1. As long as the sparkler is used, the fire protection function should be turned on. Once a strong light or flame is found, the alarm will be immediately reported.

2. If the current used is too large, the spark will be very large in the process of discharge. Try to use the oil, which will be more safe.

3. Short circuit: Short circuit is caused by the metal contact between the phase line and the neutral line or between the phase line. When there is a short circuit, the temperature rises sharply, causing the insulation to burn and causing a fire.

4. The overload operation time of the spark machine is long: if the line and equipment of the spark machine exceed the rated value for a long time, there will be problems with the accessories.

5. Poor contact: screws or other materials will be used between various accessories of the spark machine. If a certain part is loose, it will increase the resistance, leading to problems.

6 spark machine or arc caused, because the spark machine will produce arc when working, and the temperature of the arc can reach 6000 degrees, in the high temperature condition is easy to make some substances natural, constitute a fire.