{"id":12706,"date":"2024-03-20T16:04:41","date_gmt":"2024-03-20T15:04:41","guid":{"rendered":"https:\/\/b3v39j.myrdbx.io\/ul-wissen\/ul-wiki\/circuit-diagram\/"},"modified":"2026-08-11T17:15:06","modified_gmt":"2026-08-11T15:15:06","slug":"circuit-diagram","status":"publish","type":"wiki","link":"https:\/\/krayer.de\/en\/ul-wissen\/ul-wiki\/circuit-diagram\/","title":{"rendered":"Circuit Diagram"},"content":{"rendered":"\n

Circuit diagrams, schematic diagrams, or circuit diagrams are an important component of electronic devices and, therefore, also of our UL 508A-certified control cabinets<\/strong>. Here, we explain exactly what a circuit diagram is and what its function is. <\/p>\n\n

<\/p>\n\n

What is a circuit diagram?<\/h2>\n\n

The term ” wiring diagram<\/a>” refers to a simple graphical overview of an electrical circuit.<\/strong> Other terms for a wiring diagram include circuit diagram or circuit sketch. The diagram focuses solely on the function of the<\/strong> individual components and their electrical connections<\/strong>. For this reason, wiring diagrams are presented in an abstract and simplified manner<\/strong>. Lines and components are the main elements of these diagrams. With clearly defined and standardized symbols<\/strong> for the components and their connection types, the diagram is easy for experts to understand. The circuit symbols used in Europe comply with the international standard IEC 60617. In North America, the representation formats of the ANSI Y32 standard are used. These diagrams are extremely important in electronics and are created, for example, for the circuits andgrounding<\/a> of control cabinets. <\/p>\n\n

<\/div>

\"Ray,<\/div><\/div><\/p>\n\n

Example:<\/h3>\n\n

Below, we’ll look at the various components of a circuit diagram, using a control cabinet as an example.<\/p>\n\n

How does a circuit diagram work?<\/h2>\n\n

When a layperson looks at a circuit diagram, it\u2019s hard to understand the symbols right away. The lines represent the conductive connections. They run between the components. To keep the diagram easy to follow, it\u2019s advisable to avoid having too many intersecting lines<\/strong>. However, if this does happen, you must distinguish whether the connections actually make contact or whether they do not touch in the circuit and merely cross on the sketch. If there is contact\u2014that is, a connection\u2014this is indicated by a black dot. Each component has its own symbol<\/strong>, and a labeling system is often added to ensure unambiguous understanding. It is also important to follow the applicable standard. For example, depending on the standard, the symbol for electrical resistance is either a rectangle or a zigzag line. In Europe, the rectangle is commonly used. In addition to the graphical representation, information is provided through parameters and specific attributes<\/strong> that, for example, more precisely define the electrical parameters of the connections between components. Furthermore, individual elements may include information such as the part number and the manufacturer. <\/p>\n\n

\t\t

\n\t\t\t\t
\n\t\t
\n\t\t\t\t
\n\t\t\t\t\t

Questions about UL?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t

Our experts are here to help you, whether you need a quick answer or detailed information. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t<\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\tGet in touch<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t