Connecting the hob to the electrical network: choosing a circuit and implementing the project


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Panels that are integrated into countertops are gradually being replaced by free-standing counterparts. This is due to the fact that they have a wide range of functions and are more economical. You can connect the hob to the electrical network yourself using the appropriate instructions. Before proceeding with the installation of the device, it is recommended that you familiarize yourself with the safety rules and the main nuances of operation.

To easily install the hob, you need to familiarize yourself with the basic safety rules

Features of connecting the hob to the electrical network

It’s worth mentioning right away that the power of integrated panels is comparable to that of traditional electric stoves. It follows from this that to install the hob, a 380 V power line is required. For these purposes, it is necessary to extend a separate cable from the distribution panel. However, there are certain rules (PUE) that must be followed.

It is best to entrust the connection of an induction cooker to specialists, since the likelihood of mistakes is very high

For example, if the network is single-phase, then a hob cable made of copper material with a cross-section of 6 mm² is used. In turn, for a three-phase network, wires with a minimum cross-section of 2.5 mm² can be used.

Note! It is very important to ensure that the device is connected to the line correctly. Under no circumstances should you connect several household appliances to the same line, as this may cause an overload in the network.

It is worth noting that when using a separate line to connect the hob, the installation of a circuit breaker (RCD) is required. For these purposes, 32 or 40 A devices are best suited.

Features of the process of connecting a gas hob entirely depend on the type of device. Currently, dependent and independent built-in slabs can be found on sale. The first of them are installed together with the oven, and the second - as an independent device. Independent devices are connected to the electrical network through a special box, which is mounted at the input. Through it, wiring is made to the heating zones.

The process of connecting the hob depends entirely on the type of device

You should know that there are integrated stoves containing rapid-type heaters. In this case, you will need to perform electrical wiring for each element separately.

Another common type of integrated hob is induction. Such models are the most complex in terms of self-installation. It is best to entrust the connection of an induction cooker to qualified specialists, since the likelihood of errors in this case is the highest. In city apartments, gas or combined appliances are most often installed.

Preparatory stage of panel installation

Before installing the hob, you need to install a suitable power outlet.

The idea of ​​installing a hob should be considered constructively at the design stage of the power supply wiring. This allows you to select the appropriate power model, wires, cut a separate channel for the cable, and install the required socket. The purchase is preceded by an analysis of the wiring in the house or apartment. A kitchen electrical panel in place of an old stove will create a series of difficulties. The wiring in a house or apartment can withstand its maximum permissible power of simultaneously switched on devices. For small cars like “Khrushchev” it is 5.5 kW. The choice of electrical appliances may be limited to a low-power range.

The inductive equipment program is able to independently reduce the heating of part of the burners. Cooking will become protracted, and the panel will lose its main trump card - heating speed. If you are unsure of the stability of the power supply, avoid touch-controlled cooktops. In conditions of low or fluctuating voltage, they will behave capriciously.

How to choose the right cable for an electric stove: recommendations

Proper cable selection is an essential point that should not be ignored. There are two main parameters that you should pay attention to when choosing a wire for the hob:

  • number of cores;
  • thickness.

Options for choosing a cable for connecting the hob

The number of cores in the cable is selected depending on the number of contacts in the terminal block of the connected electrical appliance. Cooking surfaces, as a rule, have only two connection options - to 3 or 4 wires. A stove cable containing 3 cores is usually used when it is necessary to connect a cooking surface to a single-phase network. In such a system the voltage is 200 V.

If the distribution box contains 2 or 3 phases, which correspond to a voltage of 380 V, then it is recommended to install the device according to other rules. The best option in this situation would be to connect the device according to a diagram that takes into account 4 wires. An additional wire allows you to reduce the voltage in the line, which will increase its efficiency.

After determining the number of cores located inside the wire for the hob, you need to select its optimal thickness. The choice of this indicator is made taking into account the power of the panel for cooking. The most common cross-section options today are 2 and 4 mm².

It is worth noting that cables with a thickness of 6 mm² are not suitable for low-power devices. When choosing a wire, it is also recommended to pay attention to its type and design features. Both hard and soft wires can be purchased on the market. Both of these options are suitable for connecting a cooking device.

