The requirements cover portable counter scales, ordinarily of the computing type, that are rated 250 volts or less. These scales consist of an attachment plug, a length of flexible cord, a switch, one or more lamps, lampholders, ballasts if electric-discharge lamps are used, and associated internal wiring. They are intended to be used in accordance with the National Electrical Code, NFPA 70.
ANSI/UL 466-2004 history
2004ANSI/UL 466-2004 Electric Scales and Accessories (Proposal Dated 5/16/08)