To power the LEDs, direct current and low voltage are used. Therefore, it is important to know the difference between the power supply from the driver and the transformer in order to choose a suitable device.
Is it possible to reduce the brightness of LED panels from 25 watts to 2-3 watts? Can I replace the driver? If so, which one to buy?
They did not lay a separate protective conductor for DCS. Is it possible to make it from the ground of a water heater? Is it safe?
There are 3 LED phyto-lamps, with characteristics: 36W, 230V, 0.17A. Can I connect them in a line and connect them to a cord with a switch, length 1.5m, 250V / 2A?
How to conduct wiring in a mobile bath. Is it possible to lay a line 12 and 220V in PUE in one corrugation?
Why all hotplates in maximum mode themselves reduce the heat then turn on again with a period of several seconds. Is this possible if the phase and zero are mixed up?
Is it possible to supply one 4-pole RCD to protect the boiler (380V) and other single-phase consumers? If you can’t, then how to assemble the shield?
Can I use a 63A voltage relay without a contactor? Will 3 relays work in the same panel independently from each other or will they work together?
For problems with the compressor, wiring and control unit, the refrigerator is shocking. What to do in this case and how to fix the malfunction, read the article.
How to maximize the speed of rotation of a household electric fan? Also interested in how to make it smoothly disperse?
There is an apartment in a new building with repair olt developer. The wiring is new, is it possible to connect a single-phase oven to a three-phase line for an electric stove?
Why does the outlet work only when a refrigerator or other appliance is included in it? When you turn it off, the remaining sockets do not work. What is the reason?
Between phase and zero, 230 volts, and between phase and earth - 33 volts, while between zero and earth 16 volts. What should be the normal voltage between them?
Bticino NT4434N motion sensors do not work with LED lamps and solid state relays (intermediate relays). Is it possible to connect through a resistor and how to trick a sensor?
Can I connect two powerful devices to the same outlet? The power of the devices is 600 watts, the sockets are Soviet without grounding. Do I need to replace them with new ones?
Is it possible to connect a car fan heater for 12V, with a current of 12.5A, to a computer power supply to power it from a 220V network? How to do it right?
There is a small LED lamp for the kitchen, it has a switch, can it be connected to an outlet? A kettle is heated once a day in the outlet and nothing else.
What cable to lay between the input and switchboard? Distance 4 meters, power 15 kW. How to lay it better? In corrugation or without?
We installed a two-key switch, an LED strip and lighting are connected to it. When you turn off the light and turn on the LED strip, both the light and the tape begin to flash.
Various types of solders are used to solder aluminum, copper, steel, pipes and electronic components. Find out what solders are and where they are used.
There is an LED lamp with a battery, but it failed and stopped holding a charge. Tell me what parameters to choose a new battery for replacement?
How to connect the Rexant 12V anti-vandal button 12 cm in diameter with a backlight so that it disconnects the threader in the car? She has 4 terminals 2 long and 2 short.
Voltage floats during the day from 185 to 210 volts. I installed a stabilizer, but when the load is connected, the light still blinks. What could be the reason?
Three-phase input, 3 stabilizers Suntek 8500 installed. They worked for a year, suddenly one of them burned down. What could be the reason? In the wrong connection?