The number of cores in the cable is selected depending on the number of contacts located in the terminal block of the connected electrical device

Note! When installing the hob yourself, in addition to the connection wire, you will need to purchase a separate network cable. Such elements are not sold complete with slabs, since there is no way to know in advance the number of phases in a particular building.

Experts recommend cables that have good resistance to open flames. There are several types of wires that are most suitable for connecting the hob and oven. As a rule, all of them are characterized by increased safety. The following brands are most widely used in the domestic market:

  • NYM;
  • VVGNG;
  • VVGNG-LS.

Experienced experts recommend using soft wires. This is quite simple to explain, since such cables are less susceptible to heat than their rigid counterparts. In addition, they are more flexible, which greatly simplifies their installation.

Experts recommend cables that have good resistance to open flames

Origins of the problem

Often in the kitchen of an apartment or private house there is only one electrical outlet at the equipment connection point. This is how the living space was designed, especially for old houses.

At the same time, we are faced with the task of ensuring the connection of two independent loads simultaneously, each of which has its own electrical input.

This situation becomes critical when the electrical equipment:

  • has high power, which does not allow solving the problem through a multi-socket extension cord or tee;
  • due to its purpose, it was not initially designed for frequent connections and disconnections.

An additional complicating factor is that the electrical appliances located at a given load point, in our case the oven and hob, must function simultaneously, and the problem cannot be solved by alternatively connecting one of the devices to another point.

Hob connection diagrams: selection of stove models

Modern slab models that are integrated into the countertop are most often compatible with all types of phases. In Russia there are two strictly defined network standards:

  • single-phase – 220 V;
  • three-phase – 380 V.

Separately, it should be said that in some houses a 220 V network may have two phases. Before starting work on connecting the hob, you need to study the features of each type of network in order to understand the nuances of the work. Each type of system has its own characteristic differences.

Single-phase. Most often, this network option can be found in residential buildings that were built quite a long time ago. Single-phase networks are divided into two types: two-wire and three-wire. In old-style houses, single-phase systems have a voltage of 220 V.

Connection diagram of the hob using a terminal block

First of all, you need to understand the two-wire network. It is worth noting that its distinctive feature is the wires of the same color. Phase detection in this case is carried out using a probe (screwdriver equipped with an LED) or a special tester.

Three-wire single-phase networks include multi-colored wires. The following shades correspond to a certain electric line:

  • phase – red, brown;
  • zero – blue, light blue;
  • earth – yellow-green.

Single-phase switching circuit is quite common. In rare cases, such a network may have wires of the same color. In such a situation, it is recommended to use a tester, which will allow you to more accurately determine the purpose of each wire.

Connection diagram for hob and oven

A two-phase network, which has a standard voltage of 220 V, is extremely rare. As a rule, such communication can be seen in new buildings. In this case, the color black (less often brown) is used to indicate the phase. Zero has the usual blue tint, ground is determined by a yellow-green wire.

The last connection diagram is three-phase. In such a system, zero and ground have standard colors. In turn, the wire corresponding to the phase can be indicated in yellow, red or green.

Helpful information! According to another shade scale, the colors of the phases can be as follows: white, black or brown.

Existing technical requirements

We strongly advise you to analyze your individual capabilities before deciding to purchase a hob.

  1. Type of electrical networks. They can be modern with grounding and a neutral wire, or old-style with only a neutral wire. Such electrical wiring does not comply with existing requirements for the safe operation of electrical appliances. Especially those that may have direct contact with liquids. Cookers are one of these devices.


    The wiring in the apartment must correspond to the power consumption of all available devices

  2. Power. Depending on the number of panels, the power varies, on average it is 5–7 kW, some models can have a power of 10 kW. This is a very large additional load on the network; old wiring cannot withstand it. It is interesting to know that in houses built 30 years ago or more, the electrical wiring and all RCDs were designed for a total power of 3 kW. The wires are aluminum, twisted in the distribution boxes, and there is no grounding. Such wiring cannot withstand a significant increase in loads.


    The more powerful the hob, the higher the load on the wiring

  3. The need to obtain permission from the owners of energy networks. This is due to the fact that not all high-voltage transformers have a large reserve power reserve; a sharp increase in consumers can cause emergency situations.


