Regular inspections, battery replacements, and testing alarms help maintain reliability.

According to the National Fire Protection Association’s Code NFPA 25 (titled “Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems”), private fire hydrants must undergo inspection once per year, with an accompanying flow test and any necessary maintenance performed on the same schedule. Keep in mind that your town, city, or county may adopt more or less strict testing requirements. 

Recessed lights, as with any kind of light, can be a fire hazard if not installed correctly. Because of this, it’s best to have a professional complete the installation for you. Properly installed lights should not pose a threat and often have heat sensors installed in them that turn the light off if the temperature gets too high.

A smoke alarm that beeps periodically, often every 30 to 60 seconds, usually indicates a low battery. The first step is to replace the battery. If this doesn't solve the problem, try resetting the alarm. However, beeping can also signal other issues, such as dust buildup in the sensors or the unit reaching the end of its life. Different beep patterns can mean different things; for example, multiple beeps might indicate an issue with a combination carbon monoxide detector, while a continuous, loud alarm means smoke has been detected. If a new battery doesn't stop the beeping, it's best to consult your alarm's manual, call a professional, or replace the unit.