The Best 20 Watt LED Tube Light on the Market

You can order large quantities of 20w LED tubes and enjoy a 3~5 years warranty on your purchase. The build of the T8 LED tube 20w allows for easy installation especially when it’s small scale in a residential setting.

Also, to give you the quality you deserve, the 20w LED tube light is designed to last long with little to no maintenance.

With over 10 years of experience, VST keeps improving the LED quality, the durability of the parts, and other systems to ensure high-grade lighting products at all times. The light design also strikes out flickering. It turns on smoothly and instantly for profound and well-distributed lighting.

Contact VST today to purchase LED tube light 20 watt in desired large quantities as a wholesaler or electrical contractor.

Some Custom Made LED Tube Lights

20w LED Tube Light| The Ultimate FAQ Guide In 2021

Introduction:

Struggling to find the best 20w LED tube light?

Well, It’s pretty common to get confused. Because LED tube lights might be a power-efficient and safe solution. But the market is flooded with LED tube lights.

There are so many 20w LED tube lights in the market that it is hard to keep track. Moreover, every model comes with different sizes, diameters, and color tones.

Don’t worry. I am here to eliminate all the confusion on 20w LED tube light.

Because in this ultimate FAQ guide, I am going to answer all the possible questions related to 20 watt LED tube light.

So, stay tuned.

Table Of Contents

1. What Is A 20w LED Tube Light?
2. What Is The Size Of A 20w LED Tube Light?
3. What Are The Pros And Cons Of A 20 Watt LED Tube Light?
4. What Is The Diameter Of A 20 Watt LED Tube Light?
5. Where Can I Use A LED Tubelight 20 Watt?
6. What Should Be The Room Size For  A 20w LED Tube?
7. What Is The Lumen Efficiency Of A LED Tube 20w?
8. Does A LED Tubelight 20 Watt Come In Different Colors?
9. Is It Safe To Use A T8 20w LED Tube In A Hot Environment?
10. Can You Use A LED 20w Tube Light In A Cold Environment?
11. Does LED 20w Tube Light have dimming options?
12.  Are LED Tubelights 20 Watt Repairable?
13. Can I Recycle A T8 20w LED Tube?
14.  What Safety Certifications Should You Look For In A 20w LED Tube Light?
15. Where Can You Order Customizable T8 LED 20w  Tubes?
16. Why Should You Choose A T8 20w LED Tube Over A T8 40w Fluorescent Tube?
17. What Are The Available Pin Types For A 20 Watt LED Tube Light?
18. What Should You Consider  Before Buying A T8 20w LED Tube?
19. Can you use A Fluorescent Fixture with a 20w LED Tube Light?
20. What Is The CRI Of The 20 Watt LED Tube Light?
21. How To Install A 20 Watt LED Tube Light?

FAQ

1.What Is A 20w LED Tube Light?

20w LED Tube lights are LED-based modern lighting solutions. Here 20w means the light will consume 20w to provide maximum performance.

20w LED tube lights have a big circuit containing small semiconductor light sources. They light up when electricity passes through them.

As a result, less electricity is wasted in the process. So, more light can be produced with little energy.

Other than LED circuit, a 20w LED tube light consists of

• An LED Driver.
• Heat sink
• PC cover.

Here, the LED driver works as the Ballast and the heatsink helps to keep the temperature to a minimum level.

2. What Is The Size Of A 20w LED Tube Light?

It actually depends on the manufacturer and the market.

For example, a VST 20w LED tube is 4-5ft long. But they can compete with any fluorescent tube light because of their efficiency.

Normally, a 20w LED tube can replace a 36w/40w fluorescent tube. Because 20w LED tubes can produce 2200-3000 lumens. Which is more than the traditional 36/40w tube lights.

3. What Are The Pros And Cons Of A 20 Watt LED Tube Light?

The advantages of LED tubes 20w deserve its own article. But here are some remarkable advantages that you must know.

