A residential PV system uses two 120.240Vac utility-interactive inverters with a sealed lead-acid battery energy backup for protected loads. The MOST important protected load consideration when operating in the backup mode is that:
A.
The protected loads must have automatic restart function.
B.
All protected loads are connected in multiwire branch circuits.
C.
The peak current from the sealed lead- acid batteries must not exceed peak demand currents.
D.
The stand-alone system configuration can adequately supply current to all protected load branch circuit.
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