POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 27 Heating and Vent Chapter 27.19 Electric Heating Systems
27.19.058 Other Permanently Placed Electric Heaters.

Nothing in the regulations contained in this Chapter shall prohibit the installation of other types of permanently placed electrical heat‑generating and emission units not presently covered herein when such units are approved by the Underwriters’ Laboratories, Inc., and installed in a manner approved by such Laboratories providing they meet the general provisions of this Chapter and further that a separate disconnect shall be provided in each heated space, except that no individual thermostatic control shall switch any combination of heaters totaling more than 7 kilowatts.