Wisconsin Statutes Utilities (Ch. 196 to 201) § 196.67. Warning signs

(1) Any person constructing, operating or maintaining an overhead electrical supply line with a voltage of 6,000 or more between conductors or between conductors and the ground shall place warning signs from 4 to 6 feet above the ground, upon all poles or other structures supporting the line.

(1m) If it determines that it is necessary for public safety, the commission, by order or rule, may apply sub. (1) to any person constructing, operating or maintaining an overhead electrical supply line with a voltage of 2,000 or more.

(2) The commission shall establish standards for warning signs on overhead electrical supply line poles and structures.

(3) A public utility or an agent, as defined in s. 196.66(3)(a), violating this section shall be fined not less than $50 nor more than $5,000 for each offense. A director or officer of a public utility violating this section shall be fined not less than $50 nor more than $2,500 for each offense. An employee of a public utility violating this section shall be fined not less than $50 nor more than $1,000 for each offense.