Electrical Definitions. Sealable Equipment. Equipment enclosed in a case or cabinet that is provided with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure. The equipment may or may not be operable without opening the enclosure.
How long does a Carbon Monoxide Alarm last? First Alert alarms are warranted for 5 years, then it should be replaced with a new CO Alarm. SensorPack Modules and batteries should be replaced as needed for those alarms requiring them. Source(s): http://www.firstalert.com/CarbonMonoxide...
The short answer is Kidde. We've been making carbon monoxide alarms longer than any other company, and all Kidde carbon monoxide (CO) alarm products â from basic units to premium carbon monoxide alarms â include the companyâs patented Nighthawkâ¢ electrochemical CO sensor. Install one on every level of your home to enjoy a whole new level of peace of mind.