
Cables not routed through sealed glands
Power and alarm cables must enter through properly tightened glands. Loose glands = no seal = no fire rating. AHJs fail systems for this even if the RF is perfect.

Cables not routed through sealed glands
Power and alarm cables must enter through properly tightened glands. Loose glands = no seal = no fire rating. AHJs fail systems for this even if the RF is perfect.