Until recently, energy-saving devices were not widely used indoors, as they were manufactured in the form of tubes of different lengths. It was difficult for an ordinary user to install or change such models, compared to a conventional incandescent lamp. Today this is an improved device for a fluorescent lighting device. Let's take a closer look at what energy-saving lamps are (types and prices will help you make the right choice for your room).
Read in the article:
Categories of lighting fixtures, types of bases
There are 2 types of models:
- LED
- luminescent.
If we talk about light output, then LED designs have much more.
Types of LED lamps and applications
LED (light emitting diode) is a visually ordinary bulb with a semiconductor crystal. The range depends on the chemical semiconductor composition. In modern technology, this is a new solution.
Classification:
- Type of base.
- Application area.
- Type of LED used.
Let's look at LED models by area of application.
Street lighting fixtures
Widely used in illumination of large swimming pools, public buildings, pedestrians and other public places.
Various decoration methods using smart RGB lighting devices are also widely used.
LED for home and office use
This type can completely replace all categories of previously used models: conventional incandescent lamps; fluorescent and halogen.
Visually they are no different from their predecessors and have a similar base.
LED spotlights
This model is assigned to a separate class. Until today, quartz light fluxes have been used in spotlights.
Due to technical characteristics and differences in photometry, it is impossible to directly replace quartz lamps with LED models. Therefore, floodlights are designed specifically for the LED light source.
LED in industry
This direction is widely used in factories, warehouses and production facilities.
Distinctive features: ideal luminous flux; highest power and IP rating protection.
Models designed for growing plants
Note! Such models sometimes use programming capabilities.
How are caps classified?
The base is the part of the lighting fixture that is in contact with the power supply.
Types of energy-saving lamp bases are divided into two groups:
- Screw-type, marked with the symbol “E”.
- Pin "G".
Let's take a closer look in the table at how bases are classified:
| Types of base | Description |
|---|---|
 E27 Regular classic model with thread | The base is suitable for chandeliers and lamps |
 E14, this is E27, only with smaller threads | Used in modern lighting devices. “Candle” and “Minion” models are produced with a base. |
 GU5.3, similar to the base model of halogen | Such devices are used in LED lamps and do not require design changes |
 GU10 | The model can be found in the kitchen area, where a hood and lighting are used |
 G4 base with two wires | Used in small light bulbs |
 G9 (pin) | The base is the most convenient when installing or replacing the flask |
Energy saving lamps and LED lamps: comparison with predecessors
In order to obtain a complete amount of information about each model, you need to clearly familiarize yourself with the performance characteristics and make a comparison.
Note! In order for the comparison to take place with maximum accuracy, we determine the level of luminous flux of the room (800 Lm).
This is about a regular 75W incandescent model. Now let's give an example with 4 devices, with the same level of illumination.
Comparison table for energy-saving lamps: technical characteristics of incandescent, halogen and fluorescent devices:
| Types/names | Heating degree | Light flux, lm | Power, W | Payment per year/RUB (20 devices) |
|---|---|---|---|---|
 Incandescent lighting fixture | High heat | 600-700 | 75 | 11000 |
 Compact fluorescent lamp, energy-saving model | Medium heat | 600-700 | 15 | 2200 |
 LED | Doesn't heat up or break | 800 | 10 | 1450 |
 Halogen | Gets very hot and very fragile | 700 | 45 | 6600 |
Based on the data in the table, we can summarize that the leading place is occupied by.
Power consumption
The data shows that for different types of lamps, with the same illumination, the luminous efficiency varies greatly. As for the practical issue, an LED lighting device consumes almost 8 times less energy, which affects costs.
Note! A fluorescent lamp, for all its savings, is still less economical.
Saving
Let's do a little calculation:
- Price of one kW = 3 rubles.
- We will assume that the lamp burns 8 hours a day.
- We receive 2920 hours per year.
Let's calculate electricity for the year:
- Incandescent lamp: 2920×75 = 219,000 = 219 kW per hour (219×3 = 657 rubles).
