Template:Short description {{ safesubst:#invoke:Unsubst||date=__DATE__ |$B= Template:Ambox }} An anchor portal or H-frame tower is a gantry structure supporting overhead power lines in a switchyard. Their static function is similar to a dead-end tower. Anchor portals are almost always steel-tube or steel-framework constructions.
GalleryEdit
- Power line Morales1.jpg
A simple H-frame anchor tower consisting of two poles and one horizontal crossarm, bearing similarity to the letter H
- Abspannmast Abspannportal.jpg
anchor pylon and anchor portal, 380kV
- UW-Birkenfeld Abspannportal.jpg
anchor gantry, 110kV
- UW Seewiesen Zuleitung.jpg
diagonal frame
- Huge gantry tower in Golczewo.jpg
Multi-level gantry tower
- Mastportal Pszenno.png
Gantry tower with road underneath