Electrical Exam Hazardous Location Classifications Questions

Understanding how NFPA 70 categorizes hazardous locations into classes and divisions is key to effectively preparing to pass your electrical exam. Can you locate the code reference that governs how the following location is classified? Question: A location in which volatile flammable gases, flammable liquid produced vapors, or combustible liquid produced vapors are handled, processed, […]

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Understand Electrical Exam Hazardous Location Zone Classifications

Hazardous location classification questions on the electrical exam address classes, divisions and zones. Can you answer the following question with ease? Question: Is a location in which ignitible concentrations of combustible dust or ignitible fibers/flyings are present continuously, and or ignitible concentrations of combustible dust or ignitible fibers/flyings are present for long periods of time […]

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Unlicensed Electricians Need to Pass the Electrical Exam

The following conversation with an unlicensed electrician with years of field experience, but with limited experience in using the codes and calculations required to answer exam questions,  illustrates why preparing for and passing the electrical exam is crucial to making meaningful career advancement.  Dave: After all these years of working in the field without a […]

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Answer Chicago Supervising Electrical Exam Theory Related Questions With Ease

Since answers to all Chicago Supervising electrical exam questions aren’t always code related, you won’t necessarily find every exam answer in your code book. Can you answer the following question with ease? Question: When the iron core of a transformer has a high magnetic conducting quality,  ___________is the ease with which the sheets of rolled iron that make […]

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Arch vs. Ground Fault Know the Difference Pass Your Electrical Exam

Understanding the difference between choosing an answer that could be considered broadly correct verses choosing the BPA or best possible answer, which is the choice the examiner will grade as correct, can mean achieving a passing score on your electrical examination. How would you answer the following question: A type of fault in which the unintentional […]

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