Our light lexicon.

A dropout is an accessory that is attached to a lamp to specifically steer and focus on the light beam of the light.

The angle is the angle under which a light beam spreads from its origin, to the level to which it meets.

In general, the shielding angle of a lamp is the angle between the downward vertical and the direction of view, from the lamps and the areas of high light density.

The absorption of light refers to the fact that every material absorbs light and thus energy, which in turn loses the light.

The radiation characteristics describe the way light is radiated by a light source and how the light is distributed in the room.

The beam angle indicates the angle in which the light escapes from a lamp.

When changing between light and dark, the eyes need time to adapt.

The adaptive lighting is a lighting technology that adapts to the course of the day or daylight.

Accented lighting is used to set accents and specifically stage works of art, furniture, pictures or the like.

Allbruch light lamps are a kind of incandescent lamps developed for general use in households, shops and offices.

The general lighting ensures even illumination of the living space. For this purpose, ceiling or hanging lights are mostly used for this.

Ampere is the unit in which the current is given.

The maximum performance of the entire lighting system is referred to as the connection performance of the lighting, it is measured in watts and is independent of energy consumption.

A workplace or single place lighting is an additional light source that illuminates the workplace for more demanding visual tasks. At least with 500 lux according to the regulation.

For a workplace or single-place lighting, special lighting is necessary, which, as the name suggests, is intended for individual places in the room, and job lights are intended for this.

The Workplace Ordinance, or ArbStättV for short, defines workplace rules that are supposed to prevent accidents in the workplace and protect workers.

Architectural lighting means that buildings, bridges, monuments or architectural elements are targeted and staged.

At the center of the exhibition lighting, the exhibit, traditionally, sees an exhibit or work of art.

The canopy is also known as a ceiling rosette and is used to dress up the power outlet on the ceiling and connect the power cables, usually with pendant lights.

The lighting level is often also referred to as a level of brightness and describes the average illuminance in an entire room or only in certain areas in it.

The illuminance is a calculated value that is output in Lux, which says how light an entire room or a certain area is in it.

The radiation strength describes the entire radiation performance of a light source or electromagnetic energy that meets a surface. It is given in watts per square meter.

A motion detector is an electronic device that noticed movements in the area with a sensor and reacts automatically to it.

An optical or visual disorder is referred to as the glare, which is triggered by excessive brightness.

Bluetooth is a radio standard that is used for the transmission of data and files. Some smart light systems use Bluetooth to control their lights and lamps.

In order to reduce or assess the risk of fire, how warm a luminaire becomes, there are pictograms to mark the fire protection of lights, which fire protection symbols are called.

A Zigbee Bridge is a device that enables the "bridge" between an input device and tens of-enabled devices. The bridge enables access to cigbee-capable devices from a smartphone or tablet to these devices.

If a lamp has a long arm that is adjustable on several joints, it is referred to as a bridal light.

Brilliance is the lighting effect and arises from the reflection of the light source or refraction of the light, it refers to the intensity and quality of the broadcast light.

Candela (CD) is the measure of the luminous flux, which the lamp emits in a certain direction (room angle). It indicates the light intensity and measures the brightness of the lamp.

Casambi is a high-quality smart light system that enables the control of different light sources via an app or the associated switches and buttons.

The abbreviation CCT stands for the term Correlated Color Temperature. In the case of lights and illuminants with the CCT function, the light color can be adjusted so that you can determine how warm or cold the light should be.

The CE license plate explains that the product meets the applicable requirements of the EU.

The so -called circadian rhythm is the biological daily rhythm of a living being and is often also recognized as a "internal clock".

With Color Switch, the light color can be changed via a small switch on the lamp, e.g. from 3000 Kelvin to 4000.

Connect is a smart light system that enables intelligent control of installation and installation lights as well as suitable lamps and various lights for inside and outside from the Connect range. 

The controller is a control unit in a smart light system and passes on to enter a remote control or app to the light or the LED strip to control it. 

Coolbeam lamps are special halogen lamps that offer excellent light quality and a long service life.

The color rendering index is given as CRI (color rendering index) or RA value. The higher the Cri value, the better the color rendering and the more natural the colors in the light.

The twilight switch or twilight sensor automatically switches on or off one or more lights depending on the daylight.

The twilight visits denotes the ability of the human eye to see in poor lighting conditions, especially at dusk or in slightly illuminated interiors. 

