3 wires are removed from the ceiling for the chandelier: one single double and one separate. Where from these wires is zero and where is the phase and how to connect them to the chandelier?
How to increase the voltage of direct and alternating current to the desired value. Ways to increase the voltage from 5 to 12 V, from 12 to 24, from 12 to 220 Volts, etc.
What is the law of conservation of electric charge? Who and when discovered this law. Simple explanation and formulas describing the law of conservation of charge.
After replacing the usual stove with an induction hob and an oven, the light in the whole apartment began to blink slightly and the TV went out. What to do?
I put a solid-state relay between the power controller and the contactor. A second coil burned out on the contactor. Can put an intermediate electromagnetic relay?
There is a washing machine, boiler and electric oven. Which automatic machine should I put in the input, what automatic machines do I need and the nominal value of each for the operation of these devices?
How to determine how the battery is charged using the data of the memory? Need to charge the battery with direct current or constant voltage?
The device, the principle of operation and the purpose of the load cell. What are the strain gauges and how each version works. Sensor connection diagram.
How to get electricity from the earth with your own hands. Ideas for free electricity at home. The most effective methods and solutions.
Why should electrical wiring be replaced in Khrushchev? How to replace the wiring with your own hands and where to look for old wires. Typical wiring diagram.
They put a three-phase voltage control relay 1SVR550870R9400 and a contactor AF38-30-00-13. Isn't it better to put a relay on each phase so that at least not everything is cut down?