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Wisconsin CO Alarm Law.

Wisconsin CO Alarm Law Protects Citizens from the Silent Killer

Effective February 1, 2011, a new Wisconsin law protects residents from deadly carbon monoxide (CO).  UL-listed CO alarms must be installed in all new and existing one- and two-family dwellings with an attached garage or fuel-burning appliance, such as a stove, furnace, water heater, fireplace, or grill.

Known as the “silent killer,” CO is the leading cause of accidental poisoning deaths in the United States, according to the Centers for Disease Control and Prevention (CDC). The only safe way to detect carbon monoxide in your home is with a working CO alarm.

Wisconsin Law Summary:

  • CO alarms must be installed in ALL new and existing one- and two-family dwellings with an attached garage or a fuel-burning appliance.
  • CO alarms shall be installed on every level of the home, including basements, and near sleeping areas.
  • For new construction, CO alarms shall be AC/DC and interconnected. Dwellings without electrical service shall install DC-only alarms. Interconnection is not required.
  • For existing homes, CO alarms may be AC/DC, AC plug-in with DC back-up, or DC-only.
  • CO alarms must be listed and labeled identifying compliance with UL 2034 AND shall bear an Underwriters Laboratories, Inc. mark. Combination CO/Smoke alarms are permitted.

Please see Wisconsin Act 158 for further review, http://legis.wisconsin.gov/2009/data/acts/09Act158.pdf

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