Smoke alarms should be tested according to

• A. Local Codes
• B. Monthly
• C. According to Manufacturers Instructions
• D. Annually

Answer: (C)

Testing smoke alarms according to the manufacturer’s instructions is the best approach because each device is designed differently. The manual specifies the exact test method, how often to test, what indicators confirm proper operation, and the required maintenance steps (such as battery checks, power connections, interconnections, and when to replace the unit). Following these instructions ensures you’re checking the detector the way it was designed to be tested and that you’re addressing the specific needs of that model. Local codes may add requirements, and some brands may suggest monthly or annual checks, but the universal baseline is to perform testing per the manufacturer. This keeps the system reliable and alerts you to failures or aging components on the device’s terms.