Ceiling fan light kit
Ceiling fan light kit means equipment designed to provide light from a ceiling fan that can be -
(1) Integral, such that the equipment is attached to the ceiling fan prior to the time of retail sale; or
(2) Attachable, such that at the time of retail sale the equipment is not physically attached to the ceiling fan, but may be included inside the ceiling fan at the time of sale or sold separately for subsequent attachment to the fan.
10 CFR § 430.2
For purposes of this part, words shall be defined as provided for in section 321 of the Act and as follows -