Aug 06, 2026  
2026-2027 DCTC Catalog 
  
2026-2027 DCTC Catalog

HDTT 1217 - Electrical Systems I



3 Credits
This course covers the basic purpose and function of the various truck electrical systems, components, and instruments. Electrical theory, application, and diagnosis using typical test equipment will also be covered.

Learning Outcomes
Calculate power consumption in an electric circuit.

Describe the behavior of current flow in each type of electric circuit.

Identify and explain the functions of the electrical elements of the atom.

Differentiate between measurement electrical units of voltage, amperage, and resistance.

Describe the relationship between voltage amperage power and resistance in electrical circuits.

Describe the differences between alternating and direct current.

Explain the relationship between voltage amperage and resistance.

Identify and describe conductors, insulators, and semiconductors.

Use wiring diagrams to diagnose electrical circuits

Define and describe types of electric circuits.

Calculate energy consumption in a heating circuit.

Identify and describe electrical circuit failures.

Mathematically predict and describe the relationship between voltage amperage power

Calculate the energy concepts of voltage amperage and resistance.

Define and explain concepts of voltage amperage and resistance.

Calculate power consumption in an electric circuit.

Predict the effects of increasing voltage and amperage in a circuit.

Predict the effect of resistance on voltage and amperage in a circuit.