The meter is out of order and we replaced it with a new one. Do I need an old meter to seal a new one? And how to reduce the readings of the old meter?
One of the grounding contacts bent at the outlet. Is using such an outlet safe? Can it be returned to its original position?
How to connect two fans and a lamp to a three-key switch? Need a connection diagram: the first and second keys are 1 fan each, the key is a lamp.
It is necessary to make a reserve input from a single-phase generator into the house with a three-phase input to power the lighting and electric boiler. According to what scheme can this be implemented?
There is a passage switch, but it must be connected in one place. That is, like a regular switch. What terminals and how to connect the wires?
There are two houses and outbuildings on the site. Now they are connected by a loop. Tell me how to properly and reliably connect electricity to all buildings?
In an apartment in the evening, the voltage drops below 180 volts. Need a voltage stabilizer. Tell me how to correctly calculate and choose a power stabilizer.
I bought an extension cord with a surge protector, plugged it into the network and found heating in the area of the button. The store said that the heating from a light bulb. What is the reason?
The problem with the coffee machine is that it does not pump water, while the red lamp blinks. Boiling water does not pour. What could be the reason?
What is the electric strength of insulation and what are the types of breakdown. Characteristics of the electric strength of gases and power cables and the reasons for its decrease.
LED strips vary in voltage, power, dust and water resistance and other parameters. Find out what types of LED strips are and what are their features.
How to start the power supply from a PC without it? Green and black wires shorted - does not work. Power supply Sparkman sm-350w. Green and gray wires are mixed up.
I collect a three-phase electric boiler with a heating element of 6 kW. What section should be the cable from the machine to the starter and to the heating elements? How to choose a machine and a magnetic starter?
When the Philips coffee machine was turned on, it was previously cleaned and trickles of water flowed out. Now they flow inside the car. what to do and what is the reason?
A three-key switch is installed. When I turn on the keys in order, everything is fine, and when I turn on in a different order, it knocks out the machine. Tell me what’s the matter?
Are K75-17 capacitors (several pieces) suitable for connecting a 3-phase asynchronous electric motor 380 / 220V to 2.2 kW to a single-phase 220V network?
When connected to the network, the LED strip lights up, but does not respond to controller commands. When controlling from the remote control, the brightness only slightly decreases, it does not even turn off.
Does RCD and diflomatomats work when overheating and burning out a film warm floor? Do I need to install a separate RCD on a warm floor?
Is it possible to separate the wiring to the spotlights from the distribution box? I want to start decorating the walls, and then install a stretch ceiling. Do you have to ditch?
I am collecting an electrical panel for a wooden house, an electric stove and sockets are installed on the street. Is the electrical panel layout and cable cross-section correct?
I replaced the unit with a socket and a three-button switch, but the switch does not work. I enclose the connection diagram, what could be the problem?
What is the difference between DRL and DRV lamps in terms of device and wiring diagram? For operation of the DRV, ballasts are not needed, and for the DRL, a throttle is needed.
The battery charging lamp on the dashboard does not light. There are two pluses to it, 11.2 volts comes into the cabin, and 13.7 to the generator. What could be the problem?
To wallpaper, you need to remove the switch from the wall. Tell me how to do it right? Do I need to turn off the voltage for this?