Does 1 fuse cover both high voltage inputs?
Yes. The rating on the fuse is 1/2A, 600V, Class CC, 200KAIC, UL Listed, RoHS compliant.
If the fuse in the power meter is blown, can it be repaired?
Yes. The fuse is a repairable item by returning the meter to the factory.
Do I need fused leads when installing the power meter?
No. The power meter needs to be downstream from a UL approved circuit breaker.