Dali is a wired system for controlling and dimming lights. The "Digital Addressable Lighting Interface" is a cross -manufacturer, standardized, digital interface for the control of electronic ballasts (EVG).

"Dark Sky" are lighting systems that were specially developed to protect the night sky and the environment from light pollution.

A defined reflector calls a downlight without glare. Which is very important for visual comfort in the room.

A ceiling lighting is distinguished in ceiling feasts and ceiling lights. Ceiling racks are often referred to as ceiling lamps and describes a lamp that is built on the ceiling.

If LEDs lose luminosity and decreases their luminous flux, one speaks of degradation. Older LED lamps then give less light than at the beginning.

Design luminaires are lighting solutions that are not only a functional light source, but also have a special aesthetic value

The German lighting society (LITG) is a non -profit organization that is committed to promoting lighting technology. 

Dichroitic reflectors are special optical filters that consist of several layers of materials.

Diffuse light is light that is spread evenly in all directions with the help of a diffuser and does not produce any sharp shadows or hard edges. 

Dim2 warm is a dimmethod through which a lamp changes the light color through dimming. The light color becomes warmer during the dimming process, e.g. from 2700 to 1800 Kelvin.

If you want to be able to adjust the brightness of a lamp or have more or less light, it is suitable for this that can be dimmed.

In order to be able to dim a lamp, you usually need a so -called dimmer. A dimmer is a control unit that regulates the brightness of the luminaire or lamp.

DIN 5035 is a nationally applicable standard for lighting with artificial light.

DIN 67524 regulates the lighting of tunnels and underpasses in motor vehicle traffic. 

DIN EN 12193 is the standard for the lighting of sports facilities inside and outdoors. It includes the most common sports in Europe.

DIN EN 12464 is a European standard for lighting at the (indoor) workplace, which is to be observed by all countries.

DIN EN 13201 is a European standard for street lighting.

DIN EN 1838 is a European standard for the emergency lighting of applied lighting technology, which replaced the only nationally applicable standard in July 1999.

The standard DIN V VDE V 0108-100 includes safety lighting systems with the determination of the electrical safety lighting for jobs and buildings with a high number of people. 

DIN VDE 0710-13 is a standard that deals with the ball throwing safety of lamps for sports halls. It states that incoming balls are not allowed to damage a lamp so much that entire parts of the shook fall out.

The direct glare at lights refers to the unpleasant and dazzling light, which shines from a lamp directly into the eye of the viewer.

Every light is called direct lighting that is oriented directly into the room or a work surface to ensure brightness.

A spacer is a ceiling attachment used to align pendant lights.

DMX stands for digital multiplex and refers to a standardized digital control protocol, which enables communication between control units and lighting devices such as headlights, dims and effect devices.

Downlight wall flooders and downlight-double-wall flooders are lighting devices that are designed for ceiling mounting and fit in round, as well as angular openings.

Downlights are compact mostly round ceiling lights, which, as the name suggests, hand in down and create a cone on the floor or wall.

The classic among the dimmers is the rotating dimmer with switch. If you press on the button, the light is switched on or off and the brightness can then be set via the rotary button.

Lighting is described as dynamic if it changes over time in terms of at least one parameter.

The position of a pendulum or hanging lamps simply higher or lower- the Helestra lamp brand has its own concept for this mechanism.

The ECO design guideline is a European regulation that is intended to reduce the effects of energy-consuming products to the environment. 

The single place lighting or workplace lighting is a lighting solution in which each workplace is individually illuminated. 

An electronic ballast (EVG) is an electronic circuit that is used in the lighting technology to operate fluorescent lamps and other gas load -based lamps. 

ENEC is an English abbreviation, stands for European Norm Electrical Certification and is the European security test mark for electrical engineering products, which also includes lamps.

Various network -powered ballasts from fluorescent lamps consume of different amounts of energy and are therefore divided into seven different classes by the energy efficiency index.

Energy efficiency classes are a label that gets products in order to evaluate their energy efficiency.

The energy label, which is also called standardized energy consumption labeling, is an EU-wide uniformly designed label that provides consumers about the energy efficiency of electrical engineering devices.

Energy -saving lamps are a type of lamps that consume less energy compared to conventional incandescent lamps and are therefore more energy -efficient.

