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Basic Electricity

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Credit Hours: 4
This module introduces basic electrical concepts, including: terminology, atomic theory and electricity, Ohm's Law, Joule's Law, AC and DC power. The important relationship between resistance, current, and heat is fundamental to understanding how electricity can be a competent fire ignition source. Electricity can cause fires in many ways. A knowledge of basic electricity is essential to successfully investigate potential electrical ignition sources at a fire scene, test hypotheses involving electrical ignition sources, form a conclusion supported by evidence, and competently present methodology and conclusions in legal proceedings. This module provides the foundation of that basic electrical knowledge.

This module is part 1 in a progression providing basic electrical investigation foundational material that addresses the requirement in NFPA 1033 (2014 Edition) that fire investigators possess post-secondary knowledge on electricity and electrical systems. It is recommended that the fire investigator take this progression in the following order:
  1. Basic Electricity
  2. Residential Electrical
  3. Electrical Safety
  4. Arc Mapping
The electrical modules presented on CFITrainer.Net® are not intended as a comprehensive education on the topic of electricity and/or electrical examination of a fire scene. Although many scientific concepts are presented in the modules, these concepts are a basic introduction only and additional information, training, and education may be required to fully understand these topics and competently evaluate electrical systems and equipment as potential fire ignition sources. Therefore, completion of the electrical modules available on CFITrainer.Net® does not qualify you to electrically examine a fire scene.
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