Which cable to choose for a lawn mower

Which cable is better: flexible or rigid

A rigid cable is usually understood as a mono-core cable, and a flexible one. with stranded conductor. The more wires there are in the vein and the thinner each wire is. the more flexible the cable. By flexibility, the cable is divided into seven classes: mono-core. this is 1st grade, and 7th grade is the most flexible. The higher the flexibility class of the cable. the more expensive it is.

Rigid cable is usually intended for embedding in walls and laying in the ground, while flexible. for connecting moving mechanisms or electrical appliances. From the point of view of operation, rigid or flexible cable. irrelevant. In terms of installation. every electrician has their own preferences.

Note: the ends of the flexible cable, which are inserted into sockets (switches), must be soldered or crimped with special end fittings (tubular lugs). A hard cable does not require such a procedure. To connect lighting equipment, it is preferable to take a flexible cable, since lighting fixtures are changed more often, and a rigid cable will break faster when connecting new electrical equipment.

which, cable, choose, lawn, mower

How to choose a cable. the wire

Computer cable.

Not an accurate term. Typically, a twisted-pair cable is used to connect computers to each other and to the server, but other data cables can also be used. The term “twisted pair” comes from the United States. The technology of twisting two wires in a pair has been used in telephony since the middle of the last century. It is the merit of the Americans that, due to the precisely calculated pitch and the quality of the materials, the information transfer rate was achieved much higher than that of a standard paired telephone cable. Twisted pair cable has many types depending on the number of cores, diameter of each core, laying conditions, etc. Depending on the data transmission speed, the twisted pair cable is divided into groups: category 3 (standard telephone cable), category 5 (used in the device of office networks), category 6 (new generation cable designed to replace category 5). Twisted pair, which has received the most widespread today. this is a cable of category 5e of eight twisted pairs of wires, the diameter of each core is from 0.45mm to 0.51mm.

Twisted pair

Twisted pair. how to choose the right one

How to calculate cable cross-section

What cable cross-section is needed for the load, for example, 8 kW. In the article How to calculate the cable cross-section, you can find out a detailed description of the calculation, but in practice most electricians use a simple formula: a copper cable cross-section of 1 mm 2 can pass 10A or 2.2 kW through itself (power = 10A x 220V). Thus, the load for 8kW in amperes will be 36A (load = 8kW / 220V), and for such an amount of current, a cable with a cross section of 4mm 2 will be enough. This calculation is more. less correct for cables with a cross-section of no more than 6 mm 2. For larger cross-sections, tables “On permissible current loads” are still required. You also need to know that with the same load, the cross-section of the aluminum cable should be about 30% larger than the copper one.

Section of the cable. this is the area of ​​the conductor at the cut. The cross-section of the round conductive core of the cable is calculated using the formula for the area of ​​a circle = π × r 2. where the number is π = 3.14, and r. radius. If there are several wires in the vein. then the cross-section of the core will be equal to the sum of the cross-sections of all wires. The radius of the wire is measured with a caliper, and of very thin wires. micrometer.

What cross-sectional margin is needed. The stock, of course, will not hurt. But you need to know when to stop. So, any household socket-switches are designed for a maximum of 16A (3.2kW = 16A x 220V) and connect the outlet with a 4mm 2 cable with a capacity of 8kW. it’s a waste of money. In addition, a cable with a cross section of 4 mm 2 will not fit into every outlet. Reasonable cross-sections in household electrical networks for copper: 1.5-2.5 mm 2 for sockets and 0.75-1.5 mm 2 for lighting.

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TV cable.

This is not an accurate (common) name for a 75 ohm coaxial cable. And this is a completely wrong term. “satellite cable”. Any 75 ohm coaxial cable can be used to connect satellite and any other antenna, as well as to connect to cable TV. It is only important whether it is a good cable or not. The main characteristics of the coaxial cable. these are signal attenuation and noise immunity. All other characteristics of the cable (screen density, wire material, etc.) are aimed at improving these two indicators and are of secondary importance. For example, the domestic cable of the RG brand is made only of copper wire (sometimes even silver-plated), but the attenuation of the RK cable is 3-4 times worse than that of any modern RG cable made of cheaper materials: steel and aluminum. At the present stage, the quality of the data cable is determined primarily by technology. When choosing a TV cable, also consult with the provider of this service.

which, cable, choose, lawn, mower
  • 1. What is the difference between a cable and a wire
  • 2. How to calculate the cable cross-section
  • 3. Which cable is better: copper or aluminum
  • 4. Which cable is better: flexible or rigid
  • 5. How to determine the quality of the cable yourself
  • 6. What should be the insulation and sheath of the cable
  • 7. Most popular cable brands:
  • 8. Internet cable.
  • 9. Computer cable.
  • 10. TV cable.
  • 11. Audio cable.