    Failure to comply may result in fire

If you live in a Khrushchev-era building, then installing a powerful hob without installing new electrical wiring, replacing safety fittings and obtaining consent from authorized organizations is prohibited. The same applies to old village houses.

Connecting the hob to the electrical network: single-phase and two-phase options

The greatest number of questions arise if it is necessary to connect the cooking surface to a network whose voltage is 220 V. Situations are especially problematic when the number of panel wires does not match the number of cables in the network. As an example, we can take the Hansa electric stove. Such a device is connected via 6 wires.

Hob connection diagram - single-phase version

If the network includes 3 lines, then the problem of connecting such a panel can be solved quite simply. For connection in this case, special jumpers are used, which are quite easy to purchase at any specialized store. Sometimes they are sold complete with the device. If necessary, you can do them yourself.

How to connect the stove in this case? Before connecting the device to the power supply, it is recommended to carefully study the instructions. The step-by-step process for connecting a panel to a single-phase system is as follows. The first thing to do is to find the lid on the back of the cooking surface. Next you need to open it. To do this, you can use a regular screwdriver. The terminals are located under the cover.

In the event that there are 6 terminals, and there are only 3 cables in the apartment, it is necessary to connect the contacts. To perform this operation, you will need to connect 3 wires that correspond to the phases with each other. Next, one neutral cable is connected to another. There is no need to touch the earth. The result is 3 lines.

In some models, the device already has jumpers. In such a situation, it is easiest to connect the hob. You just need to connect the network wires and the contacts of the electrical appliance. Video materials on this topic will help you answer the question of how to connect an electric stove yourself.

Two-phase connection diagram for a 380 V electric stove

Note! Single-phase networks can consist of only two wires. In this case, you need to act differently. In such a situation, a mandatory item is to purchase a separate circuit that will be used for grounding. If you ignore the ground connection, then the device can quickly fail.

Two-phase slabs are very rare. Often, when installing such a device on their own, people encounter difficulties. However, there is nothing complicated about it. When connecting such devices to a three-phase network, one of the cables is insulated.

How to connect the hob to a three-phase power supply (380 V)

Before connecting the cooking device to a three-phase electrical network, you must prepare a special cable. It should contain 5 copper conductors. The cross-section of each element in this case is 2.5 mm². Moreover, it is not so important what kind of cable it is. Both single-core and multi-core options are suitable for this.

Related article:

Sockets in the kitchen: location, diagrams and design features

How many sockets are needed? Placement rules, diagrams, norms and recommendations. Features of installing sockets for various devices.

Before connecting the hob and oven, you must check the network for the absence of current. In this case, the jumper is used only for two wires, which are zeros. These cables are designated by the Latin letters N. Thus, the jumper is used for wires N1 and N2. It is worth noting that some models of hobs have digital line designations. In this situation, the zeros correspond to the numbers 4 and 5.

As for the phase wires, they must be connected to each phase (one at a time). The diagrams in the pictures help you understand how to connect an electric stove. It is also recommended to study the relevant video materials. As mentioned above, the color of phase wires may vary depending on the standard. The most common cables are red, yellow and green. When connecting, you should be careful, as there is a possibility of incorrectly connecting the wires to the plug.

With a three-phase network, the neutral (zero) is connected at the top, and the ground, on the contrary, at the bottom. In turn, the wires indicating the phases are located in the middle. This order must also be followed at the outlet.

Connecting the device to a three-phase 380 V network

Connecting the Electrolux hob (4 wires) to a three-phase power supply

Most models of hobs manufactured by Electrolux are sold complete with a cord. However, this is not always an advantage, since many people get confused when connecting the device to a three-phase electrical network. This is due to the fact that the cord contains 4 wires: neutral, ground, and two phase lines. Before starting installation, you need to study all the nuances of the work.

Connecting the Electrolux hob should begin by opening the cover, which is located on the back of the device. This will allow you to access the terminals. At the next stage, you will need to find the “ground” exit, which has a traditional yellow-green color. In close proximity to it there should be a jumper with 2 inputs.

Note! The instructions that come with the device will help you answer the question of how to connect an Electrolux hob.

Then, using the jumper that was discovered earlier, you need to combine the two outputs for the phases. They are designated by the Latin letters L1 and L2 (black and brown). It is important to remember that only the brown cable is used to connect the plug. In turn, the black line will need to be carefully insulated.

