Installed 7 LED lamps in the chandelier. There is no backlight on the switch. After switching on, all the lamps blink, and if you screw in the luminescent lamp, they do not blink.
Tell me, what to put in the apartment shield at the entrance to protect groups? Previously, there was a diff C40 30mA and occupied 3 modules. But there was only room left for 2 modules.
Scarlett ss1041 mixer does not work, I can not find the circuit. Tell me, on the speed switch board there are 6 wires, what is connected to them?
List of the main types of electrical work in everyday life and in production. In what cases do electricians need an SRO clearance and when can you do without it?
There is a cable that goes from the cover to the washing machine, is it possible to make a branch with twisting "copper with copper", the load will be small, is that possible?
Harpoon soldering machine for stretch ceiling. Previously, this heating was uniform, but now on the one hand it overheats and burns the film, what should I do?
From the old line that fed the bath, I connected a new switch box and powered two sockets, connected everything with a twist. Did he do everything right?
How to turn 12 volts into 24 volts? I want a 12 volt adapter to power a 24 volt screwdriver. What converters to use for this, what to consider?
Is it possible to install the driver from a 1 W LED lamp at a distance of 20 meters? Are there any contraindications?
Hello. I install a 47kW wood sawing machine + 22kW sawdust exhaust. what cable (cross-section) and the machine to install?
How to connect a standard three-phase 380V meter to a network with 127 / 220V isolated neutral? Will it work without zero?
A transistor tester is needed to measure the parameters of radio components.We talk about how to use the transistor tester and which models are popular, in the article.
Is it possible to connect two phases from the hob to a three-phase diflavomat machine? The contact of the third phase should not be activated. The fourth contact is zero. Will there be protection?
What phase do I need to connect the 15 kW electric boiler in the electrical panel to? What cable cross section to use? Or connect to three phases?
After a power surge, the LED lamps in the chandelier began to flash in the off state. What to do?
Help with the assembly of the apartment electrical panel, I want to connect two machines and 1 RCD to the outlet groups, and the load switch to enter, is this layout normal?
Hello, tell me, they forgot to throw power wires on the sconce, but there is a passage switch nearby, how to connect from it?
Inverter DC / AC IS3-48-600, screwed the socket to it, and when inserted, it reversed the polarity. After that it doesn’t work, tell me can it be repaired at all?
Hello! I found two pieces of wire, something like diodes on them. Help determine what it is and where it is applied?
Installation of RCDs into the light is mandatory in hazardous and humid rooms, according to the PUE and GOST. When you need to put an RCD on the lighting, and when not, we tell in the article.
Power supply equipment 48V, the customer asks to put an 80A single-pole circuit breaker. Why such a big face value?
Why do the bulbs explode in the chandelier when the light is turned on and not only. The reasons for the explosion of incandescent, fluorescent, halogen. How to avoid the situation.
Can I use a car amplifier at home from a 220V outlet, instead of a battery? What parameters should the power supply have?
Hello. Such a question, according to the documents we have summed up 380V max 10kW, and on the meter there is an automatic 3 poles 25A, the question is, at what load will it disconnect?