What is the difference between the type of category 5e and products with 6 category?

Everything is simple: in the details of the sixth category, the step with which the conductors are twisted is larger, thicker and the cross-section of the conductors. All this is necessary in order to maintain signal integrity over wide bandwidths and to improve some characteristics (crosstalk). Category 6 is designed to operate at 250 MHz, an element with a lower category operates at 100.

There is also category 6e. It is less susceptible to factors such as noise and temperature. Cable mowing lines are often laid in places with sharp temperature changes, behind the ceiling space, underground, cable trays. Temperature greatly affects signal loss.

Essentially, a Category 5e network cable is more than enough for a large local area network. over, Internet service providers use this particular category, and there is no difference in installation between categories 5e and 6.

Internet cable: types

There are many characteristics that set an internet cable apart. However, do not focus on all of them, we only need a few. We will figure out which cores are provided for a particular product, we will also find out what a cable category is and what shielding methods are.

Copper or cable, partly copper-plated?

What kind of cable is needed for the Internet, as noted above, will depend on how large the network is. At decent-sized distances, the difference between the option with copper conductors and completely copper is negligible. However, in cases where CCA cable is used in networks with distances of more than fifty meters, problems arise in the operation of some network equipment. Over a distance of hundreds of meters, such a wire will not be able to transmit information. Why is this happening? It’s all about conductivity. After all, the resistance of aluminum is much greater than the resistance of copper. Therefore, the output current power is less than that required by the equipment. Therefore, the two devices connected by this cable simply do not notice each other. Conclusion: if funds allow, it is worth choosing copper. Such a cable for the Internet will not create problems in installation and will transmit the signal with high quality.

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Shielding type

The network cable for the installation of cable systems can be shielded. Foiled twisted pair (abbreviated FTP). twisted pair of foil or conventional (UTP).

Copper-plated

What is this element? The so-called copperplate is a composite cable for the Internet. Its core is made of an inexpensive metal with less conductivity. The outer cover is made of copper. Based on the fact that the electric current flows over the surface of the part, which is made of copper, the losses will be minimal.

On the market for electrical products, you can find several types of copper-bonded network cable. Copper Clad Steel (abbreviated CCS). copper-clad steel conductor (eng.), Copper Clad Aluminum (CCA). copper-clad aluminum conductor (eng.). Judging by the name, you can see that they differ in the material from which the core of the veins is made. For CCS it is a steel conductor and for CCA it is aluminum. The version of the cable with CCA cores is almost no different from copper during installation. At the same time, a conductor with steel cores may not interact well with the knives of the switching equipment in the server room.

Another characteristic by which a cable for the Internet is selected is its elasticity. It should be noted that steel is not as elastic as aluminum. Therefore, when installing such cables, kinks may occur. A situation may well arise that when laying the part over a long distance, one of the veins will break somewhere in the middle of the route, and it turns out that all the work is down the drain. Also, such cables do not lend themselves well to crimping, professionals refused to use this cable, therefore we will not further consider it as a contender for use in our local network.

What veins are?

There are currently several core designs for network cables. It is an all-copper part and a copper-plated element. Naturally, an all-copper cable is preferable for connecting a computer to the Internet.

Types of shielded cables

Shielded network elements are classified into the following types:

FTP. cables with a common foil shield.

F2TP. with common double foil shield.

S / FTP. the individual cores are shielded with foil and the outer shield is copper mesh.

STP. individual cores and the entire wire are foil protected.

U / STP. each core is protected with foil.

SF / UTP. cables with two shields of copper braid and foil.

