Common miss
Direct answer
The common mistake is treating Demand Factor as a loose phrase instead of a rule, condition, or field decision with consequences. Ratio used to estimate likely load compared with connected load. If you miss this area, review the explanation, tag the weak concept, and drill nearby topics such as Ohm's law and power basics, Branch circuit calculations, Code-navigation drills.
How to use this answer
Read the answer once, then prove it by choosing an answer in a practice question before looking at the explanation. If the miss repeats, tag the domain as Glossary and drill a smaller set before returning to mixed practice.
Prep path
Journeyman Electrician Study Guide
Independent journeyman electrician study guide for code navigation, calculations, wiring methods, and safety review.
SamplesJourneyman Electrician Sample Questions
Public Journeyman Electrician Practice Test sample questions with explanations.
PracticeOpen Journeyman Electrician Practice Test
Start with the 15-question free set before deciding whether to unlock the paid bank.