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Theory and Calculations

Introduction
In this section of our website we have included a brief review of electrical theory. Part I of this Core Competency Area includes: direct-current theory, conductors, alternating-current theory, and equipment in alternating-current circuits are discussed. Part II of this Core Competency Area includes the formulas associated with the following electrical subjects. These formulas are required to solve typical test problems in most electrician's exams.

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