ST. JOHNSBURY â The Dec. 27 fire at 18 Spring St. started in an electrical box in the basement. Thatâs what state and local personnel determined after investigating the residence,â St. Johnsbury Fire Chief Jon Bouffard said on Wednesday. âAn electrical overload in the basement is the working theory,â he said. While no dollar value has been determined as to the cost of damage, âthereâs substantial damage within the electrical system in the basement,â Chief Bouffard added. The call originally came in at 5:15 p.m. Sunday afternoon, as smoke was coming from...