Section R. 325.3619 - Ventilation; lighting; electricityRule 19.
(1) A shelter shall be provided with adequate ventilation and natural lighting. The natural light area, as provided by exterior glazed openings, shall be not less than 8% of the habitable space. The openable window area shall be not less than 45% of the window area, except where some other approved device that affords adequate ventilation is supplied.(2) Outside openings that are used for ventilation shall be protected during the fly season with not less than 16-mesh screening. A screen door shall be equipped with a self-closing device. Toilet facilities constructed after the effective date of these rules shall be ventilated to the outdoors.(3) A shelter shall be provided with electric service that is adequate to meet the requirements of the national electrical code for the load being served.(4) Each room in a shelter and a common use room or area, such as a laundry room, central toilet, hallway, or stairway, shall have not less than 20 footcandles of light. Not less than 2 wall-mounted duplex electrical outlets, with l duplex outlet per 12 lineal feet of wall, shall be provided in all habitable space. However, in existing habitable space, 2 wall-mounted duplex electrical outlets, with l duplex outlet per 16 lineal feet of wall, are approved until a major change is made to the electrical system. Bathrooms shall have at least 1 wall-mounted duplex electrical outlet. All bathroom and laundry area outlets shall be provided with ground fault circuit interrupter protection. Electrical service in a privy or portable toilet is not required.(5) Adequate lighting shall be provided for the yard area and pathways to common use facilities.(6) Wiring and lighting fixtures shall be installed and maintained in a safe condition.(7) New electrical wiring shall comply with the requirements of the national electrical code and, except for incidental electrical wiring, shall be approved by the electrical inspection authority that has jurisdiction or shall be certified by a licensed electrical contractor.Mich. Admin. Code R. 325.3619