Bozo's Electrical Code, article 99.243:
(1). Where the installation of a proper electrical box and fixed cabling will prove to be either (a) too expensive or (b) too much trouble, it shall be permitted to install any type of cord with minimal support.
(2). Any such cord so installed shall be connected to existing building wiring using splices which shall be left open to allow for air-cooling and visual inspection.
Definitions:"Too expensive": The estimated cost of following the NEC will exceed $5.
"Too much trouble": The estimated time to complete the job following NEC rules will exceed 10 minutes.
[This message has been edited by pauluk (edited 08-05-2005).]