Explore our fluorescent pipe buying overview to learn much more about the best brands and the varieties and size available.

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What is a Fluorescent Tube?

The fluorescent tube, likewise referred to as the fluorescent strip or pipe light, is a low-pressure mercury vapour gas-discharge tube the converts fluorescence into visible light. This procedure involves the triggering of mercury vapour via an electrical charge, bring about the appearance of a short-wave ultraviolet light. This then reasons the phosphor coating within the pipe to glow.

Fluorescent tubes have the benefit of benefitting from much higher energy effectiveness than incandescence lamps. They are a fairly inexpensive type of lighting and have a fairly long life (although not as lengthy as LEDs). Fluorescent pipe are supplied for a wide range of domestic and commercial applications.

Additional reasons for the usage of fluorescent tubes include:

High level of irradiate distribution and also even diffusion

Relatively low running costs

Production of assorted colours, including white, red, and blue

Browse all Fluorescent Tubes

Different varieties of Fluorescent Tubes

A number of different varieties of fluorescent tube have been produced because they were an initial introduced and patented as a advertising product in 1939. These tubes differ in regards to shape, power, rating, length, colour, and other illuminating characteristics. It’s necessary to take care over the an option of fluorescent tubing, considering the design of your interior an are and the light purposes.

T2 Fluorescent Tubes


The bulbs featured within these miniature tubes have a diameter that 7mm (0.275 inches). They enable for quick connection and also feature one axial base perfect for applications consisting of the lighting of display screen cases, under cabinets, and also display backlights. The T2 fluorescent tubes have actually a greater lifespan 보다 that of the T5 alternatives. However, you should ensure that they space attached to digital ballasts purpose-made because that T2 fluorescent lamps.

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T4 Fluorescent Tubes

T4 fluorescent tubes have a an especially slim-fitting design and the little size of this fluorescent tubes enables for straightforward installation. Lock are typically used because that kitchen display and also work-surface lighting. Such tubes emit a cool white colour, make them suitable for a broad selection of applications. T4 tubes sell high level of energy efficiency and are terrific budget option. They have an expected lifespan of around 10,000 hours.


T5 Fluorescent Tubes


T5 fluorescent tubes are an ideal for lighting offices, schools, supermarkets, and other similar environments. Lock are wonderful cost-saving option, particularly given their intended lifespan of as much as 30,000 hours. T5 tubes likewise feature an green coating top top the inside of the glass, effectively staying clear of the phosphors from taking in mercury. Much longer T5 tubes were introduced across Europe throughout the 1990s. The style of these elongated tubes has been based upon multiples the the 300mm (11.8 inches) ‘metric foot’, quite than the 305mm (12 inches) imperial foot. The ballasting of these fluorescent tubes avoids overloading and permits for the integration of features such together the instant, rapid, and programmed start.

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T8 Fluorescent Tubes


These fluorescent pipe are provided for a wide range of domestic and also commercial purposes, primarily since of the high level of irradiate emission. Together tubes have outstanding colour calculation capabilities and offer wonderful levels of energy efficiency. The light given off through T8 fluorescent pipe has also proven to be efficient in the prevention and treatment the seasonal affective disorder (SAD).

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T12 Fluorescent Tubes

The manufacturing of T12 fluorescent tubes end in 2012. This tubes have actually measurements that 38mm (1.49 inches) in diameter and have unique wattages when compared with alternative species of fluorescent tubing. The ecological Protection company (EPA) has actually advised the retrofitting of T12 fixtures for choices that don’t use as much mercury or fossil-based fuel. Girlfriend may pick the choice of instead of T12 fluorescent tubes with T8 LEDs due to the comparative generation of light and also reduction of energy.


Circular Fluorescent Tubes


Available in T5 (15mm diameter), T6 (20mm diameter), and T9 (29mm diameter) formats, one fluorescent tubes are frequently used by lighting developers in the creation of well-lit interior spaces. These fluorescent tubes market high level of energy efficiency and also have a slimline design, making castle the ideal choice for ceiling lighting. Round fluorescent lamps are just compatible through existing circular fluorescent tube fixtures.

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What can Fluorescent tubes Be provided for?

Fluorescent tubes and lamps are available in a variety of shapes and sizes. The compact fluorescent lamp has actually gained considerable popularity in current times. It is quite common for the auxiliary electronics to be incorporated within the basic of the lamp, permitting for compatibility v the typical light pear socket.

Fluorescent tubing might be mounted for bright the following places:

Residential rooms

Storage areas

Commercial office spaces

Parking garages

Retail stores

How to pick the right Fluorescent Tube

The installation of fluorescent tube may result in far-ranging financial savings because that two key reasons - low to run costs and also a prolonged lifespan. These lights will certainly also carry out greater level of illumination than standard incandescent light bulbs. As previously mentioned, fluorescent pipe is suitable for a wide range of domestic and commercial applications. The pipe diameter, length, and also colour rendering should all have actually a bearing on the purchase decision.