Before installing the Electrolux hob, you need to study all the nuances of the work.

Connection terminals

For different models of hobs, the terminal boxes may have different designs, but all of them are necessarily equipped with contacts for connecting the following conductors of the power cable.

  1. Phase terminals for connecting power supply L1, L2 and L3.
  2. Contact for connecting the working neutral conductor N.
  3. Terminal for connecting protective grounding PE.

As mentioned above, to connect panels to a single-phase network, it is necessary to install special jumpers on the phase contacts. For a two-phase network, one jumper is installed. The two neutral conductors are bridged for any connection. The figure below shows a diagram for installing jumpers for all types of electrical networks.

Most often, jumpers are included in the delivery of hobs. It is important to install them correctly and not to confuse the contacts. Otherwise, a short circuit may occur or the panel simply will not work. The bottom photo shows the most common connection option inside the hob terminal box for single-phase electrical wiring.

Before performing manipulations with the device connection terminals, you should study the instructions for connecting the purchased equipment. The body of most hob models also contains a detailed connection diagram, type of terminals and location of jumpers for different connection options. This will allow you to avoid basic mistakes when connecting panels, which we will discuss below.

Features of connecting an electric hob

All modern hobs are divided into types depending on the principle of operation. According to this indicator, electric, induction and gas appliances are distinguished. Connecting each of these types of equipment has its own characteristics. Panels operating from the mains require mandatory grounding for any number of phases.

When installing such a panel yourself, minimal knowledge in the field of electrical engineering will be useful. It will be much more difficult for a beginner who does not have such experience. You will need to study the design features of the device in detail and follow the instructions for connecting the electric hob. Typically, electronic models have all the parts needed to get the job done.

It is important to remember that when working with electrical equipment, you should remember the safety rules. Before starting the connection, it is necessary to turn off the power to the apartment (disconnection is performed on the panel). All work must be done carefully. Checking the final result allows you to avoid many problems.

Connecting Bosch hobs to the electrical network, as well as other modern devices, is usually done using a four-core cable. It is worth noting that electric models are gradually fading into the background. They have been replaced by more functional induction devices. Their peculiarity is that they do not heat up themselves, but act directly on the dishes.

For correct installation and connection, it is necessary to study the passport for the product being installed, as well as the manufacturer’s recommendations for installation and maintenance

Electrical installation kit

To connect the equipment to the electrical network, you will need to prepare:

  • cable for laying the line;
  • circuit breaker;
  • socket;
  • fork;
  • flexible wire.

All installation equipment is selected depending on the power of the VP. Having it at your disposal, you can begin direct electrical installation. Additionally, you may need crimp sleeves, solder, electrical tape, heat-shrink tubing and other small items used when working with electrical wiring. Also, depending on the chosen connection method, you will need a socket box or junction box.

Requirements for electrical wiring and its installation

To turn on a built-in electric stove, you need to use a cable coming directly from the electrical panel. That is, it is important that it be laid directly without the use of junction boxes with branches. It is necessary that the cable only powers the hob. The fact is that such equipment is very powerful, so if other equipment operates from the wire, it may overheat, causing a short circuit.


Wire 5 cores for 3-phase network

If the house or apartment has old wiring, and there is no powerful socket with a direct cable from the panel or meter, then you will need to lay a new separate line. From the desired location of the outlet, a vertical groove is made to the ceiling. Next, horizontal grooves are carried out directly to the cable connection point. If you plan to use suspended ceilings in the future, then the wire can be fixed directly to the floor slab, since in the future it will be hidden.

Note! The hob is a reliable, but not timeless piece of kitchen equipment. Perhaps over time it will break and there will be a need to replace it. For this reason, it is advisable to initially lay the electrical cable with a reserve cross-section that can safely power a more powerful built-in electric stove.


Cable in groove

The line for the electric stove is laid using 2 types of cables: VVGng-Ls or NYM . Their throughput is selected based on the power of the built-in equipment.

Table 1. The ratio of the cross-section of the cores and the power of the hob.

power, kWtCore cross-section, mm2
1-phase network3-phase network
3-52,51,5
5-7,542,5
7,5-1062,5

These types of cable are used to lay lines directly to the outlet. They consist of a monocore, so they have little flexibility. For this reason, flexible wires are used directly from the plug to the hob: KG or PVS . They are often included as standard with the electric stove, so there is no need to purchase them separately.


