Mixing class one and non-electricity-restricted fire alarm circuits shall be permitted to occupy the same cables, enclosure, or raceway devoid of regard to In case the voltage is alternating or direct latest, assuming that the conductors are insulated for the utmost voltage of any conductor during the raceway or enclosure. https://archerlcqes.blogtov.com/7265461/the-smart-trick-of-fire-alarm-safety-that-no-one-is-discussing