UpCodes logo
Go To Full Code Chapter
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), (b), (c), (d), (g), (h), and (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 lighting power density (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 to 9.1.2
  1. Alterations that involve 20% or less of the connected lighting load in a space or area need not comply with these requirements, provided that such alterations do not increase the installed lighting power.
  2. Lighting alterations that only involve replacement of lamps plus ballasts/drivers or only involve one-for-one luminaire replacement need only comply with LPD requirement and Section 9.4.1.1(h) or 9.4.1.1(i).
  3. Routine maintenance or repair situations.

Related Code Sections

9.1.2 Lighting, 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 ...
N1109.1.4 [RE] Energy Efficiency, (R503.1.4) Lighting
New lighting systems that are part of the alteration shall comply with Section N1104.1. Exception: Alterations that replace less than 50 percent ...
M1308.1 General Mechanical System Requirements, Drilling and Notching
Wood-framed structural members shall be drilled, notched or altered in accordance with the provisions of Sections R502.8, R602.6, R602.6.1 and R802.7 ...
M2101.6 Hydronic Piping, Drilling and Notching
Wood-framed structural members shall be drilled, notched or altered in accordance with the provisions of Sections R502.8, R602.6, R602.6.1 and R802.7 ...