All individuals or business organizations are forbidden to attach any ground-wire or wires to any plumbing which is, or may be, connected to a service connection or main belonging to the city. The city will hold the customer liable for any damage to its property occasioned by such ground-wire attachments. [Ord. 910 Art. 7, § 5, 2016; Ord. 878 Art. 7, § 5, 2015.]