CFR › Title 46 › Part 111 › §111.33-546 CFR §111.33-5Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkEach semiconductor converter system must meet the installation requirements, as appropriate, of—(a)Sections 4.31.19.2, 4.31.19.7, and 4.31.19.8 of IEEE 45.2-2011 (incorporated by reference; see § 110.10-1 of this subchapter); or(b)IEC 60092-304:1980 (incorporated by reference; see § 110.10-1 of this subchapter).