Save electric fire should first do what? When charged, are fire extinguisher saves available?

First of all, the power of the electrical equipment shall be disconnected. When charged, can use dry powder fire extinguishers, or carbon dioxide fire extinguishers.

Dry powder fire extinguisher to extinguish fire commonly also can be put out of oil, gas, and burning fires. 

A dry powder fire extinguisher is carbon dioxide or nitrogen gas used as the power, the powder jet fire within the cylinder. The powder is a kind of dry, easy flow of fine solid powder, made up of fire extinguishing makings and moistureproof agent, flow improver, agglomeration preventing agent additive composition, and so on. 

Is mainly used to save oil, organic solvent and other flammable liquids, combustible gas, and electrical equipment from the initial fire.

Co2 fire extinguisher is mainly used to save precious equipment, documents, instruments, and meters, 600 volts at the beginning of the following electrical equipment and oil fires. When used, should first be a fire extinguisher mentioned locations, put down the fire extinguisher, pull out the latch, one hand hold the megaphone root handle, another hand holds the opening and closing valve pressure. 

Co2 fire extinguisher, with no discharge hose, should turn the megaphone to up 70-90 degrees. When using, can not directly by hand grasp megaphone connecting pipe, the outer wall, or metal to prevent frostbite. When using co2 fire extinguisher, used outdoor, should choose the upper hand direction injection; In the use of narrow space, indoor fire after the operator should leave quickly, in case of suffocation.