There are several types of cables used in networks. Twisted pair cable is used for home and corporate Ethernet networks and cancels out electromagnetic interference. Fibre optic cable has the highest bandwidth and can transmit data over long distances but is expensive. Coaxial cable was mainly used for TV but can now be used for high-speed home networking. Patch cables are short cables that connect electronic devices. Ethernet crossover cables directly connect computers without a switch. Power lines were not designed for networking but new technologies allow them to transmit data.

1. CABLES USED IN
NETWORKS

2. TWISTED PAIR
 Twisted pair cabling is a wiring in which pairs of wires are
twisted together for the purposes of canceling out
electromagnetic interference (EMI) from other wire pairs and
from external sources.
 This type of cable is used for home and corporate Ethernet
networks.

3. FIBRE OPTIC CABLE
 An optical fiber cable consists of a center glass core
surrounded by several layers of protective material. The
outer insulating jacket is made of Teflon or PVC to prevent
interference. It used fro fast information transfers.
 It is expensive but has higher bandwidth and can transmit
data over longer distances.

4. COAXIAL CABLE
 Coaxial cables have been installed mostly for transmission of
TV signals, but new technologies open the possibility of using
home coaxial cable for high-speed home networking
applications.
 Coaxial lines can be bent and twisted (subject to limits)
without negative effects.

5. PATCH CABLE
 A patch cable is an electrical or optical cable used to connect
one electronic or optical device to another for signal routing.
Devices of different types are connected with patch cords.
 It is a very fast connection speed. They are relatively short,
no longer than 2 meters.

6. ETHERNET CROSSOVER CABLE
 An Ethernet crossover cable is a type of cable used to
connect computing devices together directly where they
would normally be connected via a network switch, hub or
router, such as directly connecting two personal computers
via their network adapters.
 Some newer Ethernet devices support the use of cross-over
cables in the place of patch cables.

7. POWER LINES
 Power wires are not designed for networking applications,
but new technologies like Power line communication allows
these wires to also be used to interconnect home computers,
peripherals or other networked consumer products. Their
main use is to provide power supply for network components.