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 type of cable is classification 5?

Class 1: Solid conductors, Class 2: Stranded conductors, Class 5: Flexible conductors, Class 6: Conductors with flexibility more than Class 5.

What is Class 2 and Class 5 conductor?

The higher the class, the more strands in the conductor: Class 1: Solid, round. Class 2: Stranded conductor, (typically 7 or 19 strands). Class 5: Multi-stranded for general, flexible use.

How many types are cables?

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 is a Class 3 cable?

Class 3 cables shall have a voltage rating of not less than 300 volts. Class 2 and Class 3 cables shall have a temperature rating of not less than 60°C (140°F).

What is class A wire?

Class A wiring in a fire alarm system uses a primary signal path to all the devices, and if the signal path is interrupted, Class A wiring uses the Class A Return wires as an alternate pathway the signals.

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 is cable size?

Cross sectional area of the conductor – sometimes called ‘cable size’ Given as mm², it describes the total cross-sectional area of the copper conductor. Cable will be sized 1 mm², 2 mm², 4 mm² etc. and may be written as 1 mm, 2mm, 4mm. This is not the diameter of the cable.

What are the 2 type of cable?

Twisted Pair Cables has two or more insulated copper wires twisted with each other and coded with color. Twisted Pair cables are especially used in telephone cables. The number of wires can measure the resistance to external interference. Coaxial Cables are made of solid copper or steel conductor plated with copper.

What is CAT 5 cable used for?

Category 5 cable is used in structured cabling for computer networks such as Ethernet over twisted pair. The cable standard prescribes performance parameters for frequencies up to 100 MHz and is suitable for 10BASE-T, 100BASE-TX (Fast Ethernet), 1000BASE-T (Gigabit Ethernet), 2.5GBASE-T.

What is a CAT 5 Ethernet cable?

Cat5 cables offer high-transfer speeds at a low cost and can transfer up to four signals at once. Technically, Cat5 cables can support Gigabit Ethernet, too. These cables are versatile, and can be used in a variety of applications, from networking to telephone wiring.

What speed is CAT 5 cable?

The Cat 5 cable speed is rated for 10/100 Mbps up to 100 meters (328 Feet) Performance set by TIA/EIA 568-5-A. Cat 5 has four twisted pairs of copper wire. Possible to get 1000Base-T over the four pairs.

What’s better Cat5 or Cat 6?

Cat5e and Cat6 cables both support speeds of up to 1,000 Mbps, which is sufficient for most internet connections, but the main difference is in the bandwidth. Higher bandwidth means faster data transfer, and Cat6 cables operate on frequencies up to 250 MHz, compared to the Cat5e’s 100 MHz support.

What is Cat 5 Cat6 Cat7 cable?

Cat5e – Has a speed up to 1.000 Mbit/s, 100MHz. Cat6 – Has a speed up to 1.000 Mbit/s, 250MHz. Cat6a – Has a speed up to 10.000 Mbit/s, 500MHz. Cat7 – Has a speed up to 10.000 Mbit/s, 1.000MHz.

What is Cat6 cable used for?

A Cat 6 cable is used mainly for computer networks reaching a Gb, 1000 Mbps or one Gbps of data transfer speed (DTR) or higher. Characteristics are as follows: Consists of four pairs of copper wires, which are all utilized for data transfer.