The formulas to study for the electrical test range from common knowledge (those you use on the field) to complicated. Let’s go over the commonly needed formulas that you will need to use for the PSI electrical test. To download our Electrical Formulas Cheat Sheet, click here . Includes motor calculation steps, box fill, ranges, transformers, conduit fill, PIE, EIR, and more! If your testing center allows short notes in the code book, write these formulas down. This way you don’t have to try to remember them during the test. Check your test provider’s website to see if they allow short notes in the book. For those who are not allowed to have written notes in the book, make yourself some flash cards and memorize these formulas. Formulas to Study for the Electrical Exam PEMDAS Even though PEMDAS is not an electrical formula, you must remember your order of operations. Don’t go through the trouble for learning these fo...
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