Just got this in an e-mail: Woodstock International is recalling Shop Fox dust collector remote switches sold last year because of a potential fire hazard. I bought one of these switches last year, but I can't remember exactly when, unfortunately.
More info -> http://www.cpsc.gov/cpscpub/prerel/prhtml09/09308.html
More info -> http://www.cpsc.gov/cpscpub/prerel/prhtml09/09308.html