All solar panel installations must adhere to National Fire Protection Association (NFPA) Standards and the 2015 International Code Council (ICC) Fire Code. Solar panel installations must also adhere to the following as of April 1, 2014:
F-605.11.1.1.1 Emergency Solar Panel Disconnect Switch (Page 82)
An emergency direct current (DC) Underwriters Laboratory (UL) approved disconnect switch shall be installed near the main disconnect switch that shuts down all DC power coming from the solar panels. This switch shall disconnect all DC cables from the voltage source and facilitates firefighting without an electric hazard. A weather proof sign shall be placed near the emergency switch. The signage and the location of the switch shall be approved by the Fire Marshal.