Yep thos are fine. I preferred wire in it's insulation for extra protection and I was pulling many cables (NMEA, Masthead, Spreader lights).
I used class 200 PVC as it's lighter than schedule 40.
I also used Blue Sea Cable Clams on all my wire exits to protect from water intrusion and to support the wires.
I'm quite happy with all of this thus far (1 year).
-p
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