CFR > Title 46 > Chapter I > Subchapter J > Part 111 > Subpart 111.33 CFR > Title 46 > Chapter I > Subchapter J > Part 111 > Subpart 111.33 – Power Semiconductor Converter Systems Current as of: 2024 | Check for updates | Other versions § 111.33-1 General § 111.33-3 Nameplate data § 111.33-5 Installation § 111.33-7 Alarms and shutdowns § 111.33-9 Ventilation exhaust § 111.33-11 Propulsion systems