There are 3 types of wiring installation, regardless of the cable laying conditions: open, closed and combined. The easiest way to install is open wiring. It is convenient in that it allows you to easily change, add cables to common nodes, any part of it is easily accessible for repair and connection of new pantographs.

In this case, you do not need to gouge the walls in case of damage to the cable and eliminate the cause as with closed wiring. Typically, open cabling is used in office environments where new cables and wires have to be installed frequently. The disadvantage of this method is low aesthetics, and in this regard, open wiring in residential premises is very rare.

Nevertheless, in the individual residential sector, in the country and in the back rooms, it is used quite often, the more there are modern ways of solving aesthetics. The stores sell skirting boards with cable channels, or you can purchase special PVC, copper control cable channels for any cable section.

1. Gasket with special fittings - With this method of installing open wiring, special fittings are used, designed for the installation of wiring devices (switches and sockets), or a gasket with special fittings (system of insulating boxes).

2. Gasket without special fittings - In this case, changing the direction of the wire (corners) is performed by cutting the boxes at an angle of 45 °. It must be remembered that the incisions are made carefully, with great care, leaving no gap between the joints.

Open wiring of flat wires such as APR, APPV, APRV on combustible bases is carried out over a layer of sheet asbestos with a thickness of at least 3 mm, protruding from each side of the wire by at least 5 mm.