EnoCean technology is a standard for battery-free radio sensorism, which is used for Smart Light and Smart Home Systems.

Discharge lamps are lamps that create light by a gas discharge within a glass flask. 

EMC is the abbreviation for electromagnetic compatibility and stands for freedom of stealing due to electromagnetic radiation.

Explosion-protected lights are often referred to as so-called ex-lights and have a variety of protective properties.

Fading is the gradual input and hideing of a light source. This can be done by manual or automatic control and is often used in the lighting technology to change the lighting mood and atmosphere in a room. 

Color mix is ​​the combination of different colors to create a different color. 

The color saturation is the intensity and purity of the colors generated by a lighting source. 

Luminaires that can change your light color, often realized with RGB LEDs

The color rendering of a lamp is specified with the color rendering index, which shows how naturally the colors in the area are reproduced during lighting.

Fiber-optical lighting systems are a single centrally operated high-pressure discharge lamp, from which the light is distributed using a bundle of fiber optical lines.

One version means a device for the lamp of a lamp, whereby this gives the lamp and the connection is only possible with a base that suits the socket.

A remote control is an electronic handheld device with which a device can be operated and controlled over short to medium distance.

So -called wet room lights have a high type of protection of at least IP44, since they are only sufficiently protected from moisture and dirt.

A floodter is a kind of lamp that is used for large-scale lighting of indoor and outdoor areas. 

A floodlight, also referred to as a spotlight or area spotlight, is a powerful lighting device that creates a wide and intensive beam of light.

Deared light refers to a kind of lighting in which the light is directed in a certain direction in order to illuminate a specific area or object. 

Uniform lighting is the even distribution of the brightness. It is often referred to as basic or general lighting, since it tries to illuminate a room holistically and sufficiently.

Electricity consists of so -called electrons. With direct current, the electrons move all in one direction, which is exactly opposite to the alternating current.

The light bulb or due to its form called the light bulb is the oldest electrical light source and then revolutionized the lighting market.

The basic lighting is also referred to and used as room or general lighting in order to illuminate a room evenly and sufficiently.

The abbreviation GS stands for the sign of certified security and confirms the agreement with the device security law.

The GS sign stands for "tested security" and is a seal of quality that proves that the product corresponds to the Product Safety Act. 

There are special approval characteristics that show what must be observed in high quality lighting.

The so -called half -night operation often also referred to as half -switching is used in street lighting to save energy in the low -traffic times.

The half -litter angle is the angle in which the light of the lamp is most intensely and the illumination of the room is the most.

The halogen lamps are temperature radiators and have a functional similar to the incandescent lamps.

Stool lights are called that because they are often placed on a stool, such as pedestals or side tables.

Human Centric Lighting is abbreviated with the three letters HCL and deals with the effect of lighting on humans.

Ilight is another smart light system in the portfolio of Skapetze.

The abbreviation IRC comes from English and stands for infrared coating, which means something like infrared coating in German.

One speaks of indirect lighting when the light of a lamp of ceilings or walls is reflected and does not radiate directly into the room.

Infrared radiation is a form of electromagnetic radiation that can be given by lights.

The IP certification (English: Ingress Protection or International Protection) indicates which type of protection has a product.

There is warm white, neutral white and cold white light, the latter has an increased blue content and therefore looks significantly colder.

More flexibility in the attachment and use of the lamps - that's exactly what a Cardanian spotlight is intended for.

Kelvin (abbreviated to K) is a temperature unit in which the color temperature of a lamp is specified.

Click-Wagos are isolated connection terminals from Wago, which combine two cables with a simple click mechanism.

In order to keep the lighting level or the illuminance in a room exactly constant, the constant lighting is used.

The contrast denotes the difference between the brightness or color between different illuminated elements in a room or a surface.

The contrast reproduction is the ability of a light source, colors and brightness to reproduce precisely and naturally. 

A crusader is a kind of grille that is placed over a lamp to control the light and reduce unwanted blindings and reflections.

The lamp life is the estimated time that a lamp or lamp can be operated without failure. 

A lamp base is the part of a lamp that is used for fastening and power supply and which is screwed in or inserted into the version of the lamp.

An LED strip or LED strip is a flexible ribbon that is occupied with many small LED chips.

The so -called power consumption is often found under the terms lamp performance or wattage (the latter comes from English).

