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NCCER Electrical VIP Certification Exam
NCCER Electrical — The NCCER (National Center for Construction Education and Research) Electrical program issues craft assessments and the Electrical Craft Professional (ECP) credential through its NCCER Registry system; assessments are module-based (Levels 1–4 plus advanced), typically 50 written questions at 70% passing, administered by accredited training sponsors and aligned to the current NEC edition.
30
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 30👑 VIP
A journeyman electrician is sizing a conductor for a 240V, single-phase, 30-ampere branch circuit that supplies a residential electric dryer. The circuit runs 85 feet from the panelboard to the outlet. Using Table 310.12 of the NEC, the minimum conductor size is 10 AWG copper. However, the foreman is concerned about voltage drop exceeding 3% on this branch circuit. If the conductor resistance for 10 AWG copper is approximately 1.24 ohms per 1,000 feet (one-way), what is the approximate voltage drop across this circuit under full 30-ampere load?
Questions 2–30 and full explanations are VIP-exclusive.