How to make ground with their hands in the Khrushchev

Preparations

Before starting any work on the installation of grounding, it is necessary to contact the house management or ZHEO and get permission and a key to the electrical panel.Sam electrical shield can be either in the entrance of the house or in the basement.For Khrushchev was typical shield placed on the landing.

What should be at hand?

Any work requires the necessary materials and tools.For the ground, you will need:

• Stranded cable;
• Screws, washers;
• Electric drill and drill bits of various sizes;
• Screwdriver;
• Nippers and pliers.

Procedure for activities on earthing of Khrushchev

prepare all the necessary tools and taking the key from the switch board an electrician, or the inhabitants of the entrance, you can begin to perform work.First of all, open the electrical panel and check for the presence of a ground.If it is there, it is necessary to reach out to him directly from the apartment.To do this, take a thick stranded wire and pull it from the wall outlet to the place in the panel where a plurality of cables are concentrated.

further course of action in the electrical panel

• cable attached to the wall, and its end is trimmed by about 3 cm;
• wire braid is divided into two parts, between which is inserted a bolt or screw;
• Then pliers curl the ends of the braid, thus forming a tight ring that corresponds to the diameter of the bolt;
• get a ring of wire fastened to the body panel;

second part of the apartment

• cable is trimmed by a few centimeters and is screwed to the back of the washing machine or other electrical appliance on its metal chassis.Manufacturers of household appliances have provided this time and place designated for grounding icon with the letter "T", but inverted.In addition, under it even has a special hatch or inscription Ground (GND);
• If you need to do grounding outlet, the cable is in this case connected to the third terminal specifically provided for this purpose.

Which wire used for grounding

As we have seen, it has to be thick-stranded (eg, 3-wire) cable yellow-green in color (according to PUE 1.1.29).It is preferable to take copper wire having good electrical conductivity, flexibility, and oxidation resistance.

Wire size may vary, depending on the electrical power supplying the ground, but at least he lived wiring section.

Pay attention to the cable brand, the choice of which will depend not only on the level of fire safety, and especially its application in different environments:

• DMN (Copper sheathed in extruded meloreziny);
• PVA (. Is used to connect to electrical appliances Installation is performed at t + 40 ° C);
• VVG consists of copper conductors and PVC insulation.Great for laying ground in hrushevkah as easy to install and resistant to high humidity environment;

During the execution of works necessarily follow the rules of electrical safety for the preservation of their health and life.It is also forbidden to ground by attaching the cable to the heating or sewer pipes.