It is unlawful for any person to wilfully obstruct or injure any public road or highway; or maliciously cut, burn, or in any way break down, injure or destroy any post or pole used in connection with any system of electric lighting, telephone or telegraph system; or break down and destroy or injure and deface any electric light, telegraph or telephone instrument; or in any way cut, break or injure the wires of any apparatus belonging thereto; or to wilfully tap, cut, injure, break, disconnect, connect, make any connection with, or destroy any of the wires, mains, pipes, conduits, meters or other apparatus belonging to, or attached to, the power plant or distribution system of any electric light plant, electric motor, gas plant or water plant; or to aid or abet any other person in so doing.