In an electric power system, a switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgears are used both to de-energize equipment to allow work to be done and to clear faults downstream. This type of equipment is directly linked to the reliability of the electricity supply.
Fire is one of the major hazards to life and property. And electrical cables are perhaps one prime sources of generation and propagation of fire. Protection of cables against fire is therefore an important and primary consideration is in the design and manufacture of cables. Scientists and Engineers all over the world have been seriously concerned, about behavior of electrical cables under fire. Extensive studies and rigorous research into materials and construction of cables has led to the development of fire retardant cables.