The Rutland Green Economy Electric Fencing Poly Posts. Rutland Electric Fencing can be used with wire and 12mm, 20mm and 40mm tape. Top of the post to the bottom of spike measures 98cm (84cm above the ground). Galvanised steel spike. Single Foot Plate. Can be used with all conventional tapes, wires and ropes. Vertically reinforced to increase stability. For temporary fencing and strip grazing. Suitable for ponies, horses and other animals such as cattle and sheep.