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History of Electricity

Electricity has occured since the beginning of time. Find out how its use has evolved from the Ancient Greeks to modern society.

Electrical Definitions

Confused about a term? This A-Z guide has definitions based on the NEC.

Voltage Drop Calculator

This handy calculator lets you determine the wire size when determining the voltage drop across conductors.

Ohm's Law

This diagram illustrates how voltage, current and resistance are related and form the basis of electrical circuits.

Circuits

Helpful information and diagrams explaining the theory and application of electrical circuits.

Motors

Motors have been around for well over 120 years. Click here to learn about the history, theory and real world applications of electrical motors.

Electrical Conductors

This section will educate you on the types, classifications and sizing of electrical wiring, a.k.a. conductors.

Panel Schedules

Two full pages of sample electrical panel schedules which represent the various types found in electrical design.

Riser Diagrams

Five full pages of sample electrical riser diagrams. All examples are downloadable in PDF format for ease of reading.

Generators

Here you will learn about the principles, the code requirements, the design and real-world usage of electrical generators.

Transformers

Use this page as your portal to the real Transformers.

Lighting

This area will describe the different forms of lighting and lamping used in electrical engineering.

Calculators

These useful calculators and converters are quick ways to solve certain equations.

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