| Content Areas | % of Questions |
|---|---|
| General Knowledge, Theory, Basic Load Calculations & Code Definitions | 14 |
| Feeders, Branch Circuits, Conductors, Overcurrent Protection & Grounding | 12 |
| Electrical Materials & Installation | 12 |
| Motors, Controls & Transformers | 12 |
| Elevator Wiring (Article 620) | 50 |
NOTE: Only ONE of the NEC index books (3a or 3b) needs to be purchased.
QUESTION: "What is the difference between the National Electrical Code (NEC) and the Handbook version?". As far as the actual NEC code quoted in the text... it's the same.
The NEC Handbook has additional diagrams, graphics and explanations inserted into the text (adding more pages and raising the price). It was designed for engineers and inspectors. The typical exam candidate should not use it as a preferred reference.
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