Led display is the cause of the fire

1. The wire on the market can be said to be the quality is good and bad are intermingled, many bad spools are with copper clad aluminum wire, looks is copper wire, it is mainly aluminum alloy, the line can only be used as a temporary wire, there is no way to use on regular products. 2. Used inferior power, or smaller power, or the power supply long-term overload running. 3. Led the PCB material is inferior, unreasonable design and process more bad result in copper wire have burr, eventually cause a short-circuit phenomenon, this is to be the main reasons for the fires.