The light density is abbreviated to formula signal and stands for the brightness impression, which the human eye has with a self -illuminating or illuminated area or is conveyed.

LED stands for Light Emitting diode or light emitting diode. It is a semiconductor that generates light when electricity flows through.

A luminaire fitting is a device that has been developed to accommodate one or more light sources and to steer or distribute the created light in a certain direction

Light to view is lighting that enables and emphasize the beauty and aesthetics of objects. 

A light dampening refers to the process in which light rays are distracted or redistributed by their original direction if they meet a material with different optical density.

The light output indicates how many lumens a lamp produces per watt and is therefore indicated in lumens per watt (abbreviated with LM/W).

The light resistance indicates how well a material whose color and surface properties get in the action of light. 

The light fraction is the change in the direction of propagation of light rays.

Light emission refers to the delivery or broadcast of light energy by a light source.

Lichtenergie denotes the energy that is also transported in the form of electromagnetic radiation, also called light.

The light color describes the colored appearance of the light, which depends on the color temperature of a light.

A light filter is an optical element that is used to modify certain properties of the light by filtering or leaving certain wavelengths or colors

The light flow, also referred to as a luminous flux, is a measuring variable in the lighting technology that indicates the entire light output of a light source in all directions.

Lighting mission means the process, which leads to light pollution or light mog. Lamps release light and are therefore light -emitting.

A lighting staging is a creative design and targeted arrangement of lighting elements to create a certain atmosphere, mood or effect in a room, a scene or an event.

A cone of light is the geometric shape of the light that comes from a light source and spreads in a certain direction. 

A light wreath is an atmospheric optical phenomenon in which a circle or a ring made of light around a light source or an object appears.

A light dome is a transparent or translucent architectural element, which is built into roofs or ceilings of buildings in order to bring natural daylight into the interior.

A light guide is able to guide light through total reflection within a transparent material. 

Light steering is the targeted orientation and control of light rays to focus them as desired. 

Light modulation refers to the process of changing the intensity, the phase or polarization of light waves in order to transmit information or to control certain properties of the light.

A light panel, also referred to as LED panel or surface light, is a type of lamp that consists of a flat, rectangular or square light surface, which is equipped with a variety of LED light sources.

The term light point comes from the area of ​​outdoor lighting and describes a single lamp there, such as a street lamp.

The light quantity is the amount of light that is visibly broadcast by one light source per unit of time. It is usually measured in the lumen unit. 

An artificial lamp is understood by a light source, which in turn is then inserted into a lamp or is immediately installed there.

A light barrier is a device for recording objects or people by interrupting a light beam.

Light protection is intended to reduce the negative of the effects of light on human health, with appropriate measures and technologies. 

A light sensor serves to measure brightness or artificial lighting, which is why one often speaks of brightness sensors.

The light spectrum refers to the entire color palette and all wavelengths of the visible light.  

The light intensity of a lamp indicates the strength of the light in a certain direction, since light is never completely evenly distributed.

A lightingel is a vertical column or a free -standing pillar, which is equipped with lighting elements to give light in the area.

Technology is used in light control to control the brightness, the color and alignment of the light.

A light control system is a technology that has been developed to control and regulate the lighting indoors or outdoor areas

The luminous flux is given in the size of lumens (abbreviated with LM). It is the radiation flow or light output, which ultimately radiates a source of light. This means that with the unit you give lumen how bright a lamp is.

The maintenance of light flow is a term in the lighting technology that relates to the decrease in the luminous flux of a light source over time.

How important light is for humans and what an enormous effect it can have on us is particularly clear in light therapy.

Light conversion refers to the process in which light is converted into another from an energy form.

Light pollution refers to the excessive and undesirable lighting of the night environment by artificial light sources.

The light distribution refers to the distribution of the light of a light source or a lamp in a certain room or on a surface.

A light wave ladder, also referred to as a light guide or fiber optic, is a flexible, transparent guide rod that can transport light along its length.

A luster clamp is an isolated connector that is used to connect two power cables.

The word has its origin in Latin and means something like "light" and "lamp".

In the Lux unit, which is abbreviated to LX, the illuminance is given, which is one of the central units of measurement in the light area.

Luminaires are referred to as mast lights in which at least one luminous body is attached to or on a mast.