- Luminescent: 2920×15 = 43,800 = 43.8 kW per hour (43.8×3 = 131.4 rubles).
- LED: 2920×10 = 29,200 = 29.2 kW per hour (29.2×3 = 87.6 rubles).
- Halogen: 2920×45 = 131,400 = 131.4 kW per hour (131.4×3 = 394.2 rubles).
Based on the calculations, it can be seen that the LED model allows us to save a significant amount.
Regular and energy saving lamp: power/table
The table shows indicators without a protective bulb, which reduces brightness by 20%.
| LED, W | Incandescent, W | Flow, Lm |
|---|---|---|
| 3 | 25 | 250 |
| 5 | 40 | 400 |
| 8 | 60 | 650 |
| 14 | 100 | 1300 |
| 22 | 150 | 2100 |
Are energy-saving lamps harmful to human health (especially for children)?
Ecology is one of the important indicators of the product. From the point of view of their data, halogen and incandescent lamps are environmentally friendly; their light spectrum is not harmful to human health. But taking into account the energy consumed, which is wasted just like that, they received a rating of 4 on a five-point scale.
Fluorescent lighting fixtures are rated 3 for several reasons:
- Energy-saving lamps flicker when turned off, which causes very tired eyes.
- The luminous flux is very weak and it is bad for vision.
- Mercury, if the lamp is damaged, can cause harm to health. Urgent disposal of the device will be required.
Note! LED lighting devices received a rating of five, as they have no disadvantages from the point of view of the environment and harm to the body.
Energy saving lamps: types and price. Are we saving or not?
In order to understand which model to choose for a particular room and save, you need to look at the average cost, service life and calculate the total savings.
Now let’s calculate the real savings of an LED lamp compared to its predecessors. The maximum service life after which the luminous flux begins to decrease significantly is 3 years, based on 8 hours per day.
Note! This adds up to 8,500 hours of lamp life. During this period, we change 12 incandescent lamps and 2 fluorescent lamps.
Let's calculate the amount for 3 years:
- LED – 300 rubles (1×300).
- Luminescent – 300 rubles (2×150).
- Lamp “Ilyich” – 360 rubles (12×30).
Then we add the amount of consumed electricity to the cost and multiply by 3 years:
- LED 562.8 rub.
- Luminescent RUB 694.2
- Incandescent 2331 rub.
Attention! If we compare a regular lamp with an LED light source, then the second one will allow us to save up to 2000 rubles. in 3 years. And that's just one light bulb!
Article
Today the market offers a large selection of light sources: LED, well-known and familiar incandescent lamps, halogen and compact fluorescent lamps. The last of these versions are also called energy-saving, since they have successfully replaced their analogues with incandescent filament due to their low level of energy consumption.
In addition, there are models of such lamps with Edison socket (E27). For comparison, a special table of correspondence between the main technical characteristics of different types of light sources (luminous flux, power) has been created: energy-saving fluorescent, LED, incandescent.
Differences in design
The most popular type of lamp at all times is with a tungsten filament located inside a transparent or frosted bulb. These are versions with incandescent filament, which are equipped with an Edison base E27, E14 or E40. The glow produces an electric current passing through the tungsten filament. This is the most affordable option.
Only it has quite a lot of disadvantages, which forces us to gradually switch to other lamps, for example, energy-saving fluorescent lamps.
halogen type device
In particular, the service life of analogs with an incandescent filament is only 1,000 hours, and they are characterized by low efficiency (most of the energy is converted into heat).
Slightly more efficient are halogen lamps. Their design also includes a tungsten filament, as in the analogue with an incandescent filament. But inside the flask contains bromine or iodine. The chemical processes occurring between these elements and tungsten atoms help extend the life of such a lamp (up to 4,000 hours).
An even more advanced option is energy-saving light sources. The power of compact fluorescent light bulbs is noticeably lower than that of their incandescent and halogen counterparts, and the radiation intensity provides no less bright light.
