Electronics Schematics: Commonly Used Symbols and Labels Simple electronic circuits can have as little as two components. Most electronic circuits will have additional components. There are hundreds of different types of electronic components, and each has its own unique schematic diagram symbol. Fortunately, you need to know only a few basic symbols and labels to get you started. Note that when used  100+ Electrical & Electronic Circuit Symbols There are some standard symbols to represent the components in a circuits. This article gives some of the frequently used symbols for drawing the circuits. There are many electrical and electronic schematic symbols are used to signify basic electronic or electrical device. These are Electrical Symbols | Electronic Symbols | Schematic symbols 107 rowsElectrical Symbols & Electronic Symbols. Electrical symbols and electronic circuit symbols COMPONENT NAMEMEANINGElectrical WireConductor of electrical currentConnected WiresConnected crossingNot Connected WiresWires are not connectedSPST Toggle SwitchDisconnects current when openSee all 107 rows on wwwdtables Cleveland Institute of Electronics Electronics Symbols PDF fileThe symbols listed in this handbook were collected after much research by the Technical Staff of Cleveland Institute of Electronics, Inc. Because the electronics industry has not adopted a single symbology standard, CIE has included the most frequently used symbols that represent each component. The index lists components by general classification.