NABCEP PVSI study plan

Map the NEC articles that govern PV installations (690, 705, 250, 310, 480, 250.122, 705.12) into a one-page cross-reference sheet

Locate the adopted code cycle and local amendments for three jurisdictions you plan to work in and note the differences in a comparison table

Practice applying 690.12 rapid shutdown boundary requirements to three hypothetical array layouts and write out where the controlled conductor limit falls

Define the permit submittal package contents for a residential rooftop PV system by listing every drawing, calculation, and form a typical AHJ requires

Calculate minimum PV source and output circuit conductor ampacity using 690.8(A) and 690.8(B) factors for two string configurations

Determine 705.12(B)(2) busbar and feeder connection allowances for line-side, load-side, and supply-side connections and label each method

Size an equipment grounding conductor and system bonding jumper for a given inverter and array combination using 250.122 and 690.45

Identify labeling requirements from 690.56 and 705.12(B) and draft the exact text for each placard

Explain in writing how 690.15 disconnection means differ from 705.12(B) requirements for a supply-side connection

Diagram a full grid-tied string inverter system from array to point of interconnection, labeling every component and its function

Compare string, microinverter, and DC-optimizer architectures on shading tolerance, monitoring granularity, and rapid shutdown compliance

Specify module, inverter, and racking datasheet parameters that must be verified before design and list where each appears on a datasheet

Select and justify combiner box, DC disconnect, and surge protection components for a 10 kW residential system

Trace the AC and DC sides of a battery-backed hybrid system and identify the transfer and backup interface components

Assemble a component specification matrix covering modules, inverters, racking, rapid shutdown devices, and conductors with voltage, current, and temperature ratings

Verify string sizing against inverter MPPT window and maximum system voltage at record low temperature using datasheet coefficients

Explain how module temperature coefficient of Voc drives cold-weather string length limits and show the calculation

List the safety hazards introduced by each major component and the protective device or practice that mitigates it

Describe the sequence for safe de-energization of a PV array including DC arc hazard controls and verify-the-absence-of-voltage steps

Identify arc-fault and ground-fault detection requirements for PV systems and explain how each protective function is tested

Evaluate a scenario where an array remains energized after AC disconnect and write the correct lockout and diagnostic procedure

List PPE and test instrument categories appropriate for PV DC and AC work, including CAT ratings for meters

Read a sample permit drawing set and extract array layout, conductor routing, and interconnection details into an inspection checklist

Match each installed component to the approved plan and list the discrepancies an inspector would flag

Perform a virtual commissioning walkthrough covering insulation resistance, open-circuit voltage, and AC output verification, recording expected values

Draft a corrective-action report template for deficiencies found during an inspection

Interpret structural and site plan sheets to confirm roof framing, attachment spacing, and setback compliance

Cross-check a utility interconnection application against the design to confirm export limits and metering configuration

Write inspection findings in a format that separates code citations from observations and recommended corrections

Explain how to document as-built changes and the revision process required before final inspection

Complete a timed 60-question practice set spanning all four domains and score each domain separately

Re-study the two weakest domains by reworking missed items to their underlying code or component principle

Recite from memory the key NEC sections for rapid shutdown, interconnection, conductor sizing, and grounding

Rehearse explaining an inspection finding verbally in under two minutes as if reporting to a client or AHJ