Drawings and Specs

Question 1

Electrical drawings include

Answer 1

• Electrical layouts ( most used for estimating)
• Pictorial drawings
• Schematic diagrams
• Line diagrams

Question 2

What is an electrical layout drawing?

Answer 2

Show the, as accurate a possible, actual location of each component of an electrical circuit. Show circuiting and sometimes junction boxes.

Question 3

What is a pictorial drawing?

Answer 3

These drawings show length, hight and depth of an object in 1 view. “detailed drawing”.

Question 4

What is a schematic drawing?

Answer 4

Simplified pictorial representations of an electrical circuit.

Question 5

What is a line diagram?

Answer 5

Pictorial representation of whats included and generally the location. also called 1-line = riser. (not drawn to scale)

Question 6

Whats is a component plan schedule?

Answer 6

Shows required locations for receptacles, lights or switches. It’s a chart or matrix of equipment/devices required in specific areas. Used in early design but not common once a drawing package gets to CD’s. Similar to C-100 sheet (from work).

Question 7

What are electrical specs

Answer 7

They provide minimum standards for all parts of the electrical system.

Can include:

• accepted manufacturers
• allowed materials
• performance standards
• Supplemental code/AHJ requirements