Quote:
Originally Posted by topfiverecords
....wiring shafts all with wide open gaps into the attic...
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Amazing how much humidity, condensation and ice you can get from a 2 1/2” wiring conduit without a cap. We had one run from our utility room to the attic for future wire pulls when we built. I found water in the utility room floor after a cold spell and was baffled until I climbed up there and found the conduit had no cap. All the warm humid house air travelled up and froze till the conduit was plugged, then started flowing once temperatures went up. Found some water damage on some ceiling drywall at a pot light in the area, so there was probably a lot of frost up there.