Fluorescent tubing can provide the following colour variations:

This table highlights the wide an option of fluorescent tubing available from RS Components:


Main Benefits

Suitable Applications


Philips light Fluorescent Tubes

Extended life expectancy of as much as 20,000 hours

Shatter-resistant versions available

Schools, offices, shops, and factories


Sylvania Fluorescent Tubes

Energy-efficient range

Improved colour rendering performance

Suitable because that a wide selection of applications


Osram Fluorescent Tubes

Advantages that a famous brand

Products accessible worldwide

Both domestic and commercial lighting


GE Fluorescent Tubes

Excellent color quality

Longer lifespan and lower mercury outputs

Domestic use, signage, commercial applications


GlassGuard Fluorescent Tubes

Industry compliant shatterproof direct fluorescent lamps

Retail, food industries, laboratories


RS agree Fluorescent Tubes

Waterproof units

Impact resistance

Manufacturing and also food industries, naval environments

Fluorescent Tube options by Wattage

The number of watts will be suggested after the F ~ above the fluorescent tube. As an example, an F8 tube with 24 watt will have the number F24T8. The level that light calculation will also have a bearing on the wattage that the fluorescent tube. The efficacy of the fluorescent tube will variety from roughly 16 lumens per watt for a 4-watt tube with a regular ballast to much more than 100 lumens per watt for a pipe featuring a modern-day electronic ballast. The level of light emitted indigenous the fluorescent pipe is also affected by the desk lamp temperature in the coldest area of the lamp.

Fluorescent Tube selections by Size

Fluorescent tubes space measured in eighths of an inch, through the measure being attracted from pen to pen at the finish of the tube. The wattage level is dependent on the size of the fluorescent tube. The sizes of fluorescent tubing range from T2 to T17. Production of the biggest size T12 (38mm) has actually ceased. However, castle featured the exact same G13 cap as the T8 tube. This method that it is possible to replace the T12 tube through a an ext efficient T8 the the same length.

The comparative size of fluorescent tubes are highlighted in this table:

Length (mm)






Diameter (mm)






Tube Type






Compare Fluorescent Tubes

There is together a wide choice of fluorescent tubing obtainable that it may be a difficulty to determine the kind best suited to your needs. However, determinants such together the type of socket, diameter, wattage, length, colour coding, and also ballasting have to all have actually a bearing on her buying decision, as have to the following:

Type that Fluorescent Tube

As previously mentioned, fluorescent tubes range from the modern T2 come the old format T12. The slim-line T2 tubes feature a W4.3 fitting and a 4.3 mm vast push fitting. T4 pipe are finest suited to under-cabinet lighting and have a G5 fitting with 5mm separating the 2 pins. Traditional T8 tubes have a G13 fitting, through 13mm separating the pins. The T12 pipe came finish with the exact same G13 cap together the T8 tube, definition that enlarge T12 tubes can be replaced with T8 tubes.

Wattage that Fluorescent Tube

You must be conscious that lumens are specific to the full amount of light emitted by the irradiate source, if watts refer to the quantity of energy consumed. Together the levels of energy performance increase, the wattage reduce in relation to the generation that lumens.

The adhering to table suggests the number of lumens that are generated at different wattages:

Bulb Type

200-300 Lumens

300-500 Lumens

500-700 Lumens

700-1,000 Lumens

1,000-1,250 Lumens

1,250-2,000 Lumens


25-30 watts

40 watts

60 watts

75 watts

120 watts

150-250 watts


5-6 watts

8 watts

11 watts

15 watts

20 watts

20 watts

Length the Fluorescent Tube

As previously stated, friend can develop the length of a fluorescent pipe by measure the total distance in between the two end pins. The lengths of this tubes are typically indicated by the wattage. The smallest fluorescent pipe is the T2 and it has actually a length of in between 250mm and 760mm. The following longest tube is the T4, with a total length that anywhere between 150mm and 1,500mm. This is adhered to by the T5, through a size of in between 340mm and 1,800mm. The length of the T8 tube might be all over from 600mm as much as 2,400mm.

Typical Applications the Fluorescent Tubes

Varieties the fluorescent tubing have the right to be supplied for the light of industrial, commercial, and residential buildings. They generate a shadow-free type of light in all instances. The T8 fluorescent pipe is the selection most commonly used because that commercial and also industrial purposes. Other types of tubing are used to irradiate cabinets, beams, and coves in residential properties.