The main elements in the design are electrodes; when current is supplied, an arc discharge is formed. UV radiation appears due to gaseous filling (inert gas, mercury vapor), and it is made visible by a phosphor applied to the inner walls of the flask.
Diode lamp design
The market also offers LED lamps. Their operation is based on light-emitting diodes, the type and quantity of which determines the intensity of the light flux. In terms of power, these are the most economical versions. The range of models for each type of light source includes options equipped with an Edison E 27 base, which allows you to install them instead of analogues with an incandescent filament.
Overview of lamp technical characteristics
When choosing, the key parameters are the light source parameters, thanks to which it is easy to determine whether the selected lamps correspond to the operating conditions (room area, installation height, ambient temperature, sufficient brightness level, etc.).
Colorful temperature
Main technical characteristics of different types of light bulbs:
- Power, W). Determines the energy consumption level of the light source. It is recommended to pay attention to economical versions, especially if lamps are selected for a room where the light will be turned on for a long period (kitchen, living room, children's room).
- Luminous flux intensity (lm). This parameter allows you to determine before purchasing how bright the light from the device will be. If we consider LED versions, the luminous flux will not depend on power. This relationship between parameters is observed in energy-saving fluorescent, halogen and incandescent filament analogues.
- Colorful temperature. Depending on the value of this parameter, you can get cool blue (more than 5,000 K), warm yellow (less than 3,000 K) and neutral light (4,000 K). Based on the color temperature value, you can determine the level of comfort from the glow of the lamp (the higher the value, the worse the light is perceived).
- Base type. Different models may have holders in two variations: pin and threaded (E 27, E 14, E 40). In everyday life it is easier to use lamps with an E 27 base. This is the most common type that is equipped with light sources with an incandescent filament. Options with socket E 14 are smaller in size, and E 40, on the contrary, are used in the design of light bulbs with a large bulb. Today you can choose versions with an E 27 base in a range of models for each type of set source.
- Life time.
Additionally, other characteristics should be considered for each type of lamp.
For example, when choosing LED versions, the type of diodes used and their number are taken into account. Energy-saving (compact luminescent) analogues are selected according to the shape of the bulb.
Comparison of different types of lamps
To determine the best option for a light-emitting element, it is necessary to conduct a comparative analysis of the main parameters of the varieties of interest. Considering that halogen versions are similar in power level to incandescent lamps, they were not included in the correspondence table:
Comparing different types of light sources
It is the ratio of the luminous flux and load level that allows you to choose the most suitable option based on the combination of characteristics. It is also necessary to take into account the configuration of the room, since a lamp with high radiation intensity does not always satisfy the illumination requirements of a low room with a small area.
Review of positive and negative traits
Power plays a major role. The comparison table showed that energy-saving and LED lamps are the best. In addition, the load level of the light-emitting element does not affect the intensity of its emission. This means that it is possible to save up to 80% of electricity, without minimal loss of lighting quality.
The brightness level for light sources of the same power value (for example, 4 W) is higher for LED versions (300 lm). This option heats up less than others. In addition, diode-based lamps are stronger. But the operation of luminescent analogues is not completely safe, since they are equipped with a glass bulb, which also contains mercury vapor inside.
In terms of service life, the leaders are, again, versions based on diodes (an average of 50,000 hours). Energy-saving lamps are slightly behind them (9,000-12,000 hours). Analogues with incandescent filament also lose in this parameter (1,000 hours).
The advantage of each of the named light-emitting elements is the type of holder used - they are all equipped with an E 27 base.
The main disadvantages of compact fluorescent and LED options are their rather high price. But if we take into account the long service life of both varieties, we can talk about savings when purchasing them, since you do not have to change the lamp often. In addition, both options are characterized by neutral white or cool light. Therefore, it is generally accepted that these types of light bulbs create room lighting that is less pleasing to the eye. But progress does not stand still and the range of light sources is gradually expanding, which means the appearance of glows of different color temperatures.
