Effective October 1, 2023, the examinations will be referenced to the
2023 NEC Code Book
Helpful Tip #100
With the PSI exam, reading the question word for word exactly is extremely important. Many questions are very to tricky, pay attention to wording variations. Reading the applicable NEC Article or code statue is a must, reading the question backwards is one terrific tool. Reading the question backwards will trick your mind into reading the question more carefully.