US lawMinnesotaRegulationsDEPARTMENT OF HEALTHChapter 4660 — CHAPTER 4660, BOARDING CARE HOMES; PHYSICAL PLANT4660.4700Minn. R. 4660.4700MECHANICAL AND ELECTRICAL SYSTEMS, EXISTING AND NEWYear: 2026Length: 21 wordsOfficial source The requirements for plumbing, heating, ventilation, and electrical systems are covered in parts 4660.7800 to 4660.8610 and 4660.9900 to 4660.9940 .PreviousMinn. R. 4660.4600NextMinn. R. 4660.4810