NCCER Electrical study plan

Define the four electrical shock hazard categories and list the body-effect thresholds (perception, let-go, fibrillation) with their approximate current values

Select the correct PPE level and arc-rated clothing for three described field scenarios, including glove class and voltage-rated tool use

Write out a lockout/tagout sequence for de-energizing a 480V motor disconnect, in order, from notification through verification of zero energy

Explain when GFCI protection and assured equipment grounding conductor programs are required on a construction site and how each is tested

Apply Ohm's law to solve for unknown voltage, current, and resistance in 15 single-load circuits without a formula sheet

Compute equivalent resistance, branch current, and voltage drop for series, parallel, and series-parallel networks of three or more resistors

Calculate power in watts and convert between horsepower, watts, and kilowatts for motor and heating loads

Distinguish AC from DC behavior by describing how inductance and capacitance shift current versus voltage and what power factor means numerically

Explain the turns ratio relationship in a transformer and compute secondary voltage and current from primary values

Navigate the NEC by article and section number to locate installation requirements for a stated occupancy or equipment type

Size branch-circuit and feeder conductors using ampacity tables together with the appropriate terminal-temperature and adjustment corrections

Perform box-fill and conduit-fill calculations and state whether a described installation complies

Calculate a residential or commercial service load using the standard method and identify which demand factors apply

Identify raceway types, their listed uses, and the environments where each is prohibited

Compute conduit fill for mixed conductor sizes and verify against the permitted percentage for the number of conductors

Describe support spacing, securement distances, and expansion/deflection provisions for rigid and flexible raceways

Size a box for a given conductor count, device count, and grounding conductors using volume allowances

Outline the steps to make a 90-degree stub-up and an offset in EMT with accurate marks and take-up allowance

Select conductor ampacity from the correct table for a given insulation type, size, and ambient temperature, then apply derating for bundle count and temperature

Compare wiring methods (NM-B, MC, AC, EMT-contained THHN, SE) and choose the permitted method for four described locations

Wire and identify a three-way and a four-way switch circuit and a split-receptacle circuit from a written description

Terminate conductors correctly by matching strip length, torque, and connector type to the device or lug specified

Interpret device markings (ampacity, voltage, tamper resistance, WR, TR) and match them to the application

List the components of a grounding electrode system and determine when a supplemental electrode is required

Size equipment grounding conductors and main and system bonding jumpers from the applicable tables for given overcurrent ratings

Compute motor branch-circuit conductor, overload, and short-circuit protection sizing from nameplate data

Explain the function of a magnetic starter, overload relay, and control transformer, and trace a start-stop control circuit from a written ladder description

Complete a full-length mixed practice exam under timed conditions and record the score for each of the six domains

Rank domains by percent missed and rework every missed item to the correct reasoning with a code or formula reference

Re-drill the two weakest domains with 20 targeted items each

Build a one-page formula and table-index sheet from memory, then verify each entry against the source

Complete a second full-length practice exam with time remaining and no formula sheet for the first half

Reduce lookup time by practicing 20 code-reference drills to under 45 seconds each

Restate the safety and grounding requirements most often missed on prior attempts from memory

Schedule and confirm exam-day logistics, permitted references, and a pacing plan for the question count