Not sure if any of these made it to JA, but check it just in case

The Consumer Product Safety Commission announced the recall Thursday of about 4.8 million box fans made by Pennsylvania-based Lasko Products Inc. The commission says an electrical failure in the fan's motor can pose a fire hazard.
http://www.boston.com/news/nation/articles/2011/03/24/cpsc_48_million_box_fans_r ecalled_for_fire_risk/?rss_id=Boston.com+%2F+Boston+Globe+--+National+News