Temperature control
1) Each enclosed area within which a heater is located shall have a temperature control device.
2) Notwithstanding Subrule 1), trace heater sets and heating panel sets shall be permitted to extend into adjacent rooms and be controlled by a single temperature control device.
Source: Rule 62-202, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org