I believe you can get pullswitch dimmers with a seperate mechanically switched output.
Here it is:
http://www.tlc-direct.co.uk/Main_In..._Menu_Index/Pull_Cords_All/Dimpull/index.html
Claims to be compatible with fans, but i dont think it has a seperate output - certainly the destructions dont refer to one.
Here it is:
http://www.tlc-direct.co.uk/Main_In..._Menu_Index/Pull_Cords_All/Dimpull/index.html
Claims to be compatible with fans, but i dont think it has a seperate output - certainly the destructions dont refer to one.