An opening located within the top of a unit of equipment that is designed for use with a cover or lid shall be flanged upward at least five millimeters (two-tenths inch).
Except as specified in item D, fixed piping, temperature measuring devices, rotary shafts, and other parts extending into equipment shall be provided with a watertight joint at the point where the item enters the equipment.
23 SR 519
October 11, 2007
Official Publication of the State of Minnesota
Revisor of Statutes