An energy-saving lamp allows you to save money on utility bills. It also has a fairly long service life. Many manufacturers provide a guarantee for it. This means that if for any reason your lamp fails, you must replace it with a new one. It’s just important not to forget about its proper use.
An LED lamp is a good economical option that is perfect for almost any room. In order to choose a high-quality LED lamp, you must first familiarize yourself with its characteristics. The power indicators of this lighting are given in the additional table. Comparison table between incandescent and LED lamps. It can be seen that LED has a lower power of 3 W, in contrast to incandescent 23 W. So the best option for saving would be the second one. The power ratio of incandescent and LED lamps is significant for reducing energy costs.
Energy saving lamps power - table
A 15 W energy saving lamp corresponds to a 75 W incandescent lamp, which is quite enough to illuminate one room. Then a 9 W energy saving lamp corresponds to 45 W of an ordinary lamp. A 11 W energy saving lamp corresponds to a 55 W incandescent lamp. The table of energy-saving lamps and incandescent lamps shows that the first option will be more economical. The lighting level will be the same. In addition, such a product will last several times longer.
The correspondence between the power of incandescent lamps and energy-saving lamps is quite large. Therefore, an energy-saving lamp is considered the best option for modern savings at high electricity tariffs.
Comparison table between incandescent lamps and energy-saving lamps
Comparisons of incandescent, energy-saving and LED lamps
In order to decide which lamp is better: energy-saving, incandescent and LED, you can consider the power table for each product. The table provides detailed characteristics of the power of all types of lamps. Here you can see that an energy-saving lamp of 20 W corresponds to the power consumption of 5-7 W of a fluorescent lamp and 2-3 W of an LED lamp. This table shows that the LED lamp is the most economical and has many advantages.
Comparison table for incandescent, energy-saving and LED lamps
Nowadays, the issue of saving has become particularly relevant. People try to save on almost everything. It has become especially expensive to pay for utilities. Including light. One way to save money is to use energy-efficient lamps. Comparative characteristics of different types of lamps are given above: incandescent lamps, energy-saving lamps, LED lamps.
To choose the most suitable option for economical lighting in your home, you need to familiarize yourself with the power of each product.
The given characteristics show that the LED lamp will be the most economical and will consume less energy. In order to replace one incandescent lamp with a power of 75 W, it is enough to take a 10-12 W LED lamp or a 18-20 W fluorescent lamp. They can completely replace the lighting in one room. You will immediately feel the savings if you install one of these lamps throughout your apartment. In addition, they last much longer than their cheaper counterpart. They will look great in any lamp, chandelier, sconce, night lights.
The use of incandescent lamps has long been obsolete. They were replaced by a new invention, which became very popular even despite its higher cost. These lamps are called energy-saving or simply “housekeepers”.
The main feature of such elements is low electrical energy consumption. It is this property that led to their popularization in all countries of the world. In some states, with the advent of “housekeepers,” bans on the use of incandescent light bulbs were introduced.
But if the design of an ordinary light bulb is simple and clear, then energy-saving ones pose a mystery to many. This article will help you find out whether energy-saving elements are really so useful and economical.
Application area
When energy-saving lamps appeared, they were more often used in office premises. Over time, they began to actively fill markets and electrical goods stores. This led to the fact that the cost of “housekeepers” decreased and their availability increased for all categories of the population.
Energy-saving lamps are a great way to save electricity, which is becoming more expensive every year.
Having tested energy-saving light bulbs in action, people are convinced of their effectiveness and try to switch only to this type of lighting.
These lamps are mainly used in residential areas. Less commonly used in cellars, hallways and corridors, as well as for illuminating the territory of a private house at night.
The use of such lamps is also widespread in the housing and communal services sector. In staircases, where conventional lamps often burn out, “housekeepers” are very convenient to use. Their service life allows them to be used for a long time. Even if a defect occurs in the device and the lamp burns out before the specified period, it can always be replaced under warranty. Every year, more and more residential sectors are switching to energy-saving types of lighting.
