Fire caused by electric shock cannot be extinguished with water or a conventional fire extinguisher, but use dry sand

Fire caused by electric shock cannot be extinguished with water or a conventional fire extinguisher, but use dry sand or sandblast extinguisher. Why?

Fire caused by electric shock must not be extinguished with water. water is a good conductor and can complete an electrical circuit.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.