In residential it's rare. On utility sites it's used quite commonly for power and comms between settings and buildings. We only use stranded for that because there may be lots of bends in the conduit from point A to B. Specifically where it has to be in conduit and in Class 1 Div II areas.
Typh00nYTG t1_j1ioxau wrote
Reply to comment by ZAFJB in Can I install this single pole switch in place of the dimmer switch that was here? by Affectionate_Cronut
In residential it's rare. On utility sites it's used quite commonly for power and comms between settings and buildings. We only use stranded for that because there may be lots of bends in the conduit from point A to B. Specifically where it has to be in conduit and in Class 1 Div II areas.