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Identify electrical symbols.

Definition

Identification should include common electrical symbols found in the NEC for residential wiring.

Process/Skill Questions

  • What is the purpose of an electrical symbol?
  • How are electrical symbols used in schematic diagrams or blueprints?

Related Standards of Learning

Science

PH.11

The student will investigate and understand how to diagram, construct, and analyze basic electrical circuits and explain the function of various circuit components. Key concepts include
  1. Ohm’s law;
  2. series, parallel, and combined circuits;
  3. electrical power; and
  4. alternating and direct currents.