Thus, we can say that SF / UTP is the most immune to interference. Although it is generally sufficient to use an FTP or F2TP cable.

Cable category

Unshielded twisted pair (abbreviated as UTP). abbreviation for internet cable. twisted pair unshielded (eng.). Network Explorer has several categories. What it is? In a simple way, execution method: conductor cross-section, type of separating material, twist pitch. The most popular category in our country is category 5e, because almost one hundred percent of all networks are built on cables of this category.

Which cable to choose for outdoor installation (air and ground)

To connect the power supply from the house to the bathhouse or garage, you need to draw a line along the street. Find out which cable you can use for outdoor installation.

Often people are faced with the need to conduct power supply from home to a bathhouse, or from home to a utility block, or mount a wire to illuminate a personal plot. At first glance, the task is not difficult, however, there are many nuances for this type of work. And the most important of them is to determine which cable can be used outdoors. In this article, we will consider the brands of outdoor cable and which option is suitable in certain conditions. :

  • Negative factors for street wiring
  • Overview of suitable cable brands
  • Conclusion

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Overview of suitable cable brands

For laying outdoors in 220 V or 380 V networks, SIP and PVA wires are used, and VVG and VBbshv cables, as well as their varieties.

SIP. self-supporting insulated wire. The core material is aluminum, there are options with a steel core inside aluminum. There are also types of self-supporting insulated wire with bare carrier neutral. It is used for overhead power lines. Wire insulation is made of XLPE. It is durable and resistant to UV rays, therefore it is used outdoors without corrugations. From the support of the mowing line of power lines, the self-supporting insulated wire is pulled through the air to the house.

For the installation of a self-supporting wire, various accessories are used: piercing clamps, stretch marks, insulating boxes. A reliable power supply requires the use of all of these devices. The connection of the self-supporting insulated wire with a copper entry into the house should be made through terminal blocks or a bolted connection with a gasket of a metal washer. The self-supporting insulated wire can be used for laying on the street along the wall. In this case, it must be placed in a corrugated pipe to protect it from rubbing and mechanical damage.

  • resistance to UV rays;
  • high insulation strength;
  • does not require additional suspension ropes.
  • requires additional protection when laid on the wall.

PVA. vinyl-insulated wire, connecting. The core is copper, multi-wire. The number of cores is from 2 to 5, of various cross-sections. The main purpose of this wire is extension cords, connection of garden and vegetable garden equipment, power tools for home care. Due to its design, the wire is very flexible and is perfect for connecting, for example, a lawn mower in the country. The service life of this wire is 6 years, so PVS is not intended for wiring or connecting various objects.

  • flexibility;
  • abrasion resistance;
  • thick insulation;
  • short service life;
  • limited scope.

VVG cable. It is the most versatile conductor for outdoor and outdoor installation. The brand stands for:

  • B. vinyl insulation of conductors;
  • B. vinyl sheath;
  • G. no armor (naked).

The cores are made of monolithic copper. If at the beginning the letter “A” (AVVG) stands for the brand, then the material of the core is aluminum. The number of cores is from 2 to 5. At the moment, there are many options for such products with improved safety characteristics:

  • VVGng. does not support combustion;
  • VVGng-LS. does not support combustion, with low smoke emission;
  • VVGng-LT. does not support combustion, with low toxicity of smoke;
which, cable, choose, lawn, mower

VVG can be laid along the walls of buildings, structures, suspended on a cable, laid in the ground. But in all these cases, the cable must be additionally protected. When mounted on the street, along walls and in other ways, the conductor is placed in a polyamide corrugated pipe, trays, metal hose.

When hanging on a cable. in a corrugated pipe, you should not use a gray PVC corrugation, since it is often not resistant to UV radiation (there is also a stable one, check with the manufacturer or on the packaging). It is better to use a black or blue HDPE corrugation, made of polyamide, or a metal hose (when laying on a combustible surface, for example, along the facade).

To mount the cable in the ground, the conductor is also placed in a corrugation, but not in the one shown above, but in a rigid corrugated HDPE pipe. This is necessary to protect against mechanical damage.

  • versatility;
  • long service life.
  • requires additional protection when laid open.

