Bs 7846 electric cables.
Fire resistant cable construction.
A major contribution towards overcoming these hazards is the use of fire resistant and non halogenated cables.
Fire resistant cable in all fire disasters fire smoke heat and toxic fumes are the main obstacles to safe evacuation of a building or area.
Construction of fire resistant cables.
The fire resistant cable are constructed in the following typical format.
Level manufacturing british standard applications.
Bs7629 1 bs en 50200 ph30 ph60 and ph120.
Kei fire resistant cable have been developed to maintain circuit integrity in a fire and to ensure maximum safe evacuation of personnel with no detrimental effects like toxic gases or smoke.
The resistance to fire performance is measured as follows.
Fire resistant and fire retardant cable sheaths are design to resist combustion and limit the propagation of flames.
Specification for 300 500 v fire resistant screened cables having low emission of smoke and corrosive gases when affected by fire multicore and multipair cables.
Fire resistant single core cables and multicore cables for bs5839 1 most fire detection and fire alarm systems bs5266 emergency lighting and standard application circuits and bs8519 life safety and fire fighting category 1 control circuits.
Thermosetting insulated armoured fire resistant cables of rated voltage 600 1000 v having low emission of smoke and corrosive gases when affected by fire.