What is the top cable?
cable above the head is a cable that is often observed overhead, above houses in residential areas; It usually provides power transfer or data. These cables are located on large wooden service columns and are arranged from the least dangerous cables - for telephone and cable television - the most dangerous - power cables - at the top. Metal metal -based cable can cause other nearby cables if the power and gear cables are suspended side by side, but this does not happen if the cables are optical fibers. The head cables are a cheaper alternative to connect cables underground. Each upper cable is responsible for carrying information or power to connected houses or buildings. There are also systems in addition to cables that operators have access to cable managers.
The most common use and reason why the upper cable was first suspended is data transfer. The director's cables were first used when the telegraph system became popular and the cables were needed to overnose of information about the telegraph. At the beginning of the 21st century, information about telephone and cable TV is sent through these cables, creating an extensive communication network.
Another common use for the top cable cable is the transfer of power from power plants to houses. These electrical lines are mostly made of aluminum and steel, because these metals are effective in performing energy into a house or building that requires energy. They are threaded high above the ground and air provides most of the necessary insulation, so these wires are cheap for production, maintenance and use.
Each upper cable is arranged on the basis of danger. Data transfer cables transmit less energy, so they are in bottom, while higher energy cables are located higher. This helps with safety because higher cables are less likely to fall to the ground and prevent wire interaction. Another reason is that the cables are needed insulation and whatThe cable is higher, the more natural insulation it gets from the wind.
Old, metal communication overhead cables tend to create noise when the telephone cable and the power cord interact. This noise can only be buzzing or static, or can randomly cause users of the phone to hear a different conversation for a few seconds. Interactions are not a problem for modern communication optical cables because no noise is formed.