How to replace old traffic jams with automatic machines?

Owners of old Khrushchev, as well as private houses, sooner or later face the need to replace traffic jams with circuit breakers. What is it for? The fact is that electric fuses of past times are not reliable enough and, in addition, according to the rules of the PUE p. If you decide to replace the old fuses with new protection devices, we recommend that you read the instructions below. For you, we decided to tell you as much as possible about how traffic jams are replaced with automatic machines with our own hands.

Preparatory work

Before proceeding with the modernization of the home shield, you must correctly select the rating of the circuit breaker. In turn, for the right choice of characteristics, you need to determine what load your wiring can withstand, if you do not plan to change all the wiring in the apartment when replacing plugs. Enough for this determine cable cross-sectionthat runs through your rooms, and according to the table below, determine the maximum possible load:

Cross section table of copper and aluminum wires

Based on the obtained values, you can safely choose current machine.

In addition, you may want to replace the electricity meter with a new one. If this is the case, you will have to obtain permission from the energy supply company before starting work. To do this, a statement is written, an inspector arrives, checks whether the seal is broken, writes off the meter and gives you permission to replace. After all electrical work is carried out, you must again call the inspector, who will check the correct connection and will be able to re- seal electricity meter.

If replacement of the electric meter is not provided, it is possible to exchange traffic jams on automatic machines without breaking the seal on the meter, and accordingly without calling the inspector.

Also at the preparation stage you need to purchase DIN rail under the size of the circuit breaker and get a tool with insulated handles (screwdrivers and voltage indicator). After that, you can proceed to the main process.

Necessary materials

Replacement technology

So, so that you can understand how to replace old traffic jams with automatic machines, we will provide step-by-step instructions with photo examples:

  1. Disconnect input voltage. If you live in an apartment, you can turn off the light on the landing in the electrical panel. In the house, the opening machine must be in front of the counter. There is no way to completely de-energize housing? You can try to carefully replace the plugs with automatic machines under voltage. But we do not recommend doing this to inexperienced electricians, as replacement may result in serious injury.Switchboard on the landing
  2. Unload the plugs. To do this, first press the button on the automatic plug, and then unscrew both electrical plugs.Old fuses
  3. Check the voltage on the wires with an indicator screwdriver. About, how to use an indicator screwdriver to determine the phase and zero, we described in the corresponding article.Voltage test
  4. Disconnect all wires and carefully insulate the wire that is energized (if it was not possible to remove the load).Live wire insulation
  5. Completely dismantle the plugs of the plugs to make room for the installation of the DIN rail.
  6. Install the din rail in the electrical panel using self-tapping screws.
  7. Run circuit breaker connection. Input wires from the meter must be wound on top. Put the phase on terminal L, zero on N. Below you need to connect the wires going to the load. The connection diagram is provided below:Wiring diagram for protective devices
  8. Turn on the power and check if the replacement is correct.

Here, using this technology, you can independently replace traffic jams with automatic machines. As you can see, there is nothing difficult, the main thing is to be careful and understand the whole technology.

We also recommend watching a useful video that shows how to exchange old protective devices with new ones:

We hope that the instruction provided was understandable and useful for you. We recommend that in addition to installing circuit breakers, it is imperative to connect an RCD in the shield, which is protected against current leakage and, accordingly, electric shock. If you still do not understand how to replace traffic jams with automatic machines yourself, you can ask your question in the comments under the article!

Surely you do not know:

(9 votes)
Loading...

Add a comment