17 M.R.S. §3956: Electric fences

No person or individual may sell, utilize, install or have installed within this State equipment, devices or methods whereby fence wires may be energized with electricity unless a standard type of controller is used, which has the approval of the Underwriter's Laboratories and carries such label thereon or has the approved listing of the Department of Industrial Cooperation at the University of Maine System.

Any violation of this section shall be punishable by a fine of not more than $100 or by imprisonment for not more than 90 days, or by both.