Dry powder fire extinguishers cannot be used if this type of device catches fire.
Dry powder fire extinguishers cannot be used when a generator catches fire. The dry powder will produce water when melted at high temperature, causing secondary short circuit damage to circuit components and causing safety accidents such as electric leakage. Dry powder extinguishers cannot extinguish fires in high temperature environments and will intensify the intensity of the fire. They will produce dirt and oxides on the surface of the equipment and accelerate the aging of the equipment.
When a fire breaks out in power lines or electrical equipment and ignites nearby combustibles, the method of shutting off electrical power and extinguishing the fire should generally be be adopted, that is to say according to the diDifferent conditions of the fire scene, the power supply should be cut off in time and then extinguished.
Be careful not to use water to put out the fire first, as electrical appliances are usually charged and water poured on them is conductive. Using water to extinguish fire may cause electric shock. is not enough to put out the fire, the losses will be even more serious. In the event of an electrical fire, water may only be used to extinguish the fire if it is confirmed that the electrical supply has been cut off. If it is uncertain whether the electrical power has been interrupted, dry powder, carbon dioxide, carbon tetrachloride and other extinguishing agents may be used to extinguish the fire.
Among electrical fires, the most dangerous are televisions and computers. If TVs and computers catch fire, even if the power is turned off and the plug is unpluggedhey, the fluorescent screen and cathode ray tube may explode. In order to effectively prevent explosions, you should follow the following methods:
When a TV or computer smokes and catches fire, you should immediately unplug the main power plug, and then cover it with a wet carpet or a This can not only effectively prevent the spread of fireworks, but also block the glass fragments of the fluorescent screen once it explodes.
Detailed information:
Prevention of electrical fires
1 . Do not buy counterfeit and poor quality household products with the “Three Nos”.
2. When using household appliances, there must be a complete and reliable power cord plug. Appliances with metal housings must be grounded for protection.
3. Switchesand fuses cannot be installed on the ground wire and neutral wire. It is prohibited to connect the ground wire to tap water or gas pipes.
4. Do not touch energized equipment with wet hands or wipe energized equipment with a damp cloth. Do not overload electrical equipment.
5. Do not connect wires indiscriminately or move energized equipment casually.
6. When inspecting and repairing household appliances, the power supply must first be disconnected. If a household appliance is damaged, seek professional help or send it to a repair shop for repair; Non-professionals are strictly prohibited from opening the casing of a household appliance when the appliance is powered on.
7. When the power cord of a household appliance is damaged, it must be replacedimmediately or wrapped in an insulating cloth.
8. When a fire breaks out in household appliances or cables, you must first disconnect the power supply and then extinguish the fire.