When mounting an Envoy on the supplied DIN rail in a PVC box wired via PVC conduit, is there any requirement to accompany the conductors with a ground wire? The envoy itself does not have a ground connection and the only exposed metallic part is the DIN rail.
I'm thinking I need to mount a ground lug in the PVC box so the circuit conductors have a ground wire in the conduit. I have always used the IQ combiner even for larger systems because it was just easier. I'm considering changing to a regular PVC junction box with just an Envoy. While on the subject, if there is ample space within a load center, would it be permissible to mount the Envoy right inside the enclosure? 400A plus load centers in residential settings often have a lot of empty space!
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