Miss. Code Ann. § 97-25-1: Electric power lines and facilities; tampering, injury or unauthorized use; stealing or destroying fixtures and equipment.

(1) Any person who shall intentionally in anywise obstruct, injure, break, tamper with or destroy or in any manner interrupt any electric power line or the transmission of electric current in connection with such line, or who shall make or use electric power from any unauthorized connection with such line, or who shall intentionally injure or destroy any of the posts, wires, insulators, fixtures, equipment, installations or other things belonging to any electric power system, or used in connection with the furnishing of electric power service, shall be guilty of a misdemeanor and such person shall, on conviction, be fined not less than two hundred fifty dollars ($250.00) nor more than seven hundred fifty dollars ($750.00), or imprisoned in the county jail for not exceeding six (6) months, or both.

(2) Every person who shall be convicted of taking and carrying away, feloniously, such property as listed in subsection (1) of this section, of the value of one hundred dollars ($100.00) or more, shall be guilty of grand larceny and shall be imprisoned in the penitentiary for a term not exceeding five (5) years, or shall be fined not more than one thousand dollars ($1,000.00), or both.

(3) If any person shall feloniously take, steal and carry away any such property as listed in subsection (1) of this section, under the value of one hundred dollars ($100.00), he shall be guilty of petit larceny and shall be punished by imprisonment in the county jail not exceeding three (3) months, or by fine not exceeding one hundred dollars ($100.00), or both.