Electric fence kept insulated from the earth and from any materials that will conduct electricity and ignite or short out the fence. Fencing must therefore avoid vegetation, and cannot be attached directly to wood or metal posts. Typically, wooden or metal posts are driven into the ground and plastic or porcelain insulators are attached to them, or plastic posts are used. The conducting material is then attached to the posts. Electrified palisade fences are usually made from painted mild steel, galvanized steel, stainless steel or aluminium. Typically the fences are . The palisade fence is mechanically stronger than a typical steel cable
Battle of Agincourt on the defensive, he was eventually forced to take a calculated risk, and move his army further forward to start the battle. This entailed abandoning his chosen position and pulling out, advancing, and then re-installing the long sharpened wooden stakes pointed outwards toward the enemy, which helped protect the longbowmen from cavalry charges. (The use of stakes was an innovation for the English: during the Battle of Crécy, for example, the archers had been instead protected by pits and other obstacles.) The tightness of the terrain also seems to have restricted the planned deployment of the French forces. The French