The VVG has a modification of the VVSG. The letter “C” indicates the presence of a steel cable. This rope is self-supporting. Such a cable is used to connect objects by air indoors, hangars, etc.

VBbShv. The material of the veins is copper, there are aluminum analogs with the letter “A” at the beginning of the brand (AVBbShv). Manufacturers produce these cables with the number of cores from 1 to 5. The brand is deciphered as:

  • B. vinyl insulation of conductors;
  • Bb. armor without a pillow;
  • Shv. vinyl hose.
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This cable is designed for outdoor installation in the ground without additional protection. It can be mounted in trays along the walls of buildings, however, due to its low flexibility, large weight and dimensions, this is difficult to do. It is recommended to put the conductor into the pipe only when passing it under the road, to reduce the soil pressure.

  • high resistance to mechanical damage;
  • does not require additional protection.
  • heavy weight;
  • inconvenient to install;
  • armor grounding required.

I would also like to tell you about telephone cables. The technology for installing telephone conductors is similar to laying electrical ones. They can be laid through the air on a cable, along the walls of buildings, along fences. When installing in the ground, place the telephone cable in a pipe or use armored conductors.

When pulling through the air, the PRPPMt cable is used. Such a conductor has a suspension cable in its structure.

Negative factors for street wiring

Outdoor cable mowing lines are subject to several negative factors:

  • Ultra-violet rays. Sunlight has a detrimental effect on some types of conductor insulation. This process is long and difficult to control. Therefore, you should choose products with insulation from materials that do not degrade under the influence of UV rays.
  • Ambient temperature. Low can lead to cracking of the insulation. Therefore, when choosing cables and wires, you should find out their operating temperature range. The installation temperature should also be taken into account. Usually it is at least 20 degrees below zero.
  • Wind. Strong winds can damage both the sheath of the cable cutter line and the wires inside. If the cable will be laid down the street, the climatic area of ​​installation should be taken into account.
  • Ice. If the outdoor network is carried out in areas where there is an increased formation of ice in winter, this factor should be taken into account. A conductor covered with an ice crust can become several times heavier and, with long spans, break under its own weight.

There are three ways to lay the cable on the street, and each of them has its own advantages and disadvantages:

  • By air. The fastest way to install. Disadvantages of this method: requires reliable fastening of cables, susceptibility of lines to negative influences of weather conditions.
  • On the walls of buildings. It is much easier to select a conductor material for this method. Disadvantages: labor-intensive installation, violation of the appearance of buildings, negative impact on the conductor of ambient temperature and sunlight.
  • In the ground. This method solves many problems. Weather conditions and sunlight have no effect. The appearance of buildings and the surrounding area is not disturbed. The disadvantage is the laboriousness of electrical installation, in some cases with the need to attract construction equipment to excavate a trench.

Let’s summarize, briefly outlining how to lay the cable on the street and which brand is suitable for different cases:

  • If you have VVG and its modifications. on the street it must be laid in a corrugation resistant to UV radiation, or in a metal hose.
  • Through the air, VVG is laid only on a cable and in a corrugation. The cable is needed to remove the load from the conductors, corrugation for protection from UV rays.
  • Self-supporting insulated wire can be laid without a cable.
  • If you want to lay a cable outdoors in the ground, then VVG is laid in a pipe (corrugated from HDPE, or metal), and without a pipe, you can lay armored cables of the VBbshv type
  • PVA, SHVVP and other wires are used for extension cords, carriers and other things, they are not suitable for wiring.

Now you know how to choose an outdoor cable and what you need to consider additionally. We hope the information provided was useful and interesting for you.!

TV cable: which is better for home and outdoor use

Now specifically on how to choose a TV cable for your conditions. For outdoor installation, use a wire with a polyethylene sheath (marked with the letters PE) with light stabilizing additives (PE UV). He is usually black. Its shell withstands cold, moisture and sunlight well.

Which TV cable is better: what affects its quality

The TV cable is of higher quality than:

  • conducts the signal more fully without loss;
  • more resistant to aggressive environmental factors.

What affects the degree of signal attenuation:

  • material and diameter of the central core;
  • shielding foil material;
  • braiding material and density;
  • outer shell material.

Which TV cable to choose: don’t lose signal!

