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C) The PV Inverter requires an adequate cooling space for heat dispersal.
Therefore, the PV Inverter must have sufficient clearance for the air flow
as illustrated below:
Figure 5.4.2: Required Clearance Space
IMPORTANT
The NEC requires that the DC disconnect should be mounted
between 3 ft ~ 6.5 ft from the ground if the PV Inverter will be used
as the standard disconnect.