How to connect a 5-volt LED strip, out of 130 pieces, to use as a Christmas tree garland? Each section consumes 15W, which power supply to choose?
The switch failed, bought a similar in size and shape. He has 6 contacts. Tell me the connection diagram of the new switch with pin numbering.
How to connect a heating element of 9 kW - the choice of cable cross-section and the rating of the machine
I have a 9 kW electric heater installed in the boiler. I want to connect it as 6 kW (but I do not know how many amperes). Which cable to choose and which machine, how many amperes?
When the Honeywell chs071ae air conditioning system is turned on, the heater burns out. After repair, everything was in order. It burns only at home.
I want to make a heated lunch box based on a medical sterilizer. To heat food like in a water bath. How to choose a heating element - wet or dry, do I need to do grounding?
Is it possible to connect to a two-gang switch through passage in a shower, to connect an exhaust fan? You need to install it in the inside of the shower.
Please tell me if on the counter the indicators A B C light up sequentially, can this indicate a counter malfunction or is this normal?
A two-tariff electric meter of the ENERGOMER was installed, but noticed that it takes into account too much energy consumption. Could the controller change the readings?
We installed spotlights and a chandelier, mounted a ceiling, but everything turns on from one switch. How to fix the situation without dismantling the ceiling?
Is it possible to use a ZVS 120W induction heater. 5-12V power supply as an induction boiler for a small heating system, how is a laboratory installation?
Please tell me, is it possible to lay two VVG-ng-LS power cables in one strobe and in one corrugation? If not, what documents prohibit doing this?
How to find out the utilization factor of horizontal and vertical earthing switches knowing the number of vertical electrodes - 3 pcs. their length is 4 m. and the distance between them?
There is a pre-heater for a car on 220V and 3 kW. How easy and cheap to make it work on 1 il 2 kW? Can I install a diode?
4 wires come out of the wall to the outlets, the outlets are connected in series, how to connect another outlet in parallel to them?
There is a two-tariff electric meter, we have electric heating. We drown only at night, but on the meter at the daily rate, the consumption is more than 3 times higher than at night. What to do?
How to choose a power supply with a voltage of 12V to power a pulse boost converter with a capacity of 1440 watts with an output voltage of 0-60V and a current of up to 24A?
We were flooded with neighbors from above. The light began to blink, we immediately turned off the machines. After that, the light was not turned on. Is there any chance it will work?
Methods for measuring AC and DC voltage. How to measure voltage and how to do it right. Examples of measuring voltage in different conditions.