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ELCAN 3-socket extension cord with grounding, with a switch, length 3m

El-Skład Sp.J. W.Pałajski M.Migatulski
Starting at
€2.18
PLN 9.92
  • Colour: White
  • Housing shape: Rectangular
  • Material: Plastic
  • Surface finishing: Matt
  • EAN: 5902276591327
Supplier
El-Skład Sp.J. W.Pałajski M.Migatulski
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EMOS Textile insulation tape 15mm / 15m black 2002151520

Elektro Sychra
Starting at
€1.43
CZK 36.45
  • Colour: Black
  • Material: Other
  • EAN: 8595025311177
  • Manufacturer: EMOS
  • Thickness: 0.3960
Supplier
Elektro Sychra
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Single-socket garden extension cord PO-ST / S / 5,0M / 3X1,5 / H03VV

P.W.U-H PLASTROL
Starting at
€5.86
PLN 26.69
  • EAN: 5902273408864
  • Manufacturer: PLASTROL
  • Colour: Black colour
  • Voltage [V]: 230
  • Ground: Yes
  • Cable length [m]: 1900-01-05 00:00:00
Supplier
P.W.U-H PLASTROL
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EMOS Self-vulcanizing insulation tape 25mm / 5m black 2003250520

Elektro Sychra
Starting at
€2.89
CZK 73.64
  • Colour: Black
  • Material: Other
  • Manufacturer: EMOS
  • Length: 5.0000
  • Width: 25.0000
  • Thickness: 0.8000
Supplier
Elektro Sychra
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Single-socket garden extension cord PO-ST / 3M / 3X1 / H03VV

P.W.U-H PLASTROL
Starting at
€3.34
PLN 15.21
  • Manufacturer: PLASTROL
  • Colour: White color
  • Voltage [V]: 230
  • Ground: Yes
  • Cable length [m]: 1900-01-03 00:00:00
  • Net weight [kg]: 0.46
Supplier
P.W.U-H PLASTROL
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Emos P19450 1908045001

Elektro Sychra
Starting at
€38.42
CZK 977.36
  • Colour: Orange
  • Material: Plastic
  • Manufacturer: EMOS
  • Voltage: 230.0000
  • Length of power cord: 50.0000
  • Length: 50.0000
Supplier
Elektro Sychra
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EMOS Textile insulation tape 19mm / 10m black 2002191020

Elektro Sychra
Starting at
€1.14
CZK 29.01
  • Colour: Black
  • EAN: 8595025311566
  • Manufacturer: EMOS
  • Length: 10.0000
  • Thickness: 0.3960
Supplier
Elektro Sychra
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Emos P01730 1901213000

Elektro Sychra
Starting at
€35.05
CZK 891.82
  • Colour: Black
  • EAN: 8592920011041
  • Manufacturer: EMOS
  • Length of power cord: 30.0000
Supplier
Elektro Sychra
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EMOS Self-vulcanizing insulation tape 19mm / 10m black 2003191020

Elektro Sychra
Starting at
€4.65
CZK 118.26
  • Colour: Black
  • EAN: 8595025361554
  • Manufacturer: EMOS
  • Length: 10.0000
  • Thickness: 0.8000
Supplier
Elektro Sychra
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EMOS PVC extension cable on drum - 4 sockets 25m (P19425)

Elektro Sychra
Starting at
€20.58
CZK 523.64
  • Colour: Orange
  • Material: Plastic
  • EAN: 8595025325150
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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Emos P194252 1908142500

Elektro Sychra
Starting at
€23.94
CZK 609.17
  • Colour: Orange
  • Material: Plastic
  • EAN: 8592920036860
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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Emos P1515 1902150500

Elektro Sychra
Starting at
€6.99
CZK 177.77
  • Colour: White
  • Material: Plastic
  • Surface finishing: Matt
  • EAN: 8595025301567
  • Manufacturer: EMOS
  • Length of power cord: 3.0000
Supplier
Elektro Sychra
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EMOS Two-core flexible supply - 30m, orange 1901013001

Elektro Sychra
Starting at
€17.51
CZK 445.54
  • Colour: Orange
  • Material: Plastic
  • EAN: 8595025363947
  • Manufacturer: EMOS
  • Length of power cord: 30.0000
Supplier
Elektro Sychra
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Emos P194253 1908042512

Elektro Sychra
Starting at
€31.84
CZK 810.00
  • Colour: Orange
  • Material: Plastic
  • EAN: 8592920058183
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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EMOS Insulation tape PVC 15/10 - brown

Elektro Sychra
Starting at
€0.19
CZK 4.77
  • EAN: 8595025313263
  • Manufacturer: EMOS
Supplier
Elektro Sychra
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Emos P01720 1901212000

Elektro Sychra
Starting at
€24.24
CZK 616.61
  • Colour: Black
  • EAN: 8592920011034
  • Manufacturer: EMOS
  • Length of power cord: 20.0000
Supplier
Elektro Sychra
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Emos P19450P 1908045010

Elektro Sychra
Starting at
€49.67
CZK 1,263.72
  • Colour: Black
  • Material: Plastic
  • Surface finishing: Glossy
  • EAN: 8595025384867
  • Manufacturer: EMOS
  • Length of power cord: 50.0000
Supplier
Elektro Sychra
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Emos P0311 1902030150

Elektro Sychra
Starting at
€2.32
CZK 59.13
  • Colour: White
  • Housing shape: Rectangular
  • Material: Plastic
  • Surface finishing: Matt
  • Manufacturer: EMOS
  • Length of power cord: 1.5000
Supplier
Elektro Sychra
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EMOS PVC extension cable on drum - connector 25m (P19125)

