1. The market of wire can be said that the quality varies greatly, a lot of poor wire spools are used copper clad aluminum, the appearance is copper, in fact, mainly aluminum, this line can only be used as a temporary wire to use, There is no way to use it for regular products.
2. Use of poor power, or power is small, or long-term power overload operation.
3.led pcb board material is inferior, the design is unreasonable and poor technology lead to copper burrs, eventually causing a short circuit, which is the main reason for the fire.