Central vein
The thicker the core, the less the signal attenuation. The best option is copper (CU), 1.02 mm in diameter. We recommend using it at distances over several tens of meters. At short distances, the diameter of the copper may be smaller; it is also successfully replaced by copper-plated aluminum (CCA). For very short lengths, pure aluminum (AL) or copper-plated steel (CCS) can be used.

Dielectric around the central core
The best option is polyethylene foam (FPE).

Shielding foil
The most suitable is copper, but aluminum is more common, which is also normal. If only it fits tightly to the dielectric.

Braid
It is preferable. copper, with a density of 96% (visually solid). Other suitable density options are 75% and 64%. Aluminum has lower electrical properties, so its density should be higher. Copper braid is also good because it allows you to connect wires by soldering.

The greatest signal loss occurs at high frequencies. The satellite signal has a much higher frequency than the TV signal, so always use the highest quality wire for satellite dishes.

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The most common types of cables:

  • RG-6
    The most massive and cheapest. Standard for use with all F-type connectors. The outer diameter is 6.8 mm. The braiding is always aluminum, the central core is most often of copper-plated steel. A lot of low-quality products from unnamed manufacturers.
  • SAT50 (there is a red stripe on the outer shell)
    It is assumed that this is a higher quality type of cable, however, some manufacturers disguise the usual RG-6 under it.
    The central core of SAT50 must be of copper-plated aluminum or copper, the density of the braid is at least 64%.
  • SAT703 (green stripe on the outer shell)
    She has excellent characteristics due to the greater thickness of the central core, high density and braid material.

The products of such brands have proven themselves well: Rexant, PROConnect, Cabletech, Belden, Cavel, Commscope, Mediaflex.

See the review of which coaxial cable is better for TV

How to choose an extension cord

When choosing an extension cord designed for use in conjunction with an electric lawn mower for grass, you need to pay attention to a number of significant parameters and characteristics.

First, choose the optimal extension cord length. At this point, focus on the size of your site. Additionally add a couple of meters “in reserve”.

It is also not worth getting too carried away in this regard. with each additional meter, the cost of the extension cord increases significantly.

You can use the following diagram to determine the approximate length of the extension cord.

Given: a rectangular section 20×30, i.e. standard 6 ares.

Find the square of the diagonal of the plot by summing the squares of its sides. Next, you need to root out the resulting value to get the length of the diagonal. In the case of this section, it will be 36.06 m.

The nearest standard length of an extension cord is 40 m. We buy such a product. The stock will be used to compensate for turns, bends, etc. It is possible to round the estimated length downward only if stationary sockets are installed in different corners of the structure located on the site.

Secondly, you need to determine the appropriate cross-section of the carrying wire. To do this, you need to know the power of the lawn mower (indicated in the product passport or on the body). The power of simple electric trimers is usually no more than 2 kW, wheel lawn mowers. up to 4 kW.

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In the case of trimmers, the recommended cable sizes are as follows:

  • for a device with a power not exceeding 1.5 kW. 0.75 mm;
  • 1.5-2 kW. 1 mm;
  • 2 kW and more. 1.5 mm.

The cross-section of the extension cable intended for use in combination with a lawn mower with a power of more than 2.5 kW must be at least 1.5 mm.

Thirdly, it is necessary to resolve issues with the features of the grounding of the extension cord. If grounding is necessary (and its presence is highly recommended), buy a product that has the number “3” in the marking. As an example, we can consider the KG extension cable 3×1.5 mm from the popular Atlas brand.

In this case, “KG” indicates the brand of the wire, and the number “3” indicates that the extension cable consists of three cores, one of which is directly the grounding wire.

Features of the extension cord on video.

Fourthly, you need to choose a suitable extension cord design. As noted, such products can be made on a reel or in a coil. The first option is the most preferable. The second is used mainly on an industrial scale and allows you to connect more powerful equipment.

