January 26, 2011 CO Detectors Required Statewide as of 2.1.2011

CO Detectors Required Statewide Beginning February 1, 2011
All one and two family dwellings will be required to install carbon
monoxied (CO) alarms to comply with changes in Chs. Comm 21 and 28,
Wis. Adm. Code.  The rule changes are in response to 2009 Act 158,
enacted March 10, 2010, and follow a similar requirement for
multi-family dwellings.
"According to the American Medical Association, CO poisoning is the
leading cause of accidental poisoning in the US," said Department of
Commerce Secretary Paul Jadin.  "CO alarms have shown their
effectiveness in alerting occupants to the presence of this poisonous
gas."
One and two family dwellings for which a building permit is issued on
or after February 1, 2011 require carbon monoxide alarms that are
interconnected and directly wired to the dwelling's electrical
service, with a backup battery supply.  Existing dwellings may use
battery-powered, stand-alone alarms.  The alarms must be installed in
the basement and on each floor level except the attic or garage.  The
law applies only to dwellings that contain CO sources.. CO sources
include, but are not limited to garages, heaters, fireplaces,
furnaces, appliances or cooking sources using coal, wood, petroleum
products, or other fuels emitting CO as a by product of combustion.

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