CFR > Title 46 > Chapter I > Subchapter J > Part 111 > Subpart 111.59 CFR > Title 46 > Chapter I > Subchapter J > Part 111 > Subpart 111.59 – Busways Current as of: 2024 | Check for updates | Other versions § 111.59-1 General § 111.59-3 No mechanical cooling