6. Sources of Information

Question 1

Technical information can be shown by the following:

Answer 1

• Block diagrams
• Wiring Diagrams
• Circuit Diagrams
• Schematic diagrams
• Assembly drawings
• Site plans

Question 2

What are block diagrams?

Answer 2

This type of diagram provides information about a sequence.

Question 3

What are circuit diagrams?

Answer 3

A Circuit diagram clearly shows how a circuit works with component detail.

Question 4

What are wiring diagrams?

Answer 4

A wiring diagram shows the detailed connections between components or items of equipment.
They do not indicate how a piece of equipment of circuit works.

Question 5

What are schematic diagrams?

Answer 5

Schematic diagrams don’t necessary show connection details, but show how the process works.

• Similar to block diagrams but more detailed.

Question 6

What are assembly drawings?

Answer 6

These are typically 3D drawings showing how equipment is put together.

Question 7

What are location drawings?

Answer 7

• Scale drawings based on the architects plan of the building.
• Show the position of electrical equipment which is installed.
• Electrical equipment is identified by graphical symbols.