# Electrical Schematic Symbols

By | March 29, 2019

# Discovering Electrical Schematic Symbols

The world of electrical engineering is filled with symbols and icons that are used to describe the way in which electrical components are connected. Understanding these symbols and icons can make it easier to diagnose and repair electrical problems. It can also help a technician plan out the layout of their circuits, ensuring that all cables and other components are properly routed and connected.

When it comes to reading an electrical schematic, there are several different types of symbols that you will encounter. It’s important to understand the basic functions of each symbol and how they work together in an electrical system. This article will provide an overview of some of the most common electrical schematic symbols that you might encounter while working on your projects.

## Basic Electrical Components

An electrical circuit consists of many basic components. These components include resistors, transistors, diodes, capacitors, inductors, relays, and switches. Each of these components has its own symbol that is used when drawing a schematic. Knowing what these symbols mean and how they interact with each other can make it much easier to design and troubleshoot electrical circuits.

A resistor is one of the most common types of electrical components used. It’s represented by a zig-zag line with two arrows at the ends. Resistor symbols can also be used to represent transistors, which are three-term devices used to amplify or switch electronic signals. Diodes are represented by a triangle with a line through it, while capacitors have a curved line with two arrows at the ends. Other components like relays, inductors, and switches can be found in any electrical schematic.

## Schematic Icons

In addition to the symbols that represent physical components, there are also symbols that represent actions and connections. For instance, there is a standard symbol for connecting two components together. This symbol is a straight line with two dots on either side. The dots indicate that the components should be connected together. Similarly, there are other symbols that indicate whether a current is flowing from one component to another or if a certain action is taking place.

When drawing an electrical schematic, the person creating the schematic will use arrows to represent the direction of the current. Arrows with one head indicate the path of current, while arrows with two heads indicate that the current is returning to its original source. Finally, there are power and ground symbols that are used to represent where power is coming from and where it is being sent.

## Conclusion

Understanding the different electrical schematic symbols can make it easier to work with electrical components in a variety of applications. From understanding basic electrical components to knowing which symbols indicate certain actions, knowledge of these symbols can help reduce time and effort when troubleshooting or designing a circuit.

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