When a new machine starts up, a high-frequency whistle starts to be issued, the drum turns - there is a whistle, it stops - there is no whistle. What is the reason?
Daewoo fridge 2011. The fan motor began to whistle. Lubricated the shaft of the WD-40, enough for a day. Again whistles and does not turn off in my opinion at all.
When the NEFF dishwasher is switched on, the pump is switched on periodically. When you press the on button, the display does not light up. Please give a reason.
How to make a motion sensor with your own hands at home. Video instructions and assembly diagrams of a simple microwave and thermal motion sensor.
What are dielectric gloves and what are they for. Appointment of electrical protective gloves, rules of use and test procedure.
Methods for calculating the illumination of the room. Formulas with which you can independently calculate the illumination of a room.
Is it possible to insulate the wires with liquid rubber or with a nano-protective spray, etc.? Wire insulation is required on a 220 V network.
Why does an RCD knock out when the hair dryer is turned on and what should I do in this case?
At what depth should the vertical earthing switch be immersed when installing portable grounding in the workplace?
Connection diagram of the test box to the Mercury counter. Find out how to connect an ICC box with current transformers. Video installation instructions.
What to do if tension jumps in an apartment or house? The main causes of voltage drops in the network. Where to complain to solve the problem.
What is induced voltage and what is the danger of this phenomenon? Protection measures against interference in the apartment and on the overhead line. The causes of induced voltage.
There is a very big difference in readings between the common house meter Mercury 230 and the individual meters Mercury 201.5 in a 70-apartment building. What is the reason?
DIY Armstrong lamp installation instructions. Wiring diagram and installation of the housing in the suspended ceiling. Video tutorials on the topic.
What is fire retardant coating of cables for? What types of fire protection of cable lines exist. The procedure for processing cables with flame retardant.
The main technical characteristics of the power cable KGN. Scope of the conductor, design and existing cross-sectional dimensions. The best manufacturers of KGN.
Rating of manufacturers of LED strips for the home. Find out which firms are the best in price and quality. Review of current prices.
Please tell me from what exactly to stretch the wires to the sconce? From the outlet? If so, how to connect the wires to the sconce?
DIY repair instructions for an electric convector. What to do if the convector does not turn off, does not turn on or does not heat.
Not sure how the wire differs from the cable and cord? For you, we have provided the differences between the conductors, which are visible in the photo, and are also interpreted in GOST.
Review of the best multicooker pressure cookers. Find out which models are optimal in price, quality and customer reviews.
The main types and types of electrical wiring used in an apartment and a private house. Ways of laying each type of electrical wiring in residential premises.
What could be the reason if the network is 220 V, but on the wire it shows 24 V?
How to make sure that if the voltage disappears at any of the input phases, the generator starts, does the automation cut off all three phases and the input line zero?