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 symptoms of carbon monoxide include: Headache; Nausea; Dizziness; Vomiting; Confusion; How does a CO detector sound? Itâs safe to say that most people are more familiar with the sound of their smoke detector or fire alarm then with the sound of their carbon monoxide alarm. For this reason it is important to know that when your CO detector goes off it will sound like intermittent beeping. The sound will be much like the one your smoke detector makes when the battery needs to be changed.