3 and 4 way switch wiring:
With reguard to wireing in the home:
Thermostat circuits are generally Class 2 power limited circuits as defined in NEC article 725. They must be wired with UL listed cable labeled "CL2". Category 5 network cable is usually listed as type "CM" (article 800) but some styles may be dual labeled as "CL2" also. If you're careful to buy the right cable, article 725 (remote control) circuits can be run in the same cable with article 800 (communication) circuits. There are fixed legal limits on the power (not just voltage) that these circuits can supply (think fuses). Read and understand the NEC before doing any wiring in your house. This kind of wiring can burn down houses if done wrong.
Questions:
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