Power outlets. Power outlet for electric stove

To connect a powerful electrical equipment, such as an electric oven, an electric stove, it is mandatory to install power sockets. Unlike conventional products, they have amplified input and output terminals, which are rated for current, with a power of 25A and higher. During operation of energy-intensive household appliances, the contacts of such outlets do not heat up, which is their most important feature - this reduces the risk of melting insulation and the occurrence of a fire to almost zero.

Types of power outlets

Power sockets are usually divided into two large groups - open and closed installation. In the first case, the products are placed directly on the wall, and they are installed when the wiring is open. The sockets of the closed installation are "drowned" in the wall, which makes them almost invisible and protected from damage. Sockets are also different in magnitude of the current strength with which they are able to work. There are rosettes on 25A, 32A, 63A and 125A. The power of the products must be coordinated with the power consumption of the electrical equipment.

Degree of protection

According to the level of protection from external factors, power outlets are marked with a binary number, where:

• The first digit indicates the size of the particles from which the product is protected (0 - no protection, 6 - dustproof);
• The second digit indicates the level of protection from water and moisture (0 - has no special protection, 8 - is able to work even under water).

Sockets of a lower level of protection, for example IP22, are recommended for use in places with normal air humidity - bedrooms, living rooms.

Purpose of power sockets

The selected power outlet must meet all safety standards. Therefore, going to the market, familiarize yourself with the purpose of these or other types of power outlets:

1. Power socket with grounding. In addition to the connectors for electrical appliances, it has a special plug type F, CEE 7/5 or earthing pins CEE 7/4. Such products provide grounding of the equipment even before the fork touches the contacts.
2. Products with protective curtains. The sockets of such outlets are protected by plastic "doors", which are retracted when the plug hits two contacts. They have a high level of protection and are installed in children's and bathrooms.
3. Connectors equipped with ejectors. In the design of these products there is a special button, when pressed, the inserted fork is pushed out with a special spring mechanism.
4. Power sockets with a protective shutdown device (RCD). Such devices in the event of a short circuit, multiple increases in load, open the circuit and stop the supply of electricity. Used in places of increased danger.

It is possible to allocate still "smart" sockets which can be controlled by means of sms-messages or through the Internet. But such products are made in a separate class and should be considered separately.

Lifetime

Durability is characterized by the maximum number of connection-disconnection of electrical equipment. Quality power outlets ways to withstand at least 100 thousand cycles. This indicator depends on the design of the two elements of the product:

• Output contacts - are spring-loaded and conventional, the elements of the first type with two contact pins are considered more reliable;
• Connecting clamps - serve to connect the power cable, can be double and quick-clamping. Both designs are reliable, the second version costs more, but is easier to operate.

When selecting the outlet, it is important to pay attention to the diameter of the fork hole. In products of European countries, this figure is less by 4 mm than in domestic products. This is so-called "euro-outlet", to which only a certain type of plugs are suitable. When choosing, it is also important to remember that the distance between the inlet holes may also be different.

Choosing a power outlet for an electric stove

When choosing 220V power sockets for connecting an electric stove, two criteria should be followed. The first of these is the power of your equipment:

• At power consumption up to 7 kW it is expedient to use products with a rated current of 32A, and an allowable short-term load of 63A;
• If the power of the electric stove is more than 7 kW, it is better to choose a set of "plug-socket", designed for a current of 63A.

The second criterion of choice is the type of supply network entering your home or business. The line of force can be single- and three-phase. The most common single-phase connection type. Sockets designed for single-phase power networks have three connectors - two for the plug and one for grounding. If your house is connected to a three-phase network, then the power outlet for the electric stove should have five connectors.

Power cable selection

The first thing that needs to be considered when choosing a cable for connecting the outlet is the power of the connected equipment. Moreover, if several installations are planned to be connected simultaneously, then the power must be added up. For household electric stoves with a capacity of 5-7 kW, a copper wire with a cross section of 3x4 mm should be used. The second thing that is important to consider is the cable brand. Professional electricians recommend using a power cable brand VVG or NYM of domestic and European standard for connection of sockets, respectively. The wire of the BBG brand can have a round or flat section. As a substitute for it is the wire of the grade PVA, which is also flexible, resistant to rubbing and mechanical action.