Flexible extension cord

Selecting an outlet and requirements for its installation

The socket for turning on the panel can be located depending on the characteristics of the countertop, as well as personal preferences. It is important to maintain the convenience of turning the hob on and off. As a standard, it is placed at a height of 90 cm from the floor.

If you want to hide communications, you can fix the socket directly below the bottom of the lower kitchen cabinets. With this placement, access to it is provided through the space created by the height of the legs of the bedside tables. It should be raised above the floor to a height of at least a few centimeters so that in the event of a leak, the electrical contacts do not get wet.


Socket under the cabinet

Connecting the hob through an outlet, rather than directly to the panel, has its advantages. Although you will have to do a more complicated installation, it will be easier to turn it off in the future when you wet clean the stove. If you connect without a socket and plug, you will need to go to the electrical panel, which is not so convenient.

The 2-burner stove can be powered through a regular outlet. More powerful equipment requires special switches. They can be made of ceramic or plastic. Sockets from 10A .

Attention! To connect to a 1-phase 220V , plugs with three contacts are used, and for 380V , with five.

Selecting a circuit breaker

The line for connecting the built-in electric stove must be laid through a circuit breaker. This is a mandatory requirement since the slab can create network overload. At critical loads, the switch will prevent a short circuit. It is very important to choose it correctly, in accordance with the power of the stove. If the cable itself for the panel can be used more powerful, then the circuit breaker must fully comply with it.

You should not save on purchasing it, since cheap devices often do not work or turn off even when the stove is operating in normal mode with a low load.

Prices for automatic machines

Difavtomat


Standard shield machine

Table 2. Correspondence of the current of the machine to the power of the stove.

Circuit breaker current, ACircuit power
220V360V
51.12.6
61.33.2
81.75.1
102.25.3
163.58.4
204.410.5
255.513.2
32716.8
408.821.1

Video - How to choose a hob for your home

How to connect an induction hob: algorithm of actions

Connecting an induction hob is similar to a similar process involving an electrical panel. However, there are some nuances that require consideration. First of all, you need to prepare the tools and materials necessary to install the device.

Connecting an induction device begins with wiring an independent power line from the junction box. Next, you should install the socket box. Correct selection of height is very important here.

Helpful information! The distance from the floor to the electrical appliance should not exceed 90 cm. There are two ways to route the cable to this device: hidden and in a mounting box fixed to the wall.

The next step in connecting an induction hob is connecting the cable from the device to the panel. The connection is made to a separate circuit breaker. Do not also forget about the grounding loop, which is very important in this case.

To seal, you need to glue the seal supplied by the manufacturer

After the socket box is installed, it is necessary to strip the ends of the cables. Next, they need to be inserted into the socket terminals and secured in this position using special clamps. Then you need to install the power socket for the hob in the socket box. The plug of the integrated brewing unit is connected using a similar method.

For a single-phase network, the voltage of which is only 220 V, copper jumpers are used. As an alternative, parts made of brass are suitable. Before connecting the device, it is recommended to draw your own diagram that meets specific conditions. Maintaining paired cables is a mandatory rule when connecting an induction hob. How is the connection process completed?

The three phase lines are connected to each other. The same must be done with the two wires corresponding to zero. After connecting all the cables, you can close the terminal box. It is very important to check the device after finishing work.

Nuances of choosing a plug and socket

Special power sockets for the hob are used. They are made of high quality plastic. The rated current indicator should not be less than the current of the machine.


Socket option for three-phase method

The configuration of such mechanisms can be varied, but it is necessary that the electrical network indicators and contacts correspond to the product. You can connect the wire from the device to the terminal box.

For a three-phase circuit, a Schneider Electric box is used. It is expensive, but durable. It is also used for 220 V networks. Three pairs of contacts are used to connect the phases. Wires are supplied from one end for power, and from the other for the device.

To save money, you can purchase a block with high-quality contacts and a special box. The lines in the terminal blocks are connected as follows: copper cables are made into rings into which screws with plates are installed. The contact must be tightened using a screwdriver.


Correct installation of sockets


Each cooking device comes with special instructions for installation work.

