Is It Really Necessary To Replace Smoke Detectors Every 10 Years?

Is It Really Necessary To Replace Smoke Detectors Every 10 Years? Smoke alarms have a limited lifespan. The National Fire Protection Association (NFPA) recommends every smoke alarm be replaced after 10 years and that regular batteries be replaced every six months. Do smoke detectors really expire? Like coupons and canned goods, smoke alarms have an

What Are L1 L2 L3 Fire Alarm Systems?

What Are L1 L2 L3 Fire Alarm Systems? Category L1 – Maximum life protection automated fire alarm system. Category L2 – Additional life protection automated fire alarm system. Category L3 – Standard life protection automated fire alarm system. What is the difference between an L2 and L3 fire alarm system? Category L2: The rooms or