chewed wiring from rodents 5
https://wiki-dale.win/index.php/Why_a_Rodent_Entry_Point_Inspection_Matters_Before_You_Seal_Anything
I found a nest of shredded paper and insulation behind the dryer, and that's when I noticed the chewed wiring from rodents. The exposed copper was frayed, and I could see tiny teeth marks along the plastic coating. It made me realize just how dangerous these little visitors can be—one spark and the whole house could go up.