At 08:10 hours, the assignment was sent to the 2100 block of n 13th street for the report of a pole on fire. Chief 10 arrived in the area with nothing showing, however was approached by the occupants from Elite Sportswear reporting smoke in their building. The assignment was immediately upgraded to the structure assignment. Interior crews investigated multiple pieces of equipment that overheated due to a power surge that was caused by a squirrel into the main fuses on a nearby pole. After deeming there was no fire, the facility was turned over to maintenance, and the assignment was placed available.