How to choose the right one
Manufacturers produce “housekeepers” with different parameters and product quality.
When choosing an energy-saving lamp, pay attention to its size, otherwise it will not fit in a chandelier or lamp.
First, let's select the optimal shape:
- spiral;
- U-shaped;
- semi-spiral.
The lighting and operating modes of all types of lamps are almost the same, the only differences are in the form of their manufacture and cost. The spiral one is more expensive due to the complexity of the design.
“Economies” vary in power consumption. The power range ranges from 3 to 120 W. It is worth paying attention to this, because the brightness of its glow depends on the power. If it is necessary to illuminate a large room, then high-power lamps are used.
Light bulbs are produced with different base diameters, which have different applications. Some are designed only for wall lamps, others for ceiling chandeliers and spotlights.
Quality directly depends on the manufacturer. It is not recommended to purchase Chinese lamps at a low cost.
Energy saving lamps, various in shape and color
Service life also plays an important role in selection. If the lamp warranty is 1 year, then the “housekeeper” has low quality indicators. Normal manufacturing companies provide a guarantee for their products for up to three years.
When heading to the electrical goods store to buy an energy-saving lamp, it is important to remember the following:
- Form;
- Base type;
- Power;
- Life time;
- Color rendering;
- Manufacturer.
Advantages
What advantages do “housekeepers” have? These include the following important indicators:
- High luminous efficiency properties. “Housekeepers” allow you to emit a luminous flux many times greater than that of conventional lamps. Cost-effectiveness lies in the fact that maximum electricity consumption is converted into luminous flux.
- Long service life. Average quality bulbs can burn continuously for up to 15,000 hours.
- Variety of color streams. Incandescent lamps do not have the ability to adjust the color of the glow. “Housekeepers” come in three types of glow: warm, cold and daylight.
- Minor release of thermal energy. This property indicates that the energy consumed is used specifically for the formation of a luminous flux. The low heating of the device allows it to be used in floor lamps made of fabric and plastic. Regular light bulbs heat up the fabric and can cause a fire.
- Soft and uniform distribution of light rays. The light spreads throughout the room with the same glow.
- Low power consumption at high lighting levels. Savings can be up to 75% compared to standard incandescent light bulbs
“Housekeepers” save users’ funds
Flaws
Along with such quality indicators, energy-saving lamps also have their drawbacks. They are as follows:
- Long time for maximum luminous flux to occur when the lamp is turned on. This time ranges from 3 seconds and sometimes up to 2 minutes. This phenomenon is especially often noticed when the “housekeeper” is operated in a cold room.
- Energy-saving lamps emit rays that are harmful to people suffering from skin diseases. The use of a light source for such people is not permitted at a distance closer than 30 cm. The higher the power of the lamp, the more ultraviolet radiation they emit.
- Sensitivity to voltage changes. When the voltage of the 220 V network decreases by 10%, they can turn off on their own. They do not turn on at a reduced voltage of 195 V. The lamps cannot be used in luminaires with dimmers.
- Low frost resistance. It is impossible to turn on and operate an energy-saving lamp in the cold at sub-zero temperatures (-15 and below).
- Contains harmful substances in the structure: mercury and phosphorus. These substances are not dangerous when lit, but pose a hazard if the lamp breaks. Once unusable, they require special disposal.
- Periodic appearance of flickering. This is not normal and indicates a possible failure in the near future.
- High price. To switch the entire house to this type of lighting will require considerable financial costs.
Hazards of Mercury Vapors
Mercury is a chemical reagent that is one of the most dangerous for humans. Almost all energy-saving lamps have mercury vapor in their design, or rather, inside the glass bulb. Their content is 3-5 mg, which is a lethal dose for humans. During operation of the lamp, this mercury is absolutely harmless, it is not released from it and does not affect the human body in any way.
If the lamp breaks, the risk of human poisoning by mercury vapor increases.
If an energy-saving lamp breaks, you should immediately ventilate the room and dispose of it.
