Section R. 408.41731 - Location and protection of electric linesRule 1731.
(1) Electric lines crossing work areas, employee foot or vehicular traffic aisles, shall be fastened overhead or protected by a cover capable of withstanding the imposed loads without creating a tripping hazard.(2) All wiring installed above grade and used for construction operations shall be maintained at a height which provides safe clearance for all work operations.Mich. Admin. Code R. 408.41731