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You must master electrical calculations to be successful in the electrical trade. You must understand how to perform the important electrical calculations specified in the National Electrical Code. The textbook contains clear, easy-to-understand graphics that help you fully understand the concepts behind electrical calculations. The detailed DVDs are taped from live classes and take you step-by-step through the calculations.


Electrical Exam Preparation Textbook based on the 2014 NEC
· Raceway and Box Calculations DVD
· Conductor Sizing and Protection Calculations DVD
· Motor and Air-Conditioning Calculations DVD
· Voltage-Drop Calculations DVD
· Dwelling Unit Calculations DVD
· Multifamily Dwelling Calculations DVD
· Commercial Calculations DVD 
· Transformer Calculations DVD

  • Return information

    If you wish to return an item, it must be the original unopened item (please do not tear the wrapping).

    Send us an email within 30 days of purchase letting us know the reason for return and we will go ahead and approve it. Otherwise, the return may be subject to an additional restocking and processing fee. Additional details about shipping will be provided at this time.

    Once we receive the item, the purchase amount minus shipping costs and a 10% restocking fee will be returned to you. 

    Our return policy is subject to change. If you have any problems, shoot us an email and we'd be happy to assist!

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