Dennis: OK, I think you done real good! and below see also the discussion on the question first posted in the link above:
The low voltage thermostat wires are not permitted to be run in the same cable or conduit because they do not have sufficient construction specifications to permit them to be installed with electric light, power conductors and any failure of the cable insulation due to a fault could lead to hazardous voltages being imposed on the thermostat circuit conductors.
The use of the same insulation for circuits up to 600 volts for both AC and DC is acceptable when run in the same cable or conduit, but not for this application.
It is better to see that thermostat wiring run in a separate cable or conduit, or wrapped around the cable or conduit that will supply the unit.
Joe Tedesco, NEC Consultant
Re: Mixing Line Voltage and Thermostat Wires in aAC Disconnect#105258 08/01/0409:12 AM08/01/0409:12 AM
725.55 does not permit under any circumstance for Class 2 conductors to be installed in RACEWAYS with any power conductors, even associated conductors are not permitted in the same raceway. Enclosures and other items yes, under specific restrictions, but not raceways.
Re: Mixing Line Voltage and Thermostat Wires in aAC Disconnect#105261 08/01/0410:46 AM08/01/0410:46 AM
OK, the picture is not too clear to me. We have the heavy black and light blue conductor pairs that look like line and load. We have an orange and a blue spliced to the aux contacts on the breaker. And we have some sort of a coil of unidentified white wire that doesn't really seem to start or end anywhere. What's with the white - what is it? Where does it originate and terminate?
Re: Mixing Line Voltage and Thermostat Wires in aAC Disconnect#105263 08/12/0407:11 PM08/12/0407:11 PM
The blue wire on the very left of the photo comin gout of the yellow wire nut goes up and then back down ans seems to end in a spade connector that is not attached to anything. The smaller blue wire from the same yellow worenut goes almost directly to the right and ends up in the coil of white, green, red, and yellow wire. What is going on here?
Re: Mixing Line Voltage and Thermostat Wires in aAC Disconnect#105264 08/16/0404:40 PM08/16/0404:40 PM