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 alarm shall include a piezoelectric horn that is rated at 85. decibels at 10 feet. When the unit detects carbon monoxide, the. alarm pattern will be four (4) short beeps â followed by five (5) seconds of silence â followed by four (4) short beeps with a. corresponding red LED flash. It shall also include a 5-year manufacturerâs limited warranty.