Why is the color marking of wires marked?

The current installation of electrical wiring is unacceptable without blocking the conductors at the color insulation. Color marking is not a given fashion and not an advertising head of a picker, which, if anyone can get it, wants to clearly present their products.

Really, it's a hot need. Firstly, the color marking allows you to indicate the recognition of a skin conductor in this or another group for easing your commutation. In another way, it significantly decreases the appearance of a pardon for the installation of darts and, as a result, a short flicker for the hour of trial switching on, or an electric jet at the maintenance and repair process.

Singing colors were chosen not vipadkovo. All the diversity of colors has been reduced to a single standard - PUE. The stench is assigned, that they lived through the wires following identification for color or alphanumeric designations.

As part of this publication, the color marking of darts will be looked at. With the adoption of a single standard for color identification of electrical conductors, the work of switching has significantly improved. The skin vein, may be more recognized, is indicated by a unique color: brown, gray, yellow, green, blue thin.

The color of the marking will ring out according to the entire life of the conductor. It is also allowed to identify at the ends of the wires and at the points of connection, for which the color of the thermal tubes (cambric) or the color of the insulator are installed.

Let's look at it like a vikonan in a tri-phase, single-phase and post-strum.

Number of wires and tires for a three-phase streak

At three-phase lines, tires and high-voltage transformers at electric stations and substations are turned into an offensive rank: yellow color is used for the tires of the bus with phase "A", green with phase "B", and chervonim with phase "C".

Merezha postіynogo strumu - what color drotіv plus and minus

In the Crimean borders of the vicarious strum in the people's state, lancers of the post-strum streak are vicarious, as if they know the stasis in such areas:

• in industry, everyday life, storage of materials (navantage equipment, electrical equipment, electric cranes);
• in electric transport (trams, trolleybuses, electric locomotives, motor ships, kar'ernih self-skids);
• on electrical substations (for the life of automation and operational lances).

There are only two darts at the edge of the fast strumu. Such strings do not have a phase number of a zero conductor, and there is an extra positive bus (+) and a negative bus (-).

According to the regulatory documents, darts and tires with a positive charge (+) are filled with a red color, and darts and tires with a negative charge (-) may have a blue color. The middle conductor (M) is indicated by a black color.

Just as the double-wire electric fringe of the standing struma is made by a path leading to the three-wire lance of the standing struma, then the positive conductor of the double-wire fringe is indicated by the same color as the plus conductor of the three-wire lance, with the same z'єєн.

Colors of wires phase zero earth in electrical wiring

For the laying of the electric wires of the strum, rich wires are installed at the different colors of the insulation, which significantly simplifies the installation work and includes the slut.

Designation of darts by color it is especially important if one person is to be robbed, and the next service or repair will be taken up again. Otherwise, the rest of us will have to constantly shuffle either "phase" or "zero" for an additional probe.

Whoever worked with the old wiring, he knows, how often he comes up. Even earlier, the insulation of the electric cable, which was twisted in the butt, was one-bar - white or black.

Three hours in the SRSR, the color marking of the electrical wiring went through a low change until it was brought to the same standard. Now the leather color of the streak conductor shows its recognition for the cable.

In our time, a regulatory document that regulates the color marking of insulated or non-insulated conductors - є PUE 7, deviates to GOST R 50462 "Identification of conductors for colors or digital designations" is due to the choice of colors is not recognized.

Main managers electrical wiring markingє shvidkіst that easiness of recognition of conductors for all days, which is one of the main powers of the PUE.

Let's look at it, as if it were a burden of this year's guilty mother conductors in electrical installations of a changeable stream with a voltage of up to 1000 V and a dead-earthed neutral (up to the category of the category, there should be more administrative buds and residential houses).

Color of zero zahis and zero working conductors

Black color indicates zero conductors (N). Zero zahisniy (PE) conductor can be harvested in yellow-green late or cross-smooth. Such a combination of colors is only to be used for marking conductors that pinch (zero zahishnyh).

Sumy zero working and zero zahisniy (PEN) - blue color for all the days of the conductor with yellow-green smugs in the days (near the places of the day). Characteristically, DERZHSTANDART now allows for the opposite variant of the contagion - yellow-green smuga all over the country with blue color at the ends (at the destinations).

Seemingly easier marking of zero wires by color guilty buti:

1. 1) zero robot (N) - black color;
2. 2) zero acidity (PE) - yellow-green color;
3. 3) confusion (PEN) - yellow-green on the ends of the black marks.

Phase Dart Colors

Approximately up to PUE, with the presence of phase conductors, one of the offensive colors is expected: black, brown, red, gray, purple, erysipelas, white, orange, turquoise.

A single-phase electric lance can be built with a track in the form of a three-phase railing. In this case, the phase conductor of a single-phase lansyug behind the color is to blame for the fall of the phase conductor of the three-phase line, with the fault of the connections.

Wire marking color is guilty of vikonuvatisya in such a rank, so that the color of the phase conductor does not change from the contamination of N-, PE- or PEN-conductor. When using a non-marked cable, color marks should be put on the yogo end (at the location of the plant). In this case, for the purpose of identifying vicor, there is a colored thermo-tube (cambric) or a colored electrical tape.

To indulge yourself by zayvoї roboti at the sight of a lack of marks for additional electrical tape or tubes, before buying an electric cable, it is enough to correctly identify the color markings of the insulation. You should also bathe yoga in the required amount, so that you can ensure the same marking of breeding throughout the apartment or throughout the house.

How the cable is already laid How to apply the marking

Even more often you have to deal with such situations, if you come to the object, open the shield, and there the connection did not understand how. About the validity of the marking of wires according to the rules for years to speak. I didn’t understand de phase, but de zero that grounding. Be aware of the distribution of wires at the shield, the boxes below. Everything is to be reduced to one nedolіku, brought to spend an hour. How do you like this time? Don't work the connection in a new way.

It's a pity, today's electrician's work for the hour of installation work is subject to old standards. Through other fahivtsyam for an hour of work, connected with repairs and maintenance of electrical systems, to bring the "phase" and "zero" for the additional probe.

There is no way to buy conductors of the required color, to supply cables of any color. Golovne, that the kints lived were correctly marked for the help of thermal tubes or colored electrical tape.

Understandably, there is no need to change the exact marking of conductors, the installation of which was carried out according to the old DSTU. A year later, with the commissioning of electrical installations, new rules have been drawn up.

Let's hope: the work of laying the electric cable depends on the installer's reliability and respect. Be careful!

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