Fifth, it is necessary to take into account a number of general recommendations for choosing an extension cord for a lawn mower:

  • The extension cord must be equipped with one rubberized socket. The presence of two or more sockets will create difficulties when connecting an electric lawn mower and will cause inconvenience in the process.
  • For use in combination with lawn mowers, extension cords are best suited, the cord of which is colored orange. These colors are simply more visible on the ground, thereby minimizing the likelihood of accidental cable damage and related problems.
  • Due to the fact that lawn care works are carried out mainly in the warm season, it is preferable to choose an extension cord with a PVA wire for use in conjunction with an electric lawn mower.
  • If the extension cord will be used not only in conjunction with a lawn mower, but also for performing various works in the cold season, give preference to models with KG wires.

Principle of operation

The principle of operation of an extension cord for a lawn mower for the end user is not much different from the mechanism of action of an ordinary network carrying: the device is plugged into an outlet, transferred to the required distance (unwound to the desired length), where the device is connected to it, in this case, a lawn mower.

By design, lawn mower extensions are classified into coiled and coiled products. The second option is the most popular and preferred.

This design is very convenient to use. the user does not need to carry the coil itself, it is enough to simply unwind the wire. Thanks to the features of the housing, unwinding and reeling of the cable is done quickly and effortlessly.

The second type of extension reel is noticeably different from the model discussed above: here the reel is equipped with several sockets, allowing you to connect more than one device at the same time.

Metal and plastic can be used to make coils. The first option is more preferable and is characterized by improved indicators of durability and resistance to adverse external influences.

For use in combination with electric lawn mowers AL-KO, Gardena, Stig, Bosch Rotak 32, Stihl, Makita, Champion, reel extension cords of the first group are best suited, because in accordance with safety precautions, it is strongly discouraged to move the coil away from a stationary outlet.

Along with this, models made in a waterproof case are available for sale. if possible, use just such an extension cord for a lawn mower on a reel.

Extension cord: which one to choose for carrying, self-winding for a lawn mower, which one is needed for a trimmer. what does a garden one consist of?

Electric lawn mowers are good for everyone: they are lightweight, mobile, relatively inexpensive, productive and environmentally friendly.

The only big drawback of such devices is the dependence on the electrical network, which causes many inconveniences if it is necessary to process a spacious lawn in the absence of a sufficient number of connection points (sockets).

You can solve the problem with an extension cord. After reading the information below, you will learn how the lawn mower extension cord works, you will receive recommendations for choosing the right device and its subsequent operation.

User’s manual

If desired, you can permanently fix the extension cord before use. for this, the coil design is equipped with two mounting holes.

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Install the spool in a suitable location, mark the future location of the fasteners through the holes, drill the indentations and secure the extension drum with bolts or other suitable fasteners.

To turn on the extension cord, you must connect its plug to a stationary power outlet. The auto reel has an auto unfolding-folding function. Unwind the cable to the desired length. After each half turn of the cord, it is secured.

To roll the cable after use, pull on the cable until it is secured, then slowly roll the cable.

Automatic reels are characterized by a high traction force. Do not allow the cable to be rolled up uncontrollably. Hold the end of it and slowly guide it along the movement of the auto reel.

The reels of modern garden extension cords are equipped with mechanisms that provide protection against overheating during operation. As a rule, the color indication is the same in different models. So, if the LED glows red, this indicates that the overheating protection is on.

When the mentioned protective system is triggered, the light will go out. In such a situation, the user must disconnect the extension cord from the mains. After a few minutes (when the extension cord has cooled down), the device can be turned on again.

Lawnmower reel extensions are maintenance-free. It is enough just to periodically clean them. The auto coil must not be energized during cleaning. To comply with this rule, remove the extension cord from the stationary outlet.

Cleaning the outside of the extension cord is done with an ordinary dry and clean cloth. Make sure that moisture does not get into the construction of the extension cord coil.

When using an extension cord, observe the basic safety regulations and precautions:

  • do not disassemble the extension cord;
  • do not use the product in rainy weather;
  • do not use an extension cord in places with excessive humidity;
  • do not allow moisture to enter the structure of the extension cord;
  • do not use the extension cord in places with excessive dust, vibration, etc.;
  • do not short-circuit the socket terminals;
  • do not let children use an extension cord;
  • do not plug appliances into the extension cord, the total power of which exceeds the maximum allowable for this device.

Now you know what a lawn mower extension cord is, how to choose and use it correctly. Follow the recommendations you receive and everything will work out in the best possible way.