Section R. 408.40712 - Requirements generallyRule 712.
(1) Only apparatus designed for use with fuel gas or oxygen, such as a torch, regulator, pressure-reducing valve, acetylene generator, and manifold, shall be used for welding or cutting.(2) Fuel gas, oxygen, or compressed air shall not flow from a cylinder or manifold through a torch or other device equipped with a shutoff valve unless the pressure is reduced by a regulator attached to the cylinder or manifold.(3) An oxygen cylinder, fuel gas cylinder, cylinder valve, coupling regulator, hose, and apparatus shall be kept in good operating condition and shall be kept free from defects.(4) An oxygen cylinder, fuel gas cylinder, cylinder valve, coupling regulator, hose, and apparatus shall be kept free from oily or greasy substances and shall not be handled with oily hands or gloves. A jet of oxygen shall not be permitted to strike oily surfaces or greasy clothes and shall not be permitted to enter a fuel, oil, or other storage tank.(5) Oxygen shall only be used for welding or cutting.(6) Welders shall place welding cable, hose, and other equipment so that it is clear of passageways, ladders, and stairways, or shall assure that it is protected against damage and does not create a hazard to an employee.Mich. Admin. Code R. 408.40712
1980 AACS; 2005 AACS; 2013 AACS