It has double insulation: 1-PVC overall 2-I each lived in pvc. Isolation had thinner than that of nym and vvg, but not too bad. If you take punp Moscow plant, the isolation he would have thicker than other manufacturers. Now choose cable size, and number of cores. According to the existing standard wire should be three-wire. Normal color combination of live wires: Nil – blue, Phase – white, earth – yellow-green. Conductor cross-section for sockets – 2,5 mm2, for lighting – 1,5 mm2, and for electric cooker – 4mm2.
The Council's choice electrics. Consider the three manufacturers – abb, legrand, and dec. In the abb machines all wires inside and outside copper clamps, which improves the contact with the wire and reduces heat. Disabling the circuit breaker when network congestion occurs for a few milliseconds faster than the dec. In automation legrand wires inside and outside the copper-clad grip contacts.
It is good quality and cost in one line with abb. In elektroavtomatah dec clamping contacts metal. Operate normally, provided they are native. Disabling is a little slower than abb and legrand. in the apartment must be reliable. It affects the security of your home. Any automatic system must be taken in special stores, such as: 'WIRING', 'CABLE-WIRE', etc., where they can confirm the quality of the product. This is to prevent forgery. Automation the market may cost more and be of dubious quality. Work in the electric panel or under stress should be carried out only a professional electrician.