Basic Electrical Drawings

Where do you find information about light fixtures?

• Panel schedule

• Lighting schedule

• Construction schedule

• Fixture schedule

If a circuit is marked 20 in the T column of a panel, what does that mean?

• There are 20 items on that circuit

• The type of breaker is a Square D 20

• The circuit is rated to 20 Amps

• That is the 20th circuit in the panel

A receptacle is shown with a circle and (2) parallel lines

• True

• False

How is a switch shown on a set of plans?

• Circle with 2 parallel lines

• The letter S with 1 or 2 lines ($)

• The letters SW

• The letter 'F' with a number

On a panel schedule, what column does the letter 'P' indicate?

• The number of poles for the breaker

• The circuit number for the breaker

• The manufacturer of the breaker

• The panel number

On a residential set of plans, what does 'EWH' indicate?

• Electric Wall Heater

• Electric Water Heater

• Electric Wall Hub

• Electric Washing Machine

Commercial electrical contractors can run circuits as they find convenient, the panel layout and loading is a suggestion by the Engineer

• True

• False

On commercial projects, where would you find information showing circuit layouts, equipment loading and circuitry and the panel numbers?

• Fixture schedule

• Construction schedule

• Electrical schedule

• Panel schedule

What drawings would the Electrical contractor need to look at for electrical information? (check all that apply)

• Electrical drawings

• Mechanical drawings

• Site drawings

• Architectural details

• Civil drawings

What does 'GFCI' stand for?

• Ground Flat Circuit Indicator

• Ground Fault Circuit Interrupter

• Ground False Circuit Incident

• Grounding Faulted Circle Interruption