Knowing the basic rules and nuances, you can connect the hob yourself.

Choosing the right socket for the hob

In order to correctly connect the cooking surface to the electrical network, you need to select a suitable outlet. Today you can find a huge variety of different types on sale. It is recommended to pay attention to special devices called power devices. They are made of durable plastic material and are most often designed for current strengths exceeding 10 A.

Sockets for connecting an electric stove

Such sockets for hobs and ovens are divided into two types: two-pin and three-pin. The connection process is carried out using the power plug and the socket itself. There is another connection option, which takes into account the direct connection of the hob to the terminal block of the distribution box.

If necessary, you can purchase a regular block and a separate installation box. In order to connect cables in such a terminal block, you must first strip the end of the copper wire. Then rings are made from it into which screws with plates must be inserted.

At the next stage, the prepared wire is fixed in the socket under the hob. The oven can be connected using the same circuit. You need to purchase a separate outlet for it.

Note! It is possible to connect two electrical appliances to one outlet.

To connect the oven use a separate socket

The cable fixed in the socket must be tightened using a screwdriver. The best option for installing a socket when installing an oven is to fix it below the level of the box. However, the electrical appliance should not be too close to the floor, as this may lead to a short circuit if the water supply leaks.

Connecting the hob and oven to the electrical network is carried out taking into account safety precautions. It is very important to strictly follow the installation algorithm. Any deviations from the instructions may lead to device failure.

Power plug for the hob: tips for choosing

The reliability of connecting the cooking device to the electrical network depends on the choice of power plug. The choice of this element is made taking into account several nuances. The appearance of this part plays a secondary role.

It is worth noting that it is not recommended to use ordinary plugs when connecting a hob for cooking. This is due to the fact that over time their technical characteristics deteriorate. Experts advise using only power parts for such purposes.

The reliability of connecting the cooking device to the electrical network depends on the choice of power plug.

The main requirement for plugs for electric stoves is reliability. The part must be made of high-quality, heat-resistant material. To connect the stove and electrical communications, it is very desirable to equip a separate line, which will include a special-purpose socket.

A common mistake is connecting the wires to the plug incorrectly. When performing this operation, you need to check the correct connection several times.

It is worth noting that, if desired, you can connect the hob and oven to the same outlet. As a rule, at this stage, inexperienced people encounter problems. If you do not have special knowledge, then it is recommended to choose the simplest general connection option - installing a paired socket.

Socket and plug

The hob must be connected using power sockets and plugs or a terminal box. Power sockets and plugs are designed for currents greater than 10 A, are made of special plastic, and may have a cover. The selection rule is simple: their rated current should be no less than the current of the machine. That is, to connect an electrical appliance up to 7.7 kW to a single-phase network, we take 32 A, for a three-phase network - 16 A.

What sockets and plugs for a hob might look like

There is no single standard, so the shape and location of the pins may be different, it is important that there is the required number of contacts and that the electrical characteristics match. It’s clear: it’s better to trust trusted brands rather than Chinese products

You can connect the cable from the device and the power supply in the terminal box. This method is also called permanent connection, “direct” or “direct”. It is more reliable, but to turn off the stove you will have to go to the electrical panel and turn it off with a switch on the RCD or automatic circuit breaker.

Terminal box for three-phase network

For a three-phase connection, it is better to use a Schneider Electric 102x100x37 IP44 40A (KLK-5S) box. It's not cheap, but it's reliable and looks decent: you don't have to hide it. It can also be used for a 220 V network - a wire with a cross-section of 6 mm2 will fit into the terminals and the extra phases will simply be empty. To make the connection, the wires are inserted into the holes on the side, and they are tightened with bolts, the heads of which are visible in the photo.

As you can see, at the top there are three pairs of contacts for connecting phases (1,2,3). Below - for ground and neutral. The power cable is connected on one side, and from the electrical appliance on the other.

If you wish, you can save money and buy a simple block, but with good quality contacts and a separate mounting box with a lid.

Simpler option

The wires in such terminal blocks are connected simply: rings are formed from the stripped end of the copper wire (as in the photo above), into which small screws with plates are inserted. The wire is inserted into the socket, the contact is tightened with a screwdriver.

If the wire is stranded, it is problematic to make a ring out of it. Then you can use the tips (photo at the beginning of the article). They are crimped using pliers (can be replaced with pliers).

