A float sensor must be included in the pump circuit. How to connect a float water level sensor to the pump through an intermediate relay to reduce the load?
What is an electric feeder and why is it needed. In simple words, the definition of feeder in electrics.
It is necessary to connect several powerful computers (4-5 kW) in the apartment. Is it possible, in order to save money, to connect computers through a rectifier and an inverter?
What is phase, zero and earth in an electrician. Why do we need a phase, zero and ground wire. Definition of concepts in simple words.
Not sure how to choose a difavtomat for power and leakage current? For you, we have provided advice on choosing a differential machine for home, apartment and garden.
What are the groups on electrical safety and the conditions for their assignment. How is the receipt of 2, 3, 4, 5 groups of electrical safety approval.
What is a dimmer, how does it work and where is it used. The device and purpose of the dimmers on the triac and resistor.
Tips for installing and choosing heating mats and cable for underfloor heating in a wooden house. Laying scheme of a warm floor in a wooden house.
I plan to enter the garage from the post 380v, the laying will be in the ground, cable VVGng 4 * 10. VVGng 5 * 6 cable will go from the garage to the house, is there enough cross-section of these cables?
There was an electric oven in the gas stove. There is no separate outlet (when they did the repair, they did not lay it down). Can I plug it into a regular power outlet?
Put additional lamps. When connected in a box, they blink. Where is the connection error?
I replace all the wiring in the apartment. It turned out the allocated power for the apartment is 2.8 kW, and you can not connect powerful consumers. What to do?
What are the security zones of power lines for and what are the sizes of these zones, according to regulatory documents. Requirements for work on the protected territory of power lines.
How to connect an SPD in the shield. Connection diagram for surge protection devices in single-phase and three-phase networks.
Wiring diagram for a three-key light switch with and without a socket. Learn how to connect a light switch with three keys.
Comparison of the characteristics of robotic vacuum cleaners. Find out which robot vacuum cleaner is better than Cleverpanda i5, iRobot 960 or iClebo Omega?
In our apartment, the electrical wiring is periodically heated. In this case, we distribute the load, i.e. We do not turn on energy-intensive devices at the same time. What to do?
The new dimmer, installed it and noticed that the case heats up when the light is on. Why is the dimmer in operation?
What is a surge protection device, what it consists of and where it is used. The principle of operation of the SPD, protection classes and the difference between them.
An electrician refuses to seal the meter after replacing the cable from the switchboard in the corridor to the meter in the apartment. What to do?
What are connecting insulating clamps, where are they used and what types are divided. How to use PPE caps and what is their advantage.
Which wire is better to use for electrical wiring in the apartment: copper or aluminum? Can these wires be interconnected?
How to make a bolted connection of wires with your own hands. Video and photo examples, as well as technology for connecting wires with a bolt.
The device, purpose and principle of operation of the passage switch. What are the types of switch through passage and where are these products used.