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...
Since carbon monoxide is a colorless, odorless poisonous gas, carbon monoxide detectors are designed to alarm you if levels of carbon monoxide in the home reach life threatening levels. Today, youâre going to learn how to install a smoke alarm and carbon monoxide detector like the one you see here.