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UL-approved smoke alarms may give false sense of security

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Uploaded on Aug 18, 2009

The worlds leading testing and safety organization puts its seal of approval on millions of smoke alarms that may not work in a deadly fire. So why does Underwriters Laboratories endorse smoke detectors that often remain silent in a room full of smoke? WTHR shows you why these UL-approved smoke alarms may give you and your family a false sense of security. Note: This story first aired on WTHR-TV in Indianapolis in July 2007.

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