1. Place the powered electric heater near flammable or combustible materials, and cause a fire under prolonged high-temperature baking.

2. The electric heater is not equipped with a plug, and the wire head is directly inserted into the socket, which can easily cause a short circuit and lead to a fire.

3. The user did not unplug the plug of the electric heater when leaving, which took too long and caused the electric heater to overheat, igniting nearby combustibles and causing a fire.

4. Continuing to use the electric heating wire after multiple repairs can cause overloading of the circuit and lead to a fire. It is worth noting that the electric heating wire of the electric heater in the electric heating furnace is made of nickel and chromium alloy, with a temperature of over 800 degree . Due to the high power of electric heaters, users may overlook safety and a fire may occur at any time.

1. The wire must be installed with a plug, and the wire head cannot be directly inserted into the socket.

2. The aging and damage of the electric heater wires should be replaced in a timely manner.

3. Electric heaters without fuses installed in the circuit shall not be used.

4. When using an electric heater, it must be watched by someone. When leaving, the plug should be unplugged. During use, if there is a power outage, the plug should also be unplugged in a timely manner and not forgotten.

5. For electric heating wires that have been repaired multiple times, it is best to no longer use them and replace them with new ones.

6. Flammable and explosive materials are strictly prohibited from being dried with an electric heater.

7. The electric oven should have a temperature control device to prevent both excessive temperature and prolonged baking time.