Section R. 281.523 - Navigable waters livery vessels; electrical systemsRule 13.
(1) All electrical systems on a navigable waters livery vessel shall be safe and fit for the service intended, shall be in proper operating condition, and shall have a suitable electrical grounding system.(2) Electrical wiring shall be routed as high as possible above the bilges, shall be supported in a suitable manner with nonabrasive fasteners to structural members of the vessel, and shall be protected against chafing where passing through bulkheads or other structural members. Fasteners and protective devices shall not be capable of causing damage to the wiring.(3) Any electrical storage battery or batteries shall be compatible with its attendant electrical system.(4) A battery shall be located so that gas generated in charging is dissipated by natural or mechanical ventilation.(5) A battery shall be accessibly located, provided with suitable supports, and secured against shifting with the motion of the vessel.(6) A battery shall be located in a liquid-tight tray or box of adequate capacity to retain normal spillage or boilover of the electrolyte. The tray or box shall be constructed of, or lined with, suitable materials resistant to deterioration by the electrolyte.(7) A nonconductive, perforated cover or other suitable means shall be provided to prevent accidental shorting of the battery terminals.Mich. Admin. Code R. 281.523
2015 MR 17, Eff. 9/15/2015