Devices that are equipped with the mesh technology reinforce a radio signal like a repeater. For example, the WLAN signal can be reinforced with the help of repeaters and the range can be increased.

Modeling or modeling means the interaction of light and shadow or direct and indirect lighting in order to recognize and perceive surface structures of objects.

In the multifunctional lighting, several functions or applications are combined in one device. 

A light angle of 30 degrees is understood by the so -called museum angle. This is ideal for the lighting of the exhibits and perfectly stages them.

The nominal output describes the maximum performance that an electrical device or lighting device can absorb or submit. 

The so -called nominal lighting strength is understood to mean the average illuminance in a space set up in relation to the middle aging state of the light.

Neon lamps are low-pressure discharge lamps that contain the noble gas neon and large, cold electrodes. With high voltage of around 300 volts per meter, this gas is then discharged and thus generates light. Neon lamps can then also be found under the term neon tubes, which both should not be confused with fluorescent lamps, although they are colloquially titled.

The electrical voltage that is available in the power grid is referred to as a mains voltage. 

Neutral white light is perfect for jobs and the home office, since it has a lower yellow content and thus already looks a bit cooler as a warm white light. So you can concentrate better and don't get tired so quickly. The color temperature of neutral white lamps is 4000k, with K standing for Kelvin. You can remember: the higher the Kelvin number, the colder the light becomes, as it then moves further into the blauen area.

Emergency lighting is a special type of lighting that has been developed to automatically activate in a power failure or other emergencies and to ensure a secure lighting environment.

The use level is the horizontal and vertical level, which is to be illuminated by a light source - such as a desk.

OLED is the abbreviation for organic luminous diode (in English Organic Light Emitting Diode).

Under the concept of optical radiation, both ultraviolet radiation, the visible light and infrared radiation falls.

As the name suggests, orientation lights serve to orientate in a building or outdoors.

The concept of pars comes from English and is the abbreviation for Parabolic Aluminized Reflector.

The planning factor calculates the optimal illuminance for a specific space or area. 

Plug & Shine is a high -quality garden lighting system from Paulmann.

The presence sensor or presence detector is a more precise variant of a motion detector.

By projection of lighting, lights are targeted to highlight and emphasize certain objects or areas. 

The point illuminance describes how strong a certain point in a room is illuminated by a light source. 

A point light source is a light source that radiates from one point in all directions. 

Raster lights are lamps with a grid cover for breaking the light, which are often equipped with fluorescent tubes, compact light lamps or LEDs as lamps.

The room lighting, also called general lighting or basic lighting, is used to illuminate a room evenly.

The space -efficiency measures the efficiency of the lighting and the actual luminous flux in a room. 

A reflector in a lamp enables the lamp to be shielded and the lighting with the help of reflective areas.

The reflection is the degree in which a surface reflects or scattered the light of a light source. The reflection depends on the color, texture and nature of the surface. 

The degree of reflection indicates the percentage of the luminous flux of an area.

Clean -up lights are lamps that can be used in rooms with high demands on cleanliness and hygiene - such as in surgical halls.

RGB stands red, green and blue for the three basic colors.

RGB + CCT stands for the three basic colors red, green and blue + Correlated Color Temperature. With this function with this function, the light can be set in color.

A classroom focuses on the light in one direction, or on a certain object. 

The term scallop comes from the English and stands for scallop or arch, whereby this designation in the lighting area alludes primarily on the shape.

With a switchable socket, lights and other electronic devices can be controlled remotely.

The headlights are luminaires that can bundle their light very strongly and thus steer them in a certain direction.

Electronic devices can be divided into different types of protection.

With a lamp, the protection class indicates which protective measures are necessary for an electrical blow.

The so-called protective small tension means a particularly low electrical voltage, which is also referred to as a low-voltage voltage.

A swiveling lamp is a kind of lighting device that offers the possibility to direct the light beam in different directions by can be swiveled or rotatable.

In the lighting industry, visual tasks and the appropriate lighting level are often talked about, which means as much lighting that is tailored to an activity.

Sight's comfort is the well -being of man, which is caused or experienced by the lighting.

There are various sensors in the area of ​​the lights that perform different tasks.

Simplydim is a dimmm technology of the Paul Neuhaus Group, which enables a dimming of compatible lights with a normal light switch. 

