I want to transfer computer speakers to batteries, how to do it right and how many cans of 18650 do I need?
They installed an electrical panel above 2 meters, in connection with this, it is necessary to organize remote control of the input automatic machine. What gear motor to choose for this?
Hello! On veins of a cable for a heat-insulated floor the tags do not correspond to color marking. Trust the manufacturer or connect by color?
Hello! How to connect a three-phase asynchronous electric motor to a 220V network, according to what formula, calculate the capacitor if it is connected according to the star circuit?
Tell me, do all motion sensors work with LED lamps and spotlights? In the descriptions I met that the sensor only works with incandescent lamps.
I bought an electrostimulator for the brain. There are two voltage and current switches on the device. On the first - 2 Amps, under the second - 15 Volts.
Hello! What tool to strip the insulation of a large-section stranded wire, for example, 16mm2?
The apartment is without grounding. The problem is that between the electric oven body and the gas stove the voltage is 100V, is it possible to equalize the potentials?
The electric kettle does not work, I started checking: in the 220V socket, and on the stand of the kettle the device shows 380-410V. I can not understand what is the reason!
I began to pay twice as much for electricity. Therefore, there are suspicions that a neighbor is stealing electricity! How to check and how to prove it?
Hello, is a current of 2 amperes and 15 volts dangerous?
Generator with a rated power of 30 kW: does this mean that at maximum load it will give consumers 30 kW / h?
Hello! Is it possible to lay the cable from the television antenna on the draft ceiling, if a tensioner is installed on top? How to fix it correctly?
Why does the multimeter not work when, instead of the crown, I connect a 9V power supply? How to connect?
How to hang a chandelier, if there are plastic rings on the ceiling on the ceilings in new buildings, can they be dismantled? Or how else to hang chandeliers?
I bought the "San 5" lamp, it immediately goes out after turning on in any of the modes. Help me figure out what is the reason?
Help me figure out why the circuit breaker knocks out when turning on different electrical appliances! How to find the reason?
I connected the lamps in the entrance through the diode and they began to pulsate, is it possible to somehow smooth out the ripples? Which capacitor to put?
After a planned outage, problems with the equipment began. Later, the machine failed and the induction cooker burned out, who should repair the damage?
Hello! It is necessary to calculate the short-circuit current and the setting current of the circuit breaker. Given the line length, engine power, substation, tell me how to calculate?
I found such a strange connector in a rented apartment in Denmark. I went through the entire Internet, and even in the rarest types of sockets I could not find. What could be?
Is it possible to connect an electric oven - 2.5 kW (max 5.7 kW), a washing machine - 2.2 kW and a water heater - 2 kW to one machine?
Hello! The house has a two-wire network, there is no grounding. But the neighbors themselves connected to the grounding device. Is this legal and can I do the same?
Good time. Please tell me: in the machine tag is indicated current 312A. How to calculate how many kilowatts it consumes per hour? If possible, send formulas.