Section R. 408.31098c - [Effective 4/22/2025] Lighting alterationsRule 1098b. Section 9.1.2 of the standard is amended to read as follows:
9.1.2. Lighting alterations. For the alteration of any lighting system in an interior space, that space shall comply with the lighting power density, LPD, allowances of section 9.5.1 or 9.6.1 and the control requirements of section 9.4.1.1 (a) to (d) and (g) to (i) as applicable to that space. For the alteration of any lighting system for the exterior of a building application, that lighting system shall comply with the LPD allowances of section 9.4.2 applicable to the area illuminated by that lighting system and the applicable control requirements of sections 9.4.1.4 and 9.4.2. Exception: Alterations that involve 50% or less of the connected lighting load in a space or area need not comply with these requirements, provided that the alterations do not increase the installed lighting power.
Mich. Admin. Code R. 408.31098c
2017 AACS; 2024 MR 23, Eff. 4/22/2025