What are the causes of short circuits and fires in LED electronic screens?

1. Improper wiring and cabling of the LED display screen; 2. Non-standard cables used; 3. Unreasonable power supply configuration for the LED display screen; 4. The LED display screen was not fire-tested during production, the PCB board was not coated with conformal coating, and inexpensive electronic materials were used.
< 12 >