Requirements for the smoke and Carbon Monoxide detectors / alarms installation in the city of Chicago are slightly different than those from NEC (National Electrical Code). So if you’re moving from the Chicago suburbs or other states into the Windy City you’re actually going to need LESS smoke, fire and Carbon Monoxide protection.
So let’s continue your Chicago condo inspection and check for smoke and Carbon Monoxide detectors.
Pushing test button on smoke and Carbon Monoxide detectors may only confirm that unit is mechanically functional and it has power. This test does not guarantee proper response to smoke, flame and / or CO presence.