Kk normal wires are fr. Wires are insulated with special grade pvc compound which has high oxygen and temperature index. These properties restrict spreading of fire in a very high temperature. Lt also provides high insulation resistance and dielectric strength. These cables are suitable for conduit and concealed wiring in residential complex, office complex, hospitality industries etc. these cables are lsl marked and conform to is-694-2010 and also ensure extra protection against electric shock, short circuit and fire.