Mixing course 1 and non-power-confined fire alarm circuits shall be permitted to occupy precisely the same cables, enclosure, or raceway without the need of regard to if the voltage is alternating or immediate recent, so long as the conductors are insulated for the most voltage of any conductor from the https://firealarmsafety79901.mdkblog.com/32403213/the-definitive-guide-to-fire-alarm-system-integration