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Cable fire fighting methods

  Date:2014/9/16 9:34:13 Hits:913
Once the cable fire, extinguish the following methods shall be used: 
(1) cut off the power supply cable caught fire. Cable fire burning, no matter what causes should immediately cut off the power, then, according to the path and characteristics of the cable passes through, carefully check to identify the point of failure of the cable, while fighting personnel should be quickly organized. 
(2) non-faulty cable cable trench fire power cut. When the cable channel in the cable burst into flames, laying side by side in the same ditch their cable obvious possibility of fire, you should cut off the power supply of these cables. Cable if a hierarchical arrangement, the first cable above the fire heating cable power cut, then cut off the cable side by side with the fire power cable, and finally fire the following cable power cable cut off. 
(3) Close the cable trench across the fire doors or blocked at both ends of the cable channel. Cable when the cable trench fire, in order to avoid air circulation, to facilitate the rapid fire, every cable channel should be closed or blocked fire doors at both ends, using the method of suffocation fire. 
(4) do personal protection when the fire extinguishing cable. Since the cable on fire will produce a lot of smoke and toxic gas, cable Fight fire fighting personnel should wear protective masks. To prevent fighting during physical shock, fighting personnel should wear rubber gloves and wear insulated boots, if found one phase high-voltage cables, the fighting should be observed: Interior shall enter from the point of failure within 4m, outdoor allowed to enter from failure within point 8m, in order to avoid the step voltage and touch voltage wounding. Ambulance unless injured, but it should take protective measures. 
(5) extinguish the fire using the fire fighting equipment cables. Fight cable extinguishing fire extinguisher should be used, such as dry powder fire extinguisher, "1211" fire extinguisher, carbon dioxide fire extinguisher, etc.; You can also use dry sand or loess cover; If the fire with water, it is best to use a spray gun; If the fire is very intense, not may use other means to fight the blaze until after power is cut off, can the cable trench irrigation water will fail to seal fire. 
(6) when the cable fire fighting prohibits directly touch the cable steel armor and moving cables.
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