When applying to write a Power Engineer certificate of competency examination, what must the candidate hold?

To qualify for a Power Engineer certificate of competency examination, a candidate is required to hold the next lower class of qualification. This prerequisite ensures that the candidate has gained the necessary foundational knowledge and experience relevant to the power engineering field before advancing to a higher level of certification. Holding the next lower class demonstrates that the candidate has already met certain competency standards and is prepared for the challenges posed by the examination for the desired level.

In contrast, mandatory drug testing, criminal records checks, and the necessity to pass both a written and oral examination, while possibly important in other contexts, are not requirements specifically tied to the eligibility for writing the examination at the next level of certification.