light pipe
Defined in 1 place of the United States Code.
the term “light pipe” means a device designed to transport visible solar radiation from its collection point to the interior of a building while excluding interior heat gain in the nonheating season.
Source
- 2007–present42 U.S.C. § 17173The Public Health and Welfare · Daylighting systems and direct solar light pipe technology · for purposes of this section