Anchor portal
An anchor portal[1] 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.
Gallery
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			 A simple H-frame anchor tower consisting of two poles and one horizontal crossarm, bearing similarity to the letter H A simple H-frame anchor tower consisting of two poles and one horizontal crossarm, bearing similarity to the letter H
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			 anchor pylon and anchor portal, 380kV anchor pylon and anchor portal, 380kV
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			 anchor gantry, 110kV anchor gantry, 110kV
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			 diagonal frame diagonal frame
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			 Multi-level gantry tower Multi-level gantry tower
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			 Gantry tower with road underneath Gantry tower with road underneath
References
- ^ kalhor, mostapha. "power electrical Engineering - Anchor portal". powertower.page.tl. Retrieved 12 June 2025.

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