Originally Posted by Tom
Originally Posted by Ann Brush
I have never seen an exterior residential condensing unit with two electrical conduits attached, they only ever have one, it would be carrying 230V and 24V conductors.


If the low voltage relay wires are in with the power, this is probably a code violation since it is unlikely that the furnace/ac installer ran those wires in compliance with a chapter 3 wiring method and the exceptions that were in my original reply.

Around here, the installers cable tie the low voltage cable to the sealtight
conduit as permitted in 300.11(B)(2)


I see a problem brewing when the Class 2 wiring is tied to the "sealtight" due to the fact that the conductors are exposed to sunlight and most of these installations are installed this way using a two conductor cable that does not have a sunlight resistant jacket.

George Little