| Subject Areas | % of Questions |
|---|---|
| General Low-voltage Control | 10 |
| Circuits and Equipment Operating at Less than 50 Volts and Storage Batteries | 10 |
| Class 1, Class 2 and Class 3 Circuits | 30 |
| Fire Alarm System Control Circuits | 10 |
| Instrumentation Tray Cable, Optical Fiber Cables, Closed Loop, and Programmed Power Distribution | 30 |
| Communication System Control Wiring | 10 |
QUESTION: “What is the difference between the National Electrical Code (NEC) and the NEC Handbook (both published by NFPA)?”. The Handbook has the same content as the NEC book with additional drawings and explainations inserted.
The Handbook was designed for engineers and inspectors. The typical exam candidate should not use it as a prefered reference unless they are using it for inspection jobs in their day-to-day work.
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