These are all the main points. Now connecting the hob yourself will not be a problem. The same rules apply when connecting other equipment of the same power. For less powerful ones, it will only be necessary to take a smaller cross-section of conductors and a lower nominal value of the machines.

Expert advice on connecting hobs and ovens

Before installing and connecting the cooking surface, it is recommended that you read the advice of specialists. During installation, it is necessary to use a special sealant that is applied to all joints. It is very important that the composition has good resistance to high temperatures.

Its service life depends on the intensity of care of the hob.

The correct socket must match the power of the hob. Only in this case will the operation of the device be safe. The socket under the hob should also be made of high-quality materials. It is not recommended to purchase the cheapest options, as they are most often sold with defective elements.

Note! Its service life depends on the intensity of care of the hob. Preventative cleaning helps extend this time and also helps prevent various problems.

To connect such equipment, it is strongly recommended to install a separate power line from the panel. In order to check how correctly the equipment is connected, you need to use a special device – a multimeter.

If desired, you can connect the hob and oven to one outlet. For this purpose, a special electrical device is used, which has two inputs for power plugs.

To check how correctly the panel connection is made, you need to use a special device - a multimeter

It is not recommended to combine devices from different manufacturers yourself. This is due to the fact that a beginner may make a mistake when choosing conductors. For independent connection, it is best to choose equipment manufactured by one company.

Final part

As you can see, there is nothing complicated about connecting an electric hob to power supply networks yourself. With minimal knowledge in the field of electrical installation work and the necessary tools, any device owner is able to cope with this task. Of course, laying a separate power line for the device and installing the equipment in the distribution panel will require higher qualifications, but in new houses this will not be necessary. In older buildings, it will be necessary to lay a separate line or change the entire internal wiring.

Common mistakes when connecting the hob to the power supply yourself

In some cases, miscalculations made when connecting the cooker to the network can lead to serious consequences. The stove may simply fail or cause a fire. In order to eliminate the possibility of making mistakes when installing the stove yourself, it is recommended to pay attention to common omissions.

Quite often, people who do not understand electricity have difficulties when choosing an outlet for the hob. It is important to remember that it is strictly forbidden to connect induction cookers with a power exceeding 3.5 kW with standard 16 A plugs and sockets. The power of the hob is a mandatory factor that should be taken into account when connecting the device yourself.

Quite often, users of such panels complain that the devices turn on and off on their own. As a rule, this behavior of the device is regarded as a wiring error, but this is not always the case. The most likely reason in this case is the operation of a program included in the feature set of a particular model. For example, when you press a large number of buttons, the child lock mode may be triggered.

The power of the hob is a mandatory factor that should be taken into account when connecting the device yourself

To connect a Bosch hob (or any other) with a power exceeding 7 kW, you cannot use wires with a cross-section of 2.5 mm². If the panel does not turn on, it is recommended to check the terminals. In this case, one of them may not have a phase jumper.

Another common mistake is single-phase connection of three-phase devices. This error is identified quite simply. In this case, when the stove is turned on, only half of the burners are functioning. In order to solve this problem, you must carefully study the instructions that come with the specific device. To repair the plate, you will need to reconnect the terminal blocks.

About the demand coefficient

The demand coefficient is calculated using the formula Ks = Рр/Рн, where:

  1. Рр – design power.
  2. Рн is the total power of electrical consumers, in our case the oven and hob.

In simple words, if the demand coefficient is 1, this means that it is possible to simultaneously use all electrical appliances on one network at maximum capacity. But in practice this rarely happens.

For example, 0.7 indicates that electrical appliances are used separately or simultaneously, but not at maximum loads, provided that they are connected to one point.

Below is a table for calculating the power consumption of an apartment taking into account the demand coefficient.

What do we mean by this? And the fact is that if with a wire with a cross-section of 4 mm2 and a load it can withstand of 5.9 kW, you can purchase electrical appliances that in total consume more power.

For example, you liked certain oven and hob models that consume a total of 8 kW at maximum load. But you do not plan to use these electrical appliances in this mode.

We multiply 8 kW by the demand factor of 0.7 (you can take less, but this figure is the most optimal), we get 5.6 kW, which suits you quite well.

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