CFR›Title 10›Chapter II›Part 431›Subpart L ContainsSections 431.201–431.202; Subject groups Energy Conservation Standards–Test ProceduresCorpusDaily eCFRDisplayed edition2026-09-01Last updated2026-09-01 Subpart L—Illuminated Exit Signs Contents 431.201 § 431.201 Purpose and scope. 431.202 § 431.202 Definitions concerning illuminated exit signs. Energy Conservation Standards Energy Conservation Standards Section 431.206 Test Procedures Test Procedures Sections 431.203–431.204 Source70 FR 60417, Oct. 18, 2005, unless otherwise noted. Previous K Subpart K—Distribution Transformers Next M Subpart M—Traffic Signal Modules and Pedestrian Modules