Read electrical drawings, including schematics and specifications.

Reading should include components used in construction, as shown by drafting standards and by developing a list of materials from plans and specifications, in accordance with instructor’s guidelines.

Process/Skill Questions:

• What is a specification? What is the purpose of specifications?
• Why are symbols used on electrical drawings?
• What is the importance of a ladder diagram?
• What is the difference between line voltage and control voltage?