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Wiring diagrams [t-head1]

Wiring diagrams show the conductive connections between electrical components. They show the internal and/or external connections but, in general, do not give any information about the mode of operation. Instead of wiring diagrams, wiring tables can also be used.

  • Unit wiring diagram: Representation of all the connections within the device or combination of devices.
  • Interconnection diagram: Representation of the connections between the device or combination of devices within an installation.
  • Terminal diagram: Representation of the connection points of an electrical installation and the internal and external conductive connections connected to them.
  • Assignment diagram (location diagram). Representation of the physical position of the electrical equipment, which does not have to be to scale.

You will find notes on the marking of electrical equipment in the diagram as well as further diagram details in the section “Specifications, Formulae, Tables”.


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