The frame and bed plates of generators, transformers, motors other than low voltage mobile motors, and all metallic cable covering other than trailing cables, shall be efficiently grounded.No owner, lessee, agent, or operator of a mine shall violate this section.
Electrical equipment to be grounded
Ohio Rev. Code Ann. § 1567.20, under Chapter 1567 | Mine Equipment; Safety Provisions.
Ohio Rev. Code Ann. § 1567.20