Okay so I've been trying to pass the PECO certification for about four months now and I'm genuinely at a loss. First attempt I scored a 67, needed a 75. Went back, studied harder, thought I had it — came out with a 71. I'm close but I can't seem to break through. I've been using the official study guide but honestly it feels like the actual exam covers things at a much deeper level than what's in there.
The sections killing me are electrical systems and load calculations. I can do the basic formulas but when they throw in multi-step scenarios I freeze up. Someone in another thread mentioned timed PECO practice test sessions helped them get used to the pressure — is that what's making the difference for other people? I've been studying untimed which might be my problem.
Would love to hear from anyone who passed on their third try or later. How many hours did you actually put in, and what resources made the biggest difference? Any PECO exam tips for the calculation-heavy questions specifically would be huge right now.