Pros

• LifeSpan: 20 watt LED tubes have almost 3~5 times more lifespan than any traditional tube light. So, they can be a good long-term investment.
• Energy Efficacy: A 20w LED tube is 50-70% more energy efficient than any of its competitors. Because a 20w Light can produce more than the equivalent of a 36/40w traditional tube. So, less electricity bills.
• Environment Friendly: LED 20w tube lights are almost 100% recyclable. So, there is no chance of harming the environment.
• Safety: 20 watt LED tubes do not contain any harmful substances and fragile components. So, there is little or no health risk.
• Customizable: LED tubelight 20w is customizable. So, you can customize them according to your needs.

No equipment is fully perfect. So, 20 watt LED tubes have some downsides too. But they are skimpy compared to the bright side. Here are some notable cons of 20 watt LED tubes.

Cons

• High temperatures can harm the LED drivers.
• Some 20 watt LED tubes emit blue light. Blue lights can cause harm to our eyes.
• LED 20w tube lights are more expensive than any other traditional tubes.

4. What Is The Diameter Of A 20 Watt LED Tube Light?

The most common diameter for a 20 watt LED tube light is T8.

However, a 20w LED tube can be of T5, T12, T6, and T10 depending on the manufacturer and the market.

Here, T means 1/8 of an inch or 0.125 inch. So,

• T8= (0.125*8)=1 inch.
• T5= 5*0.125= 0.625 inches.
• T12 =12*0.125= 1.5 inches.
• T10=10*0.125=1.25 inches
• T6=6*0.125=0.75 inches.

Moreover, some manufactures offer custom  20 watt LED tube lights. So, you can order your preferred diameter from them.

5. Where Can I Use A LED Tubelight 20 Watt?

Normally, a 20 watt LED tube light is of 4ft size.

4ft is a suitable size for small rooms and close-range usage. So, here are some notable environments for LED tubelight 20w

• Mid-Sized Room: The 20 watt LED tube light can produce enough light for a mid-sized room.

Moreover, they do not provide much bright light and any noticeable heat.

So, it is suitable for your bedrooms, home office spaces, dining spaces and you don’t need to worry about comfort.

• Kitchen: 20 watt LED tube is a lot brighter light than traditional kitchen lights.

Moreover, they do not produce noticeable heat and UV or IR radiation.

So, they are good for close range usage which makes 20w LED tubes the most suitable light for the kitchen.

• Personal Garage: 20 watt LED tubes are also good for personal garages. Because 20w LED tubes are noticeably brighter but safer from causing a fire.

Moreover, they are more durable than traditional lights too.

So, you can use them in your garage without worrying.

• Yards: If you have a small yard or a breakfast space in the yard then you can lighten them up with a 20w LED tube light too.

Most people do not use fluorescent tubes in the yard because extreme heat, rain, and cold weather can damage them.

But 20w LED tube light can survive them all. So, you can use a LED tube in your yard without worrying.

6. What Should Be The Room Size For  A 20w LED Tube?

Actually, it depends on the user and type of the room.

Because some people like bright light and some dark. However, a mid-sized room is the most suitable for a 20w LED tube.

Normally, a mid-sized room is around 150-180 sq. ft. According to research,  Bedrooms require 10 lumens per square foot. Other living spaces require 20-30 lumens. But places like washrooms and kitchens require a strong lighting source of 70-10 lumens per sq. ft.

So, for a 180 sq ft. bedroom the lighting need is (180*10)= 1800 lumens.

For, other living spaces it’s around(180*20-30)= 3200-5400 lumens

A VST 20w LED tube provides 2000-4500 lumens of light.

So, we can say a 20w LED tube light is enough for most mid-sized rooms.

7. What Is The Lumen Efficiency Of A LED Tube 20w?

The lumen efficiency of a LED Tube 20w LED tube light completely depends on its manufacturer.

The lumen efficacy is an indicator of the produced visible light by a tube light. It is measured by dividing the Lumen of a tube by its wattage.

Luminous  efficacy = lumens/wattage.

For example, a  VST 20 watt LED tube light produces around 2200~3000lm.

So, the lumen efficiency of the VST LED tube 20w would be 2200~3000/20= 110~150 lm/w.

But not all manufacturer produces efficient LED tubes like VST.

So, most of the lumen efficiency of a LED Tube  20w is close to 150~160lm/w.

