水能导电，用直流水枪的水柱扑救带电的电气设备火灾，对灭火人员的身体是有害的。。所以，在灭火战斗中在设备带电的情况下，我们一般要先切断电源，再进行扑救。但是，因生产或其他原因无法切断电源时，就需要带电灭火。用水带电灭火时，带电体与喷射的水柱、水枪、人体和大 Water can conduct electricity. It is harmful to the fire extinguisher’s body to use a water jet’s water column to save live electrical equipment. . Therefore, in the case of live equipment during firefighting, we usually cut off the power supply first and then save. However, when the power cannot be cut off due to production or other reasons, it is necessary to extinguish the fire. When charged with water, the live body and the jetted water column, water gun, human body and large