This kind of accident usually accounts for 50%. In order to avoid the accidents of aluminum magnet wire, besides strengthening the working quality of storage, transportation, and laying off aluminum magnet wire, it is more important to strictly implement the soil movement system. Corrosion of protective layer: electrochemical corrosion of underground stray current or chemical corrosion of non-neutral soil makes the protective layer ineffective and loses its protective effect on insulation.
The solution is to install discharge equipment in areas with dense stray... less