Timely measures taken will not lead to any dangerous consequences. Disposal must be carried out correctly. After all, the industry produces millions of energy-saving lamps a day, and there are very few collection points. In this regard, people throw away lamps with household waste, which is unacceptable and causes enormous damage to the environment!
If in a locality there is no opportunity to hand over energy-saving light bulbs to a recycling company, then it is better to choose ones that do not contain hazardous substances.
A few words about the manufacturers
Since the advent of energy-saving lamps, the number of manufacturers of this light source is growing every day. The most popular (in terms of price) are products made in China. The cost of high-quality elements is an order of magnitude higher than Chinese ones, but the long service life and high technical parameters pay for the costs.
Among the most popular and high-quality manufacturing companies are the following:
- OSRAM;
- Philips;
- Photon;
- Maxus.
These brands have truly excellent technical performance. Manufacturers provide a guarantee for their products for up to 3 years. Production bases are located in Germany, Italy and other countries.
Companies producing energy-saving lamps of average quality:
- Space;
- Navigator;
- Wolta;
- Nakai.
Manufacturers of economy class products (quality level is satisfactory):
- Electrum;
- Volta;
- Deluxe;
- SunLuxe.
Manufacturers of high-quality energy-saving lamps do not use liquid mercury in the manufacture of bulbs, but a special type of amalgam alloy. In this alloy, mercury is in a bound state. This allows it, when the flask is broken, not to dissolve in the air, but to remain in a bound state.
Main technical parameters
Energy-saving lamps consist of a base, a bulb and a starter. Lamp bulbs are filled with mercury vapor or inert gas argon. The white substance on the glass of the flask is a phosphor. It is also used in fluorescent lamps.
The operating principle of such lamps is based on the supply of high voltage to a flask with vapor. The voltage is increased by a trigger installed inside the plastic shell of the lamp.
High voltage causes continuous movement of electrons. These electrons collide with mercury atoms and produce ultraviolet light inside the bulb. Ultraviolet light passes through the phosphor and causes a glow that is perceived by human vision.
The principle of formation of visible light in energy-saving light bulbs
The main technical parameters of “housekeepers” include:
- power;
- Colorful temperature;
- light output;
- types of socles.
Power
This is an important indicator when choosing an energy-saving lamp to illuminate a room. “Economy” lamps, while consuming low power, are capable of producing a luminous flux 80% higher than that of incandescent lamps. can be replaced with an energy-saving one with a power of 10 W.
Below is a table of the ratio of the power of incandescent lamps and “housekeepers” with the number of lumens they produce.
| “Housekeeper” power, W | Incandescent lamp power, W | Luminous flux, Lm |
|---|---|---|
| 5 | 25 | 220 |
| 8 | 40 | 420 |
| 12 | 60 | 720 |
| 20 | 100 | 1360 |
| 30 | 150 | 1900 |
| 45 | 225 | 2600 |
| 65 | 325 | 3590 |
| 85 | 425 | 4875 |
| 105 | 525 | 5985 |
| 120 | 600 | 7125 |
The table shows how much you can save on electricity if you use energy-saving elements.
As mentioned above, energy-saving lamps can emit three different types of glow, depending on the temperature of the radiation:
- Warm radiation has a glow temperature of 2700 degrees Kelvin. Warm light is suitable for rooms where there is no need for visual strain. Best suited for bedrooms and kitchens.
- Daylight – 4200K. It will be an excellent solution for lighting children's rooms and living rooms. This glow is closer to natural light.
- Cold – 6400 degrees Kelvin. For office spaces where prolonged visual strain is required, lamps emitting cold light are suitable.
Visualization of the “color temperature” characteristic
If your eyes get tired of the light that the device emits. This is evidence that the color temperature of the lamp was incorrectly selected for the given room.
Luminous output
Luminous efficiency is the ability to spread the luminous flux, measured in lumens Lm, and directly dependent on the power of the lamp. The more powerful the energy-saving lamp, the faster and more intensely the electrons move inside the bulb, interacting with atoms. A table characterizing the amount of luminous flux versus power is presented above.
