torque tube
Defined in 1 place of the United States Code.
The term "torque tube" means a structural steel support element (including longitudinal purlins) which—
Source
- 2022–202626 U.S.C. § 45XInternal Revenue Code · Advanced manufacturing production credit · for purposes of this section
The term “torque tube” means a structural steel support element (including longitudinal purlins) which—
(aa) is part of a solar tracker,
(bb) is of any cross-sectional shape,
(cc) may be assembled from individually manufactured segments,
(dd) spans longitudinally between foundation posts,
(ee) supports solar panels and is connected to a mounting attachment for solar panels (with or without separate module interface rails), and
(ff) is rotated by means of a drive system.
Source
- 2026–present26 U.S.C. § 45XInternal Revenue Code · Advanced manufacturing production credit · for purposes of this section