Section R. 408.13861 - Portable powered tools generallyRule 3861.
(1) An electrically powered tool shall have an approved ground unless it is double-insulated and carries a permanent label or mark so stating.(2) A pneumatically powered tool shall be equipped with a tool retainer where the absence of a retainer would result in a tool being ejected.(3) Hose and hose fittings used with pneumatic powered tools shall have pressure ratings not less than the supply source.(4) Hose connections shall have a positive-locking action or the connecting sections shall have a safety chain to restrain any whipping action if the sections become disconnected.(5) An air supply line shall be regulated to maintain the pressure at not more than the pneumatic tool rating.(6) Safety devices and operating controls shall not be made inoperative.Mich. Admin. Code R. 408.13861