What are the classification of cables?

Low-tension cables — up to 1000 V. High-tension cables — the operating voltage of high tension cables is up to 11000 V. Super-tension cables — the operating voltage of super tension cable is from 22 kV to 33 kV. Extra high-tension cables — from 33 kV to 66 kV.

What is the 3 types of cable?

Cables are classified into 5 types depending upon their purpose as follows:
  • Ribbon Electric Cables. It consists of multiple insulated wires running parallel with one another and is used for transmission of multiple data simultaneously. …
  • Shielded Cables. …
  • Twisted Pair Cables. …
  • Coaxial Cables. …
  • Fibre Optics Cable.

How are electrical wires classified?

THHN and THWN wires have colored sheathings that are generally used to identify their function in a circuit: Hot wires: Black, red, orange. Neutral wires: White, brown. Ground wires: Green, yellow-green.

What are types of HV and LV cables?

They are – rated, nominal, extra-low, low, medium, high and extra-high. Cables work on voltage levels. They are selected depending upon the voltage that will be passed through wires. In this post, we will see some basic differences between two widely used cables – HV (High Voltage) and LV (Low Voltage).

What are the 7 types of cable network?

The following sections discuss the types of cables used in networks and other related topics.
  • Unshielded Twisted Pair (UTP) Cable.
  • Shielded Twisted Pair (STP) Cable.
  • Coaxial Cable.
  • Fiber Optic Cable.
  • Cable Installation Guides.
  • Wireless LANs.
  • Unshielded Twisted Pair (UTP) Cable.

What XLPE cable stands for?

cross linked polyethylene
XLPE is an acronym for cross linked polyethylene. XLPE is a thermosetting polymer meaning that the material (polyethylene (PE)) is cured under heat and in that process forms bonds in all directions forming a three dimensional matrix. Within this XLPE matrix there is space between the individual molecules.

What are voltage classifications?

This document divides voltages into five classifications. These classifications can be combined into the categories below: High (HV), Extra- High (EHV) & Ultra-High Voltages (UHV) – 115,000 to 1,100,000 VAC. Medium Voltage (MV) – 2,400 to 69,000 VAC. Low Voltage (LV) – 240 to 600 VAC.

What is LV and MV cable?

Medium voltage (MV) cables up to 36 kV are deployed for the connection of the LV network to the primary distribution network. Low voltage (LV) cable systems up to 1 kV serve to connect buildings and carry power over short distances of not more than several hundred meters.

What type of cable is HT?

High Tension (HT) Power Cable.

How many types of cable are there?

There are more than 20 different types of cables available today, designed for applications ranging from transmission to heavy industrial use. Some of the most commonly-used ones include: Non-Metallic Sheathed Cable : These cables are also known as non-metallic building wire or NM cables.

What are the three most common types of cable for transmitting power?

There are three types of cables used in wired transmission namely twisted pair cables, coaxial cables and fiber optic cables.

What is HT and LT cable?

They are also known as high tension (HT) cables and low tension (LT) cable. Further categorization of LT and HT Cables is done as follows: Rating: LT cables have a rating from 660 V to 1100 V. Cables having a rating of above 3300 V (33kV) are termed as HT cables.

What is electrical cable and its types?

An electric cable has the purpose of transporting electrical energy from one point to another.

Designation according to type of insulation.
nomenclatureCable type
XCross-linked polyethylene (XLPE)
Z1Halogen-free thermoplastic polyolefin
ZHalogen-free thermosetting elastomer
VPolyvinyl chloride (PVC)

How many types of voltage rating cable are there?

Classification based upon voltage rating of the cable

Super tension cables: These have a maximum voltage handling capacity of 33 kV. Extra high tension cables: These have a maximum voltage handling capacity of 66 kV. Extra super voltage cables: These are used for applications with voltage requirement above 132 kV.

What is difference between wire and cable?

The basic key difference between wires and cables is that a wire is a single conductor whereas a cable is a group of conductors. Although, these conductors are made of a common material- copper or aluminium. Usually, the wires are bare and are twisted. But, some of the wires are coated with thin PVC layer.

What are the five types of wire?

5 Different Types of Electrical House Wiring Systems
  • Cleat Wiring. This wiring comprises of PVC insulated wires or ordinary VIR that are braided and compounded. …
  • Casing and Capping Wiring. …
  • Batten Wiring. …
  • Lead Sheathed Wiring. …
  • Conduit Wiring.

What are voltage classifications?

This document divides voltages into five classifications. These classifications can be combined into the categories below: High (HV), Extra- High (EHV) & Ultra-High Voltages (UHV) – 115,000 to 1,100,000 VAC. Medium Voltage (MV) – 2,400 to 69,000 VAC. Low Voltage (LV) – 240 to 600 VAC.

What are the types of voltage?

There are two types of voltage, DC voltage and AC voltage. The DC voltage (direct current voltage) always has the same polarity (positive or negative), such as in a battery. The AC voltage (alternating current voltage) alternates between positive and negative.

What is classified as high voltage?

High voltage is classified as having the potential to cause injury or harm. The ratings of the International Electrotechnical Commission (IEC) consider high voltage to be more than 1,500 volts for DC (direct current) circuits and 1,000 volts for AC (alternating current) circuits.

What is low voltage cables?

Conversely, low-voltage cabling (also called structured wiring) is electrical wiring and trim that requires less current to power infrastructural technologies such as phones, security wires, fire alarms, intercoms, internet, etc.

What is medium voltage cable?

In electrical engineering, a medium voltage cable is considered to be a cable that has a voltage rating between 1000V and 30KV.