Preparation should include
- using an outline of the floor plan or a reflected ceiling plan as a guide
- setting the scale
- locating outlets
- locating lights and switches
- indicating which outlets and lights the switches control (by drawing connecting lines)
- locating the distribution panel and meter base and indicating the voltage and amperage rating
- drawing a symbol schedule, if required
- drawing a lighting schedule, if required
- adding a circuit data chart
- applying any necessary symbols
- dimensioning the plan, as necessary
- drawing a riser diagram.
Process/Skill Questions:
- What information does a circuit data chart provide, and what are the possible consequences of neglecting to include one?
- What considerations influence the choice of lighting methods?
- Why might a symbol schedule be necessary?
- What sustainability considerations may affect an electrical plan?