Elektro Sychra
Starting at
€23.48
CZK 597.28
  • Colour: Orange
  • Material: Plastic
  • EAN: 8595025325136
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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EMOS PVC extension cable on drum - 4 sockets 25m fixed center (P19425P)

Elektro Sychra
Starting at
€28.50
CZK 725.21
  • Colour: Black
  • Material: Plastic
  • Surface finishing: Glossy
  • EAN: 8595025384850
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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PremiumCord ppb-01-25 1908242503

Elektro Sychra
Starting at
€31.25
CZK 795.12
  • Colour: Black
  • Material: Plastic
  • Surface finishing: Matt
  • EAN: 8595025392640
  • Manufacturer: EMOS
  • Length of power cord: 25.0000
Supplier
Elektro Sychra
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Emos P19420 1908142001

Elektro Sychra
Starting at
€21.60
CZK 549.67
  • Colour: Orange
  • Material: Plastic
  • EAN: 8595025325181
  • Manufacturer: EMOS
  • Length of power cord: 20.0000
Supplier
Elektro Sychra
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EMOS Insulation tape PVC 19/20 - black 8595025318862

Elektro Sychra
Starting at
€0.64
CZK 16.22
  • EAN: 8595025318862
  • Manufacturer: EMOS
  • Thickness: 0.1300
  • Length: 20.0000
  • Product width: 20.0000
Supplier
Elektro Sychra
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EMOS Two-core flexible supply - 15m, orange 1901011501

Elektro Sychra
Starting at
€10.50
CZK 267.02
  • Colour: Orange
  • Material: Plastic
  • EAN: 8595025363923
  • Manufacturer: EMOS
  • Length of power cord: 15.0000
Supplier
Elektro Sychra
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Cables and wires

The task of cables and wires, regardless of their structure or cross-section, is to provide electricity, control pulses or information. These utilities are an indispensable element of every network and installation, both in the power industry and ICT.

Cables and wires in teleinformatics and power engineering

The basic building block of cables and wires is a conductor capable of the orderly movement of electrons - most often copper, which is the basis for power utilities (although aluminum is also often used here) and ICT. Another type of cable is the optical fiber used for information transmission.

Solutions for ICT

ICT cables and wires belong to one of the three media groups available on the market for signal transmission: coaxial cables, twisted pair cables or optical fibers. In new networks, coaxial cables are practically no longer used, and the ICT network architecture is based on structured cabling in the form of optical fibers and twisted-pair cables.

A coaxial cable rarely used in ICT

Coaxial cable consists of a copper core in plastic insulation, surrounded by a copper shield. The whole thing is inside a plastic outer t-shirt. The specific structure of the concentrator allows it to be used directly at metal objects. The transmission takes place without power loss or external electromagnetic interference of the transmitted signal.

Currently, coaxial cables in ICT have almost completely replaced optical fibers. Concentrator is used in measuring techniques and as an antenna cable.

Copper, twisted pair, shielded and unshielded

Twisted pair is a signal cable used in ICT installations. It is made of eight wires twisted in pairs, where the twist in a pair is usually one coil by 6-10 cm. The twist is different for each pair of cables, which reduces the effects of mutual electromagnetic interference and crosstalk. The cable is also protected against interference from the environment.

There are different braiding technologies and therefore individual twisted pairs may have different twist. The signal cable is most often used in telephone installations and Ethernet networks, with the FTP (unshielded) twisted pair being more popular than the UTP (shielded) twisted pair.

Categories of structured cabling

The division of structured cabling into categories is a way to organize the elements of the ICT system, as well as to ensure backward compatibility with older solutions. The following categories can be distinguished: 1, 2, 3, 5 / 5e, 6, 6A, 7 and 7A. Currently, the category 5 (less and less) and 6 twisted pair are commonly used, while the higher categories are used in the construction of specialized computer networks, e.g. backbone.

Fiber optic cable

Both coaxial cable and twisted pair, together with power cables and cables, belong to a wide group of electrically conductive media. Transmission consists in conducting electrical impulses, while in an optical fiber the signal carrier is a beam of infrared light, which is transmitted through the glass fibers.

Compared to copper media, optical fiber is characterized by much higher capacity, insensitivity to electromagnetic interference and long-distance transmission. However, it is fragile and delicate, and requires expensive network equipment, so it is not used as often as it could due to the quality of the transmission.

Solutions for the power industry

The power industry is primarily cables and copper and aluminum wires, which can be divided into bare and insulated. Bare cables are used in overhead lines, while insulated cables and cables are laid in the ground, under plaster, in plaster and on plaster.

Cable and wire markings

Cables and wires in the power industry are marked in a certain standardized way in order to facilitate identification by installers, and thus ensure the safety of the installation. Markings are placed on the cable insulation in the form of a clear imprint. The first letter of the designation determines the structure of the vein:

  • D - wire;

  • L - line;

  • Lg - flexible line.

When the conductor is made of a material other than copper, the letter A (aluminum) or F (steel) appears before the conductor structure designation. Before marking the material, in turn, the term of the cable sheath may appear, i.e. the letter Y (PVC sheath).

Letters describing the insulation material appear after the letter (s) denoting the core structure:

  • Y - PVC;

  • G - rubber;

  • X - polyethylene.

The next letter refers to the construction of the cable (e.g. d - increased insulation thickness, p - flat cable), and the next letters help to define its purpose (e.g. ak - battery cable, t - plug-in cable). In addition to letter symbols, it is also used on wires designation of the rated voltage.