If you plan to mount wiring in an apartment or a house, then you have a question about its protection from the negative effects of various factors. One of them is damage to cables and wires by rodents.

This issue is especially relevant if it is necessary to lay electrical wiring lines under the floor, in the attic or in those places where the cable (wire) passes openly. Damage to cable lines that run in the ground is also possible. For example, those lines that power the wiring of various auxiliary buildings and structures located on the territory of a private house (bathhouse, garage, warehouse, etc.).

How can I protect the wiring line from rodents? In this case, it all depends on the specific situation. Consider several possible options. The most optimal way to protect the wiring lines of a house or apartment ...

Compact fluorescent lamps are increasingly used every year to illuminate both residential and industrial buildings and structures. Initially, the use of so-called housekeepers was due to the saving of consumed electric energy. Indeed, a compact fluorescent lamp consumes 4-5 times less electrical energy compared to a conventional incandescent lamp. But are they saving money?

Many will answer negatively, since the experience of using fluorescent lamps in everyday life indicates that there is no saving in the family budget. In this case, the fact is that the housekeepers fail, and not having fulfilled the term of work declared by the manufacturer, and accordingly its cost does not pay off by the amount of electricity saved. But, in any case, if it is correct to operate compact fluorescent lamps, they will serve the declared term ...

Summer residents and owners of suburban housing, in which the power supply is low, often face a problem that arises during the installation and operation of the electric hot water supply system at home.

Turning on a powerful submersible pump of an automatic pumping station with a running water heater leads to an overload of the power supply and tripping of a circuit breaker located in the shield near the electricity meter.

The reasons for this are clear, since the starting current of the electric motor can exceed its operating current by 2 to 3 times. And if silt or sand gets on the impeller of the pump, then not only the starting current increases, but also the working current. When the inrush current occurs when other energy-intensive consumers are connected to the power grid, this is enough to trigger the machine. After all, for example, a storage water heater installed in private homes...

Why is this required? Most split systems are designed to operate at an outdoor temperature of -5º C. And this is in the best case, moreover, in heating mode.

As experience shows, nowadays household air conditioners are very often used for cooling in winter in server rooms as well as in technical rooms where working equipment is located. As a rule, it should work smoothly, in any weather. Very often they are cooled by air conditioning in offices - after starting central heating, the rooms become stuffy, thermostats on heating batteries are not everywhere, or they are not used, just turning on the air conditioning.

Why can't household air conditioning work in winter? There are several problems that get in the way of using an air conditioner in the cold. Starting a cold compressor ...

A range hood is a rather important appliance in the kitchen that allows you to cook and not worry that the whole room will be in smoke and burning. Therefore, an inoperative hood brings inconvenience and requires quick repair. Hoods are very diverse, but the malfunctions are the same for everyone.

Here are some common exhaust hood malfunctions we have encountered:

If the engine and backlight do not work, most likely the problem is in the power of the hood. It is necessary to check the machines in the electrical panel and the voltage in the power outlet. If everything is in order, the power at the hood terminals is checked, the cord or plug may be defective.

There are retractable hoods that turn on if you extend the bottom of them. In this case, the limit switch may not work ...

At night, the presence of a good illumination of the passenger compartment is exactly the same as the presence of air conditioning in the summer heat. And since sometimes the standard backlight is unremarkable, there are methods for its modification.

LED backlighting or LED backlighting will be the best option for a car. It has a number of advantages over conventional lamps: minimal current consumption, high reliability and durability, low cost of equipment, bright, beautiful glow.

The need for LED light sources has not left the attention of many manufacturers and convenient LED strips have appeared on the market. Often they have an adhesive base, which is very convenient in our case, easily take the desired shape. LED tapes are also divided into two types - some glow in one color, others allow glow in different colors, differently such LEDs are called RGB ...

Although the price of garlands is low, sometimes there are situations when you have to repair it. And there are not so many opportunities. Next, we will talk about simple methods for repairing a Chinese New Year garland.

Usage and repair tips usually in excess are given on the back of a beautiful packaging box. The process of replacing bulbs is described in great detail, although there are no spare ones in the kit. There are many safety warnings, instructions for using the garland.

One of the wonderful properties of such garlands is that they lay on a shelf until the next New Year, most often they do not want to light up, and they have to be repaired. All the malfunctions of such garlands are reduced to three types: wire breakage, loss of contact in the cartridges, lamp burnout. After the garland is wrinkled, shook, probed all the cartridges, it’s necessary to take matters seriously ...

Very often, the problem arises of failure of the charger of a mobile phone or other device, which is used to charge the battery charger. The main reasons why the charger may fail are as follows: wire breakage, failure of the charger unit, violation of the contact connection of the wire with the plug or charger unit.

Very often, the cause of the failure of the charger is a wire break or a violation of the contact of the wire with the structural elements of the charger - plug and block. In this case, you can repair the charger yourself. Consider the principle of repairing damage to the charger wire using a specific example of repairing the charger of a Nokia mobile phone (with a thin plug). To repair the charger we need: a multimeter, a knife, a soldering iron ...