a. Requirements for solar arrays in 7.2 shall apply to all exposed parts of a power system, except that
1. the use of a blocking diode at each end of string (the solution generally applied on solar arrays) is not applicable, and
2. the power supply shall be adapted to reproduce the current that could be available to the discharge.
NOTE This current can be very high (of the order of 1 Ampere).
b. Testing requirements for solar arrays in 7.2.3 shall apply all exposed parts of a power system.
NOTE The objective is to demonstrate that secondary arcing due to any kind of primary phenomenon cannot lead to damage.
c. Requirements on high voltage systems in clause 8 shall apply all exposed parts of a power system.