What Distinguishes Circuit Diagrams from Wiring Diagrams?

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Discussion Overview

The discussion centers on the differences between circuit diagrams and wiring diagrams, including the specific context of diagrams that route connections between components, such as a battery and a lamp. Participants explore the characteristics and purposes of these diagrams, as well as the terminology used to describe them.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants propose that a wiring diagram serves as a pictorial representation of a circuit diagram, focusing on the physical layout rather than the internal functions of devices.
  • Others argue that wiring diagrams are tailored for assembly line workers who may not understand circuit diagrams, suggesting that these diagrams simplify the assembly process.
  • A participant notes that wiring diagrams can vary in complexity, with some showing detailed connections while others may only indicate connectors and their relationships.
  • One participant inquires about the terminology for diagrams that connect from one connector to another, indicating a need for clarity in naming conventions.
  • Another participant refers to connector-to-connector wiring diagrams as cable connector pin-out diagrams, emphasizing the importance of including details like pin connections and grounding.

Areas of Agreement / Disagreement

Participants express differing views on the utility and understanding of circuit versus wiring diagrams, with no consensus reached on the best terminology or the most effective diagram type for specific applications.

Contextual Notes

Some participants highlight the potential confusion that can arise from varying levels of detail in wiring diagrams, particularly in complex systems where connections are not straightforward.

Who May Find This Useful

This discussion may be of interest to individuals involved in electronics assembly, wiring design, or those seeking to understand the distinctions between different types of electrical diagrams.

design-engine
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What is the difference between a circuit diagram and a wiring diagram.

And while your at it can anyone explain the difference between diagram that routes fibers/ connections to from a battery to a lamp for example as opposed to the alternate... one that routes to the connector on the battery and the connector on the lamp?

I have noticed wiring diagrams that only show connectors and those connections and others that show a complete system. Comments?
 
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People who build equipment in assembly lines have no need for, nor any understanding of, circuit diagrams. They are paid for assembling the equipment, and wiring it up. A circuit diagram would only confuse them. The people I knew in Wiring and Assembly at HP in the mid-1950s didn't care whether a wire was connected to a (vacuum tube) grid or a plate.
Bob S
 
A wiring diagram is a pictorial representation of a circuit diagram.

Usually, the active devices, like transistors and ICs, are shown as they look with the pin connections etc shown in a real sequence. The internal functions of the devices are not shown.

Sometimes a wiring harness is shown where it connects to a junction connector. This is typically done for auto electrical work where the numbers on the connector have to match the colors of the wires. What they actually do is not obvious

Some devices, like computers, VCRs and TV sets have such complex wiring that the individual wires are not shown but they are numbered and you have to look for the same number on a different part of the circuit diagram. Unless this is well done, this system can become a nighmare.
 
thanks so much for the responses. I am creating wiring diagrams that connect from connectors to connectors. What would that be called?
 
I have referred to cable connector-to-connector wiring diagrams as cable connector pin-out diagrams. It usually includes a table showing which pin on one connector is connector to which pin on the other. Don't forget to show the connector shell grounds (to cable external shield).
Bob S
 

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