L1-02D.03 – Interconnection

L1-02D.03 – Interconnection Fire Alarm Notification Devices MSA Level 1 Anytime more than two visuals can be seen, they must be synchronizedNew construction- Activating one detector shall cause alarm to sound in all...

L1-02D.02 – Hearing Impaired

L1-02D.02 – Hearing Impaired Fire Alarm Notification Devices MSA Level 1 If household has one hearing impaired occupant, visible signal...

L1-02D.01 – Noise Levels

L1-02D.01 – Noise Levels Fire Alarm Notification Devices MSA Level 1 Clearly audible over background noise with all intervening doors closed (75db at the pillow) Noise levels above 105 dBA will require a visual device. Household Fire Sound...