Section 25214.8.2 Of Article 10.2.1. Mercury-added Thermostats, Relays, Switches, And Measuring Devices From California Health And Safety Code >> Division 20. >> Chapter 6.5. >> Article 10.2.1.

. On and after January 1, 2006, a person shall not sell, offer to sell, or distribute for promotional purposes in this state, a mercury-added thermostat, unless the mercury-added thermostat meets either of the following criteria:
  (a) The thermostat will be used for manufacturing or industrial purposes.
  (b) The thermostat will be used by a blind or visually impaired person.