8. Does A LED Tubelight 20 Watt Come In Different Colors?

Yes, most LED tubelight 20 watt comes in a various number of colors other than white. For Instance, VST-Lighting   LED 20w tube light has color variants like

• Green,
• Pink,
• Yellow,
• Purple,
• Red,

Moreover, each color includes different color temperatures. So, color temperatures can be

1. Warm white
2.  Cool White
3. Neutral White
4. Noon Sunlight
5. Candlelight
6. Sunlight/Sunset
7. Typical Summer Light
8. Snow Water Blue Sky
9. Daylight White
10. Super warm white

Moreover, many manufacturers offer customization options. So, you can order your custom-tailored lights from them.

9. Is It Safe To Use A T8 20w LED Tube In A Hot Environment?

Yes, you can use a T8 20w LED tube in hot temperatures.

For example, VST LED 20w LED tubes can survive up to 45 degrees celsius. That’s hotter than the warmest country on earth.

Moreover, all 20w LED tubes have a built-in heat sink to protect their LED driver. Because LED drivers can not survive in extremely hot temperatures.

However, it’s not suggested to use them in extremely hot temperatures. Because it can cause damage to the LED driver and reduce the lifespan of your tube.

10. Can You Use A LED 20w Tube Light In A Cold Environment?

Of course, you can use a LED tube 20w in a cold environment.

You can even use them at freezing temperatures. Because manufacturers like  VST produce LED tubes that can even survive at  -20 degrees celsius.

The reason behind this is, LED tube 20w  uses a PC cover or durable plastic cover. Plastic is more cold-resistant than glass. So,  LED tube 20w  can work at freezing temperatures.

But not all manufacturers produce tubes that can survive in negative temperatures. So, please make sure whether the LED tube 20w tube can survive in cold temperature or not before buying.

11. Does LED 20w Tube Light have dimming options?

Yes, some 20w LED tube lights have a dimming option.

The dimmable 20w LED tube lights operate at a higher brightness. But it can save around 40-50% of the cost of electricity.

However, not all manufacturers offer dimmable 20w LED tubes. So, if you want a dimmable 20w LED tube, please check before buying it.

12. Are LED Tubelights 20 Watt Repairable?

Yes, LED tube light 20 watt is repairable.

One of the many plus points of LED tube lights is they are made with replaceable materials. On the other hand, older bulbs either had mercury vapor or filament. So, they were not repairable.

But not  LED Tubelight 20 watt. Because if anything happens with the LED driver or light circuit. You can easily buy a new circuit or driver and repair it.

Moreover, normally LED tube light 20 watt does not perish.

13. Can I Recycle A T8 20w LED Tube?

Yes, you can recycle a T8 20w LED tube completely.

Older tubes contain either mercury vapor or filament which is both harmful for humans and the environment. So,  they were hard to recycle.

But in the case of the T8 20w LED tube, there is no harmful element. So, you can recycle it 100%. To recycle

• Tear apart your old 5 foot LED tube light carefully.
• Then, take the aluminum and plastic parts to the nearest recycle center.
• Lastly, take the LED circuit and LED driver circuit to an electric store. Or you can keep them for future usage.

Moreover, in some metropolitans, you can earn money or get gifts if you recycle LED tube lights.

14. What Safety Certifications Should You Look For In A 20w LED Tube Light?

20 watt LED tubes are safer than most tube lights. But some local manufacturers use harmful materials. So, you should always look for safety certifications before buying. Normally, electric devices are certified by UL standards. So, make sure your 20 watt LED tube has a UL standards certificate.

Moreover, Lighting is a sensitive factor to your eyes. So, avoid lights that contain harmful elements.

One easy way to find out is by looking for CE and RoHS certificates in tubes. Because they test and certify if a product contains any hazardous substance.

15. Where Can You Order Customizable T8 LED 20w  Tubes?

There are many T8 LED 20w tube manufacturers all over the world. But only a few provide customizable options.

One of them is VST-Lighting. They offer a various range of customizable options like

1. Waterproof 4 Ft Light Tube For Mining And Fishing.
2. Custom Color 4ft Light Tube For Horticulture
3. 5 foot LED T8 fluorescent tubes with G5 bi-pin easily replaceable with T5

Moreover, VST gives you the opportunity to design your own tube according to your needs.

