Tube-mounting for the input of electricity to the site or to the house

The electrical cable can be laid in two variants, air and underground. For someone more appropriate for the second option, but for someone it is not feasible because of the distance and a number of other conditions. And therefore, most often owners of country houses prefer to choose an air way of laying electric wires from the power line support to their homes.

First stage

It is difficult to imagine a cottage or a country house without electricity. The organization of supplying energy to a residential building is a very important matter, because the reliability of the power supply at home and, most importantly, its safety depends on the result. Work on connecting private houses to the power line (LEP) must be carried out only by the specialist of the institution in whose property it is located. When choosing the air way of laying the cable, a pipe-string is required. To introduce electricity to the site without this thing can not do. It is a hollow metal pipe, which is designed for fastening and hanging cables and wires.

Not deviating from the rules

It is allowed to mount other equipment on such specialized racks, including receiving and transmitting antennas. By the way, a pipeline for the introduction of electricity may be necessary and with the underground method of piping. After all, if the distance from the ground to the input into the building is less than 2.75 meters, then its application will also be required. This is necessary in order to avoid accidental contact with the wires, but only its length will provide a distance from the surface of the earth to the point of entry.

Learn more about using

The tubing for the input of electricity is a piece of pipe bent from above, which is fixed on the roof or on the top of the wall of the house. From there, this object can go inside. In order to mount the pipe pipe on the roof, use steel extensions. To the wall it is fastened with the help of staples and screws. Through the end of the pipe, wires are introduced and output both to and from the building. In a literal sense, the pipeline pipe for the input of electricity is the entry point of the electric cable to the building, from where it will be fed further to the power receiving devices.

The specific and main task of this thing, sometimes called "gander" in the environment of electricians, is the protection of the object, that is, in this case, of a residential structure, from any potential ignition risks, plus it is also a guarantee of reliable protection and maintenance of the power cable passing inside.

Bringing to the site

If the distance between the power line and the house is more than 20 m, it is necessary to put an additional pipe-rack for the introduction of electricity, approximately somewhere in the middle of this gap. This will avoid breaking the cable from its own severity or from environmental influences, for example, from strong wind and other precipitation. Between the points, a special cable is pulled, which prevents the wire from sagging. The conductor is fastened to it with clamps. If you need to pull the cable over the roadway, then its height above the ground should be from 6 meters and above. Over the roads for pedestrians it is allowed from 3.5 meters and above, but in no case is not lower than this value. It is forbidden to wiring through trees and bushes.

The nuances of air laying

A special metal pipe-riser is used both as a channel for the cable, and as a support, which serves for fixing insulators. Because to mount them to it is much more convenient and easier than to the wall of the building. For connection and reliable fixing fit self-tapping screws, bolt clamps and any other fasteners for metal. The tubing for the input of electricity must be connected to the ground wire. From the roof surface cable is located at least two-meter gap. Actually, as for the wires, then any kinds that correspond to the requirements of external wiring are applicable.

Without departing from the standards

If there is a possibility, can some types of work be done on their own? A concrete example: whether there will be any problems with electric systems, if on its own it will be made a pipeline for the input of electricity? It is allowed to perform it by its own hands , provided that the result is fully consistent with the specifications. This element is made of steel pipe. If you need to input two wires, then its internal diameter should be 20 mm, and under four wires - 32 mm. To avoid getting into the pipe moisture, the end of it should be bent down, literally deployed in the form of a hook 180 degrees in the opposite direction, that's what a pipe-resistant pipe should look like for the introduction of electricity (photo). Surface from the inside to protect against corrosion must be treated with bitumen, but it is possible and simple oil paint. The edge of the pipe in place of the sipe must be cleaned with a file to eliminate burrs, which can damage the insulation of the cable.

Choice of wiring

Previously, before 1991, wires that did not have insulation (AC brand) were used to make electricity supply to the site. But in our time there is a pattern designed specifically for air laying of the cable. This specimen has insulation, which even big temperature changes do not frighten. There is at it one more big plus: such cable does not stretch and at a lining and does not require presence of a supporting cable. The choice when buying will not force you to rack your brains, because such a wire is presented only in 2 types: four-wire and two-wire. In addition, one can not fail to note another important advantage: for this type of cable on sale, there are many additional accessories designed to connect it with attachments. These are very convenient gizmos, which do not require any special effort during installation. It is worth paying attention to this.

Mounting Features

You can install a pipe-rack for the input of electricity in 3 ways:

1. Mounting on the roof of the building.
2. On the wall.
3. In the form of a separate design.

In the first case, the product is mounted directly on the roof, the pipe then passes through the roof structures and is insulated from the reverse side by means of a porcelain bushing. Electrical switchboard with this option is organized inside the building. The complexity of this assembly concerns the need to make a through hole in the roof and then seal it.

