Do I need to output a new cable from the shield to connect the electric stove?

Sergey asks:
Hello! The following situation arose. We bought an apartment, the former owners after the sale hinted that it would be necessary to change the wiring, there were closures. When analyzing the kitchen behind the oven, a home-made outlet for him was discovered.

The power cable coming from the riser is two-core. Three-wire oven. To make it work, the former owners pulled out somewhere the third single-core wire and made of it + power cable - a three-wire outlet.

The answer to the question:
Hello! From your story, I’ll tell you right away - with such formulations and a little knowledge in wiring and electricity - it is better to immediately contact an experienced electrician. Overpay for work, but your head will not hurt, and you will use it for a long time and safely.

What does “closures” mean, and where did they go? What does “homemade power outlet” mean? There are special power sockets for connecting electric stoves and ovens.

The third lived what is it? It can be (and most likely is) grounding. Or maybe the second phase. The phrase “pulled out from somewhere” is not entirely fair. Either it was always laid, or it was laid separately. And the fact that it is separate from the cable is more like that it is grounding. If everything is bad and the neighbors really “pulled it out from somewhere,” then it can be connected not to a special grounding bus, but to the fittings of the house or the water supply. Which is dangerous and unreliable. What is the voltage at that outlet? 220 or are there 2 phases and 380 between them?

In this case, electric stoves must be connected directly to a separate machine in the panel, that is, there must be a separate line for connection.

How many questions loomed, see? However, it is not entirely clear to me what you originally wanted to ask.

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