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Effective October 1, 2023, the examinations will be referenced to the
2023 NEC Code Book
Helpful Tip # 112 : Transformer Questions
Transformer questions are actually quite simple, however the state exam writers intentionally include a lot of distracting information. The unprepared test taker will read too much into a transformer question and then draw a complete blank. However, if it asks to size the maximum or minimum short circuit, ground-fault, or any other over current protection device, that’s simply a table reference with possibly a small calculation needed.
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