How is an addressable system wired? Just daisy chain between each device detector? Are the horns or strobes addressable, or do they just all go on 1 or 2 "horn circuits"? Is there a required wire/cable for this, or can you use thhn in emt?

In a conventional panel, I assume that if you want each smoke on an individual zone, you have to homerun it to the panel. Since he would like to try to do most of the system in conduit, i think this would make me use a much larger pipe than an addressable system.

Any good how to websites like this one for the fire alarm trade?

Thank you for all the suggestions!