|Subject Areas||% of|
|Theory, Terminology and General Requirements||18|
|Compressors and Types of Systems||10|
|Evaporators, Condensers and Cooling Towers||10|
|Piping Inspection and Field Testing||8|
|Air Ducts and Insulation||6|
|Electrical and Controls||22|
|Maintenance and Repairs||8|
We highly recommend that you purchase one of the two NEC index books above to study for your exam. Each book is a comprehensive subject index to the NEC. They provide an even faster way to look up subjects covered in the exam and are far more detailed than the index at the end of the code book.
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