In the second case, the tubing is installed directly on the wall of the building. Passing through the septum, inside it enters the shield. There, and organize the primary distribution of electrical lines on the site. This installation option is considered to be simpler and safer, because the power cable is routed through the non-combustible part of the wall.

And the remaining option is considered the most common. There is a structure of 2 pillars, one of which is designed for the power-receiving unit of the electrical panel, and the second is a pipe-mounting for the introduction of electricity into the site. The construction is mounted on the border of the territory and provides the usual connection of electricity at the facility. With this method, the point of entry of electricity is completely separated from the house. This explains its relevance.

Technical issues

In each of the listed options, the tubing is a separate engineering structure that has its own specific features and meets the requirements for the objects. Taking into account the above, it is possible to distinguish the main thing: a pipe stand for a counter requires special attention to specific structural elements:

1. Isolation of the cable to be connected.
2. Selection of insulators: porcelain insulators and other systems (taking into account the features of the facility).
3. The shape of the pipe. Bending at the right angle depends on the method of installation, for example, it enters the wall at an angle of 90 degrees with a terminal on the power receiving equipment.

Additional nuances

The installation of a pipeline for the introduction of electricity also requires attention to additional technical specifics. Mounting the entry through the wall, one must take into account the occurrence of a temperature drop, since it will condense the liquid from the colder air from the outside. In this case, the conductor must be protected from moisture. To do this, drill a hole in the lower surface of the pipe at the point where it bends. For reliability and quality, the choice of materials and the installation itself is best entrusted to professionals. Correct entry of electricity into the house is a guarantee of its uninterrupted supply from the energy carrier and distribution, which affects the operation of all machinery and household appliances.

Reliability in the first place

If you are to buy pipe-pipes, first of all, you need to study all the constructive nuances of the product. It should not be neglected, since the right choice will affect the safety and longevity of the selected specimen. Information on the implementation of it and the features of installation can only be given by a professional. Because, it is the experienced master that will take into account such indicators as the risk of glaciation, wind load, and other factors accompanying the stay of the structure on the street. And it should be noted that the cost of installing the tubing by a specialist is not so high, but the possible risks of self-installation with a violation of technology, have the opportunity to cause much greater damage.

Preliminary Steps

The commencement of the introduction of electricity to the site is, first of all, the documented approval of the project and obtaining permission after considering all the technical conditions in the power supply organization. After the "go-ahead" to the work plan from the aforementioned instance is obtained, it is possible to invite a specialist who will make the wiring installation according to the certified document. The introduction of electricity into a private structure involves the installation of all components of the internal network. Counters and switchgears are installed. Strictly speaking, the introduction of electricity into the house is carried out by the forces of contracting organizations.

Design tubing

Consider the situation when the technical conditions of the owner of the site have already been received and now it is necessary to connect the house to the network, but the height of the tubing to enter electricity does not allow it to be entered into the landscape without spoiling the appearance of the site. In this case, you can hire specialists who will produce for you an individual pipe-pipe, which will preserve the harmony of your site, and will not break out of its style. In this case, it will fully comply with all technical conditions. As an option: having executed a pipe-pipe exterior "under the birch" or in the form of an abstract figure, the master-designer will disguise the intervention of civilization and will not spoil the aesthetics of your rest.

Self-Installation

During the installation of the electric line in the house, on the pipe-pipe, it is necessary to perform the zeroing (that is, to connect the pipe to the zero core). For this, a metal bolt is welded to the so-called gander, placing it near the insulators of the input. The installed tubing will constantly be under tension from the tension of the tap wires. To compensate for this, drawers are used from a round steel with a diameter of 5 mm. Such support is fastened in rings or bolts, specially welded to the counter closer to its upper bend for this purpose.

When installed in a tubing, pass a steel wire or wire rope with a diameter of 3-4 mm to pull wires through them to the inside of the tubing. For easier wire pulling, they are pre-wiped with a soft cloth, and the tubing itself is blown from the inside with dry talc. After the cables are stretched, the ends of the pipe are poured with bitumen or covered by packing to the edges of Portland cement moisture resistant putty.

A couple of tips in custody

To the wall, the tubing is attached using brackets and screws. For this purpose, in concrete, as well as in brick walls, they specially arrange nests for screws, both for hooks for insulators. Bolted connections, it is necessary to carry out with the use of stopping additives, such as locknuts, spring washers, wire. This precaution will not be superfluous, as the pipe-mounted on the roof or even on the wall will be prone to frequent swinging from the effects of winds, so that the screws are not self-unscrewing. And yet, in addition, all the bolted connections at the end of the installation of the input must be abundantly lubricated to protect against corrosion by technical petroleum jelly or some other lubricant.