Section R. 408.11245 - Portable outlet headersRule 1245.
(1) A portable outlet header shall not be used indoors, except where conditions preclude a direct supply from an outlet located on the service piping system.(2) A master shutoff valve shall be provided for oxygen and fuel gas at the entrance of the portable outlet header.(3) A portable outlet header shall be provided the protective devices prescribed in R 408.11252.(4) Each service outlet of a portable outlet header shall be provided with a valve assembly which includes a detachable outlet seal cap, chained or otherwise secured to the valve body.(5) A portable outlet header shall be provided a frame which will support the equipment in position and protect it from damage during handling and operation.(6) Each outlet on the service piping from which oxygen or fuel gas is withdrawn to supply a portable outlet header shall be equipped with a readily accessible shutoff valve.Mich. Admin. Code R. 408.11245