sunset in Portal mast Nijmegen...

Portal mast, yoke (mast), double mast

The portal masts forms a large delta pylons like collect group mast designs that are not bound to a tight definition, but always have more than one tower.


In Netherlands is the portal mast especially popular with over the top (where the one power line ' bends down to let another over it) but they are also as an independent design in a number of complete high-voltage lines used.