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 Franklin (1864) constructed of dirt and rails, which was intended to be a barrier to traffic, not a full-fledged defensive earthwork. (The gap was also defended by the guns of Battery A, 1st Kentucky Artillery. The men of the 44th Missouri also extended the retrenchment line to the west along their front with hastily dug trenches.) The actual earthworks in the southern portion of the line were formidable. Attacking infantry would be confronted by a ditch about four feet wide and two to three feet deep, then a wall of earth and wooden fence rails four feet above normal ground level, and