The abbreviation SMD in front of LED comes from English and stands for Surface Mounted Devices, whereby such SMD LEDs are very small components that can be assembled on surfaces for industrial production.

The base is the part of a lamp that is inserted or screwed into the version of a lamp. So it stops the illuminant and at the same time represents the interface for the electricity.

Electrical voltage is needed to make a lamp glow. Lamps usually have a certain nominal voltage. 

Light is nothing more than wavelengths, whereby each wavelength has a different spectral color.

The so -called spectral colors include all visible electromagnetic radiation and thus all light of 380nm up to 780nm wavelength.

Luminaires with a mirror throwing system scatter the bundled light of a projector using a mirror into many small points of light, which are then steered in one direction glare-free.

A steel rope holder is used to attach a steel cable to the ceiling. This is often required for hanging or pendant lamps, which are attached to such a steel cable.

In modern smart light systems or in classic light management, control and rules of light is particularly important.

Lights are luminaires that usually radiate very strongly directed light and thus have a rather close light distribution.

The radiation performance is the amount of energy that is given by one radiation sources per unit of time in the form of electromagnetic radiation. 

The highest priority in street lighting has security, since humans perceive 80% of the sensory impressions with their eyes and thus increase the dangers in traffic without sufficient lighting.

If light is reflected in different directions from a surface or a medium, it is scattered. 

The area is referred to as the power outlet where the power cables come from the wall or ceiling and a lamp can be connected.

A power rail is a supply line for the electrical current for lights, which creates more flexibility in attaching the lamps.

The current strength is given in the ampere (a) unit and abbreviated with the formula sign I.

The natural light that becomes the sun is called daylight. It is a combination of direct sunlight and diffuse scattered sky light that hits the earth through the atmosphere. 

Day lighting lighting is an artificial lighting, which should complement or imitate the natural daylight. 

Daylight white is a name for a color temperature of artificial light that resembles natural daylight. 

Luminaires that are equipped with a touch dimmer can be switched on and off and dimmed with a simple touch.

Touch switches differ from standard switches by operating them with finger touches.

A transformer is a voltage converter and converts the electricity, for example from alternating current to direct current or changes the voltage, for example from 230 volts to 24 volts.

The electronic component of an LED light that regulates the current and voltage for the LEDs.

UGR means "unified glare rating".

As the name suggests, examination lights are used for medical examinations and treatments such as OPS.

Luminaires or headlights are called underwater lights, which may be used in the water due to their protection class.

Uplights can often be found under the German name ceiling flooder - the former is only the English and more modern term.

The abbreviation VDE stands for Association of German Electrical Engineers, which was founded in 1893 and is now the name of the name of technical scientific association of electronics electronics information technology e. V. wears.

The reduction factor is a term from the area of ​​lighting technology and describes the process, reducing the illuminance.

The light of so-called full spectrum lamps corresponds to the spectral composition of daylight, which is why they are often referred to as daylight lamps or full spectrum-day light lamp lamps. 

In volt (abbreviated with V), the electrical voltage (formula sign U) is given.

Preissail devices are abbreviated with the abbreviation VG and required for the operation of discharge lamps.

So -called voute lights serve to light the ceiling edges, i.e. from the edge or the curved transition from the wall to the ceiling.

A wall flooder is a type of lighting device that is installed on a wall to illuminate a large area with light, direct or indirect light.

The luminous flux is given in the size of lumens (abbreviated with LM). It is the radiation flow or light output, which ultimately radiates a source of light. This means that with the unit you give lumen how bright a lamp is.

The maintenance factor serves as the basis of the maintenance plan of a lighting system and depends on the operating conditions or wear and tear as well as on the lamps used.

In the European standards for the lighting, minimum values ​​for, for example, the illuminance are defined, which must not be undercut - these are also mentioned.

The performance (Formula sign P) of a lamp is indicated in watts (abbreviated with W). This provides information about the energy or power consumption of a lamp.

Elemental particles consists of so -called electrons, electrically negatively charged.

The color mixture of lamps with white light color is referred to as white and white mixture.

The classic rocker switch is known in most living rooms.

With a timer you can switch electronic devices such as lights on and off.

Zigbee is a radio standard that is often used for smart home systems.

All lamps that cannot be switched on with the mains voltage coming from the socket requires a ignition device.

The strain relief is a technical component that relieves the cable's junctions, so that there is no train on the connection.