Almost all packages indicate the power and luminous flux of the lamp that it emits.
Types of socles
In order to avoid the need to replace the sockets of many lamps and chandeliers, “housekeepers” are produced with standard E27 base types. The number 27 indicates the diameter of the base in mm.
There is also a small base, marked E14, designed for small lamp sockets or floor lamps.
Manufacturers have not forgotten about floodlight sockets into which lamps with an E40 socket must be screwed.
Energy-saving lamps have characterized themselves on the positive side and have become very popular. Along with negative properties, they still have more positive ones.
After the first month of operation, savings in energy consumption will be noticeable. All that remains is to synchronize the recycling of energy-saving lamps with production, and financial savings in the family will be guaranteed.
Video about the design of energy-saving light bulbs
To completely dispel doubts regarding this type of element, watch the detailed video material. It describes in detail and shows the principle of operation, as well as an “opening” of light sources and their detailed analysis.
Despite, or rather even thanks to, the abundance of different models of energy-saving lamps on the shelves of our stores, many have not fully understood the parameters of such CFLs. Previously, with incandescent lamps, it was much simpler and clearer. There is lamp power and that says it all. Now brightness, color, temperature, and some other parameters have been added to this. How can all this be determined when purchasing energy-saving lamps? Now we will clarify the situation.
Conventional compact fluorescent lamps are designed for standard sockets such as E14, E27, E40. CFLs come in different wattages. Approximately up to 100W for E27 and up to 200W for E40. The color of energy-saving lamps is usually in the range of 2700-4700-6400K.
Any energy-saving lamp is characterized by a number of parameters, such as:
- chromaticity - shows the temperature of the glow;
- power - how much electrical energy is consumed when using this lamp;
- luminous flux - the level of illumination provided by the lamp;
- base - indicates into which socket the lamp is screwed.
Household energy-saving lamps have three main color options:
2700K - warm - the color of the glow is yellowish;
4200K - cold - the color of the glow is bluish;
6400K - daytime - the glow color is white.
Approximate ratio of power and luminous flux in energy-saving lamps:
11 W - 600 lm;
20 W - 1100 lm;
23 W - 1260 lm;
25 W - 1370 lm;
26 W - 1400 lm.
Energy-saving lamps are marked so that their main parameters can be immediately determined. According to the old notation, the first digit indicates the color of the light:
- warm white
31 = 3000 K
41 = 2700 K
32 = 3000 K
- neutral white
21 = 4000 K
22 = 4000 K
- white daylight
860 = 6000 K
950 = 5000 K
965 = 6500 K
According to the new designation, the last two digits are the first two digits of the color temperature, and the first digit is the color rendering coefficient:
- warm white
827 = 2700 K
830 = 3000 K
930 = 3000 K
- neutral white
840 = 4000 K
940 = 4000 K
- white daylight
860 = 6000 K
950 = 5000 K
965 = 6500 K
Domestic marking of fluorescent lamps contains a letter - an indicator of the parameter:
L - luminescent;
B - white color;
TB - warm white;
D - daytime color;
C - with improved color rendering;
E - with improved environmental friendliness;
And a number that indicates the rated power in watts. The most common values are 6, 8, 13, 18, 20, 30, 36, 40, 65, 80. For example, the LBTs 20-D lamp stands for: fluorescent white daytime color, power 20 watts.
However, even despite the ban on the sale of 100-watt lamps in many regions since 2011, people are stocking up on familiar and cheaper incandescent light bulbs for future use. For now, stores are allowed to sell off remaining goods, but there will be no new supplies. So we shouldn’t expect a sharp transition of the population to energy-saving lamps. Conscious citizens will still last on hundred watts, because consumers are scared away from new products by high prices and, most importantly, poor quality of lighting. Many people, having compared the colors of energy-saving and conventional lamps, still prefer the old ones.
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