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
Picket fence without blocking views, and are used around both front and back yards. Traditionally picket fences were made out of wood and painted white (or whitewashed), but now picket fences are also widely available in polyvinyl chloride (PVC). Until the introduction of advertising on fences in the 1980s, cricket fields were usually surrounded by picket fences, giving rise to the expression "rattling the pickets" for a ball hit firmly into the fence. A picket fence is generally tall. A horizontal top rail and bottom rail are attached to fence posts, which are installed upright into the ground. Evenly spaced boards are