Ohio Revised Code Title XLIX. Public Utilities § 4933.20

No person shall maliciously open, close, adjust, or interfere with a valve, regulator, gauge, gate, disc, curb cock, stopcock, meter, or other regulating, operating, or measuring device or appliance in or attached to the wells, tanks, conduits, pipelines, mains, service pipes, house pipes, display pipes, or other pipes of a gas company or manufacturer or furnisher of gas with intent to cause the escape of gas or to injure or destroy such property. No person shall maliciously enlarge or alter a mixer furnished or approved by a gas company or manufacturer or furnisher of gas to or for a consumer of gas, or maliciously remove from its connection a mixer so furnished or approved. No person shall without express permission, consume for fuel the gas of a gas company or manufacturer or furnisher of gas without the use of a mixer so furnished or approved by such gas company or manufacturer or furnisher of gas, or tap, sever, or open a main or pipe used or intended for the transmission of gas, or connect with such main or pipe any other main or pipe. This section does not apply to an agent or employee, for that purpose, of the owner, manufacturer, or operator of the devices or appliances referred to in this section.

As used in this section, “gas” includes natural and artificial gas used for heating and illuminating purposes.