When there are two lines crossing over each other without any other symbol, it means the wires are not connected. In a schematic drawing, the standard symbol for a wire is a straight line. The most basic component in any electrical circuit is the conductor, which is usually a wire. The circuit is represented on the schematic drawing. The schematic drawing uses electrical symbols to represent all of the different components within the system. All of this activity has to be clearly outlined on the schematic. The current powers a variety of mechanisms throughout the system, such as motors and controllers. However, you can use switches and disconnects to turn off the current to certain parts of the system, and keep it on in other sections, which might be necessary when performing various tasks. When working on an electrical system, the power must be shut off. It is up to the electrician to properly read and understand all symbols and possible variations used. In most cases the electrical symbols used are standard however, some schematic drawings might use slight variations. Reading blueprints and knowing the meaning of every schematic symbol used is a basic part of your electrician training. These symbols tell you whether the wires are connected or not, where to put in a toggle or push button switch, where to connect a ground, and everything else you need to know in order to install the system correctly. When installing a new wiring system or repairing an existing one, you will probably use a schematic, which is a detailed drawing of how the system should look.Įvery line and circle in the schematic is symbol.
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