I want to rent a room for a coffee shop, the landlord said that 11 kW of power was installed. How to calculate how much power I need? The room is 40 sq.m.

You need to connect the engine to 220V. Help me choose a magnetic starter, engine parameters: (220 / 380v), 50hz, (2.9 / 1.7A), (0.55Kw ... KPD 70.5), 1370 rpm.

Introductory machine 50A, and RCDs for a group of machines 50A and 30 milliamps, is this permissible? Is it possible to put an RCD of the same value as the introductory machine?

I have such a question, an apartment in an old house and poor wiring, we are doing repairs and I want to install an electric stove, can it withstand it, will there be a fire?

There is a network suppression filter FP-11, but its operating voltage is 380, three phases. Can it be connected to 220 network and will it fulfill its functions?

Please tell me the brand of cable. Insulation - 2 layers of rubber, core - copper. The cable is shown in the photo, its name is of interest.

Bought a two-pole machine. I found that it has one terminal strip, not a double one. Tell me, is it possible to have two wires in one terminal block on such an automatic machine?

I want to connect the boiler to electricity. The apartment includes phase and zero, there is no land. Can I connect a difavtomat or RCD without land in another way?

In the garage, a milestone is present on metal objects. When measured from the counter "0" to any piece of iron in the wall, it shows 220V. What is the reason and what to do?

Good afternoon! Please tell me what is the name of the cable in the photo? Help determine the brand of cable from the photo.

It is necessary to connect the aluminum wire and the copper one. There is a Wago terminal. I don’t get it, where to put it? There must be a separate terminal for the phase, but for zero its own?

The plastic melted on the cork, where the contact is. An electrician advised changing traffic jams to more powerful ones. What is the cause of reflow and is it dangerous?

A three-phase 10-20 amp counter without current transformers is installed. If the counter burns out, will the voltage on the consumer disappear?

The phase 3 meter is located both on the yacht and on the shore column. Consumption for them does not coincide, on the coastal 30 kW more. What is the reason?

Is it possible to install a two-button switch with 4 wires instead of a conventional two-button switch without a neutral wire? There is no neutral wire in the wiring.