1204.5 Buildings With Rapid Shutdown

The type of solar photovoltaic system rapid shutdown shall be labeled with one of the following:

1. For solar photovoltaic systems that shut down the array and the conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of ³/₈ inch (10 mm) in black on a yellow background. The remaining characters shall be uppercase with a minimum height of ³/₁₆ inch (5 mm) in black on a white background. The label shall be in accordance with Figure 1204.5.1(1) and state the following:

   SOLAR PV SYSTEM EQUIPPED
   WITH RAPID SHUTDOWN.
   TURN RAPID SHUTDOWN SWITCH
   TO THE "OFF" POSITION TO SHUT
   DOWN PV SYSTEM AND REDUCE
   SHOCK HAZARD IN ARRAY.

2. For photovoltaic systems that only shut down conductors leaving the array, a label shall be provided. The first two lines of the label shall be uppercase characters with a minimum height of ³/₈ inch (10 mm) in white on a red background and the remaining characters shall be capitalized with a minimum height of ³/₁₆ inch (5 mm) in black on a white background. The label shall be in accordance with Figure 1204.5.1(2) and state the following:

   THIS SOLAR PV SYSTEM EQUIPPED
   WITH RAPID SHUTDOWN. TURN RAPID
   SHUTDOWN SWITCH TO THE "OFF"
   POSITION TO SHUT DOWN CONDUCTORS
   OUTSIDE THE ARRAY. CONDUCTORS
   WITHIN ARRAY REMAIN
   ENERGIZED IN SUNLIGHT.

A rapid shutdown switch shall have a label located not greater than 3 feet (914 mm) from the switch that states the following:

RAPID SHUTDOWN SWITCH
FOR SOLAR PV SYSTEM