to slide in the desired direction, and the dimmer will act upon it by giving you the desired lighting. 

Rotary dimmers: They are controlled manually. You simply have to rotate it, and the light will adjust its brightness unless it turns to max or turns off.

Dimmer light switches can be installed both indoors and outdoors. There are several companies' dimmer switches available, so let's look at some of the famous ones, according to

  • Lutron Maestro LED Dimmer switch
  • GE Rotating Dimmer switch
  • Kasa Smart Dimmer switch
  • WeMo smart Dimmer switch
  • Phillips Hue v2 smart Dimmer switch

There are obviously more brands, and more varieties are available with the mentioned brands as well. You can check out the leading online stores to buy from and also check out the other options.

The Evvr in-wall relay switch is quite smart in size compatible with Zigbee, Z-wave and HomeKit light switch, and it works with all the switches. The best thing about it is that you can build the most eco-friendly relay system. It can make all your light bulbs work smartly, so this is something that you can consider.

FAQ for dimmer light switch

Q: How does the light get dim?

Ans: There are components inside the dimmer that turn it on and off the light. Triac plays an important role in this dimming procedure.

Q: Do dimmer lights come with screws and instructions?

Ans: Yes, any standard dimmer light that you buy will have the screws and an installation instruction guide with them.

Q: Will we see the switch light flickering with frequent switching on and off of lights?

Ans: No, you will not see dim light flickering. It is so quickly done that the light level stays constant no matter how high or low you go with the dimmer switch.

Q: Is a halogen lamp affected by dimming light?

Ans: Yes, you will see an increased life of the halogen lamp with a light dimmer. It is simply because less use of energy will result in the long life of the halogen lamp. How does a lamp dimmer work?

Q: Can we get a replacement plate with a light dimmer switch?

Ans: No, the replacement plate is not included in the supply of the light dimmer switch.

Q: Does the standard dimmer switch comes in a common style?

Ans: The light dimmer switches are present in a variety of styles. Some of the common ranges of plates in dimmer switches are standard plates, screwless plates, and ultra-flat plates. The preferences can be made based on your room and personal liking.

Q: What is the meaning when it says minimum load 20 watts and 40 watts?

Ans: If you look at the standard dimmer that supports halogen, it has 40 watts. The 20-watt or low-load dimmers are designed for LEDs.

Q: What is trailing edge dimmers?

Ans: Trailing edge dimmers use insulated gate bipolar transistors (IGBT) to modify the trailing edge of the waveform. In simple words, they are the advanced form of the dimmer light switch.

Q: What is the buzzing sound in dimmer?

Ans: The poor-quality dimmers often make a buzzing or even a sound of humming.

Q: What are leading-edge dimmers?

Ans: This is the most common and oldest form of dimmer switch around. They use triodes for alternate current (TRIAC).

Q: Are all the dimmer switches compatible with all the lights?

Ans: No, they are not. It is suggested you check the compatibility before making the purchase.


The dimmer light switch comes in different forms and all have certain benefits. Many companies are offering it, and it has proven to be of high quality. A light dimmer switch is used in both houses and workplaces when you want to conserve energy or want to set a specific mood. In today's time, when everything is advancing, you can also go for an Evvr in-wall relay switch. This is somewhat different from a light dimmer switch but can perform the on/off function of a switch without any trouble.

led dimmer switch

You can always stay connected with Evvr light switch even when you have switched off the wall switch. It is compatible with all the leading home devices, such as Google Assistant, Alexa, and HomeKit Siri. It works with all sorts of switches, such as toggle switches, momentary push buttons, and smart remote buttons. The best part is that it is compatible with all kinds of bulbs, whether you have LED, halogen, incandescent, or fluorescent, so there is no need to replace even a single bulb.

It works without any flickering with z-wave and Zigbee. Whether you want to use it for your office or at home, the Evvr in-wall relay switch is safe to use because it uses the most eco-friendly smart lighting system.

To know more about how the in-wall relay switch works and how it is more reliable, advanced, and safe to use, you can contact Evvr with the contact us form, and we will get back to you. All your queries will be clarified before making the decision.

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