608.9.4.2 Outdoor systems.
FC § 608.9.4.2
Outdoor systems, including reach-in and walk-in facilities and mobile systems, shall be designed and installed in accordance with the rules. Rooftop systems with an aggregate rated energy capacity exceeding 400 kWh, other than lead acid battery systems, may be installed only on the rooftops of buildings of noncombustible construction.













