Colored lamp
Colored lamp means a colored fluorescent lamp, a colored incandescent lamp, or a lamp designed and marketed as a colored lamp with either of the following characteristics (if multiple modes of operation are possible [such as variable CCT], either of the below characteristics must be maintained throughout all modes of operation):
(1) A CRI less than 40, as determined according to the method set forth in CIE 13.3 (incorporated by reference; see ยง 430.3); or
(2) A CCT less than 2,500 K or greater than 7,000 K.
Source
10 CFR § 430.2
Scoping language
For purposes of this part, words shall be defined as provided for in section 321 of the Act and as follows -