How come Fit a Fluorescent pipe Safely

Considerable treatment should it is in taken throughout the installation of a fluorescent tube. Girlfriend should start by turning off the power linked to the fitting. Any contact through the fitting and also earthed aspects should be avoided. It will be necessary to start with the removal of the casing, which can then be put in a safe and also secure area. The tube have to be tenderness twisted 90 levels to release it indigenous the light fitting. The attachment of the brand-new fluorescent tube should start with the placement of the brief metal prongs in the equivalent holes. The new bulb should then it is in twisted gently through 90 degrees.


How execute I know What dimension Fluorescent Tube ns Need?

Fluorescent tube come in a range of sizes. To know of the appropriately sized tube will certainly require reference to the password indicating the dimensions. As an example, the T of code T8 describes the tubed shape, v the 8 introduce to the dimension or diameter. The simplest method to recognize the correct size is to review the label located close come the basic of the tube. If you can’t check out this information, climate a measurement must be taken of the pipe diameter. The equivalent measurement should be take away in eighths of one inch. The T8 tube has a one-inch (8/8) diameter, when the T5 tube has a 5/8 diameter.

Which colour Temperature to Pick?

Both the colour temperature and also colour rendering index will have actually a bearing on the appropriate choice of fluorescent tubing. The colour temperature coincides with the warmth of the light. Warmer tones will have a yellowish appearance, while cooler shades will certainly be reasonably bright.

Common ranges of color temperature include:

The colour calculation index shows the ease with which colours have the right to be differentiated on the application of different light sources. A pear with around 80 CRI might be perfect for typical domestic applications. However, you should ensure the fitting of a bulb v a CRI that 90 or much more given the need for high levels of light.

How plenty of Lumens room Fluorescent Bulbs?

There will be some variation in the quantity of lumens produced by fluorescent bulbs given the type and efficacy of the lamp. However, the bulk of fluorescent bulbs generate in between 45 and also 100 lumens every watt. A 20-watt tube may then be expected to generate in between 90 and 100 lumens. The wattage and also lumen levels have a straight bearing on running costs.

How much is a Fluorescent irradiate Bulb?

There is substantial variation in the pricing the fluorescent light bulbs. However, together a general rule, you deserve to expect to pay under £8 every bulb.

What’s the Difference between a Fluorescent Tube and a Fluorescent Bulb?

The main difference in between the fluorescent tube and also bulb is in the size. The fluorescent bulb has actually a distinctive shape and requires special technology for attachment to a conventional light socket. It is additionally common for fluorescent pipe to have actually a ballast linked with the light bulb. Each offers a an excellent level of power efficiency.

How execute I Dispose of Fluorescent Tubes?

Fluorescent tubes autumn under the category of hazardous waste as result of their mercury content. Treatment should be taken throughout the disposal procedure as part of your commitment come environmental and legal compliance. It will certainly be necessary to switch turn off the power source before detaching a fluorescent tube. The tube might then be wrapped in file or towelling to protect against breakage. The tubing can then be transferred to recycling or hazardous waste handle in accordance v the legit requirements.

What do the Numbers average on a Fluorescent Tube?

Ideally, there will certainly be legible coding on the fluorescent pipe indicating the crucial characteristics. Together an example, you can see the password F32T8. The F in this instance will suggest the fluorescence. The 32 coincides to the number of watts or length in inches. The T is certain to the tubular shaping. Finally, the 8 synchronizes to the diameter in eighths the an inch (this may be stood for in millimetres rounded to the nearest millimetre).

What go a Starter carry out in a Fluorescent Light?

It is essential to note that some ranges of fluorescent lighting do not attribute starters. However, those the do generally have a starter positioned close come the pipe socket. The starter will provide voltage in enhancement to that provided by the mains. Operation in combination with the choke, this will initiate the ionised course through the tube. The wattage rating the the starter must correspond v that the the fluorescent tube for reliability and also longevity.

What is the Brightest Fluorescent Tube?

T8 fluorescent tube is the ideal alternative if you want to check out a great level that detail. The high levels of colour rendering permit property areas and also items to be shown to complete effect. This tubes have actually a life expectations of as much as 15,000 and require a fairly low level that maintenance.

See more: How Does Length Of Wire Affect Resistance Of A Wire Depend On Its Length?

Are T8 and also T12 Fluorescent Bulbs Interchangeable?

There aren’t any type of safety concerns linked with the instead of of the T12 fluorescent bulb with a T8. However, you have to be mindful that the installation of a T8 will an outcome in a reduce lifespan due to the high level of current running with the tube. It might be necessary to download a different form of ballasting or fixture for operation of the T8 bulb. Girlfriend may additionally consider the surroundings of long tube LED lighting.