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...
Any standard carbon dioxide detector with a battery can be used. Place the carbon monoxide detector in the vehicle, close the windows and vents, start the vehicle and immediately exit. After 10 minutes, shut down the vehicle, and check the detector's readings to determine if there is a carbon monoxide leak in the car.