VIP Exclusive
IEM Industrial Electronic Maintenance Technician VIP Practice Exam
IEM — The Industrial Electronic Maintenance (IEM) exam is administered by NOCTI (National Occupational Competency Testing Institute) and assesses competency in DC/AC circuits, electronic components, PLCs, motor controls, instrumentation, and industrial troubleshooting; the written exam typically contains ~100 questions over 3 hours with a 70% passing threshold.
29
Questions
180m
Time Limit
70.00%
To Pass
Question 1 of 29👑 VIP
A maintenance technician is performing lockout/tagout (LOTO) on a 480 V three-phase motor drive before replacing a failed power transistor. After opening the main disconnect and applying a personal padlock, the technician measures 320 V DC across the drive's DC bus capacitor bank. What is the CORRECT next action before touching internal components?
Questions 2–29 and full explanations are VIP-exclusive.