16. Why Should You Choose A T8 20w LED Tube Over A T8 40w Fluorescent Tube?

This chart can help you understand why you should choose T8 20w LED tube over Fluorescent Tubes

17. What Are The Available Pin Types For A 20 Watt LED Tube Light?

It mainly depends on the region and market demand.

Because different continents use different types of fixtures and plugs. So, it’s hard to tell.  But the most universal pin types are

1.  Single pin,
2. Bi-pin.

However, some manufacturers like VST produce all types of pins. Because they supply all over the world.

The available  VST 20 Watt LED Tube Light pins and caps are

• G13 No Pin
• FA8 Single Pin
• G13 Bi-pin
• D Sharp Cap
• G13 Rotatable Cap
• G13 Lockable Cap
• R17D High Output End Cap.

18. What Should You Consider  Before Buying A T8 20w LED Tube?

LED tube light 4 feet 20w is one of the most reliable lighting options. But still, you must consider a few things before jumping into an LED tube light 4 feet 20w. Otherwise, you might face some issues.

So, the must consider factors are

1. Type: There are 4 types of LED tube lights 4 feet 20w. So, find out which type is best suitable for you.
2. Single-Ended or Double-Ended Pins: Another essential factor is whether to buy single-ended or double-ended tubes. Single-ended tubes are cheaper. But hard to install.

On the other hand, double-ended tubes are a bit expensive. But they are both safe and easy to install.

1. Pin Type: You must consider Pin size and its type if you are planning to install into a previous fixture.
2. Starter: Fluorescent and LED starters are completely different. So, before setting up your LED tube please find a suitable LED starter for your LED tube light 4 feet 20w.
3. Lumen Efficiency: Try to buy a tube with the most lumen efficiency. Because it will be more cost-efficient as well.
4. Color Temperature: Color temperature is one of the most important factors for a LED tube. Because it will have a huge impact on your lifestyle. So, choose it wisely.

19. Can you use A Fluorescent Fixture with a 20w LED Tube Light?

Yes, you can use 20w LED tube light with an old fluorescent fixture.

One of the most interesting things about LED tubes is their compatibility.

All 20 watt LED tubes can be installed in the old fixture. Moreover, you can use fluorescent ballast with Type A and Type D  LED tubes.

So, you don’t need to buy a new fixture for LED tubes. You can just use your old fluorescent fixture.

20. What Is The CRI Of The 20 Watt LED Tube Light?

CRI stands for Color Rendering Index.

It is an indicator of how well you can see the color of an object compared to natural light.

The higher CRI means you can see the color better. Before LED tubes the CRI of fluorescent was around 50.

Although, some expensive multi phosphor fluorescent tubes had a CRI of 98. But the materials were extremely hazardous.

However, most of the 20 watt LED tubes have a CRI of 80 plus. So, the light quality of a 20 watt LED tube is far better than fluorescent.

Moreover, producers like VST make  20 watt LED tubes that have a CRI of 90+!

21. How To Install A 20 Watt LED Tube Light?

The installation of a 20w LED tube light is quite simple for Type A and Type D tubes.

But as you are dealing with electricity. So, you have to be really careful while installing.

Please follow the below steps

• Firstly, turn off the main electric switch of your house.
• Then, carefully remove the old tube using gloves.
• After that, insert your new LED tube light 20w into the fixture and rotate it to lock the tube into the fixture.
• Then, find out the live and neutral connection of your tube.
• Now connect the tube live with the main live wire and tube neutral with the main neutral.
• After that, cover the wires with wire nuts and check if there is any loose wire.
• Lastly, turn on the main switch and it’s done.

Please watch this video if you have any confusion:

However, if you are planning to bypass a ballast while installing please look at this video:

Conclusion

This is everything you must know about 20w LED tube light.

Our ultimate goal is to help you understand LED tube lights better.

So, we tried to find out every question and confusion about the 20w LED tube light and answered them as simply as possible.

However, if you still have questions about 20w LED tubes then please let us know in the comments.