NABCEP PHOTOVOLTAIC TECHNICAL
SALES CERTIFICATION EXAM QUESTION
AND CORRECT ANSWERS(VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. Which role is primarily responsible for aligning PV system design with
customer needs and financial goals?
A. Installer
B. Inspector
C. PV Technical Sales Professional
D. Utility engineer
Correct Answer: C
Rationale: PV Technical Sales professionals focus on customer
requirements, system suitability, and value proposition.
2. Which customer motivation is most commonly associated with residential
PV adoption?
A. Grid stability
B. Reducing electricity bills
C. Selling renewable energy credits
D. Utility compliance
Correct Answer: B
Rationale: Homeowners are primarily motivated by long-term energy cost
savings.
3. What is the primary purpose of a site assessment?
A. Final inspection
B. Permit approval
C. Determine feasibility and constraints
, D. Equipment delivery
Correct Answer: C
Rationale: Site assessments evaluate shading, roof condition, orientation,
and space.
4. Which roof orientation typically yields the highest annual energy
production in the Northern Hemisphere?
A. North-facing
B. East-facing
C. West-facing
D. South-facing
Correct Answer: D
Rationale: South-facing roofs receive the most consistent solar exposure.
5. What shading analysis tool measures annual solar access percentage?
A. Multimeter
B. Clamp meter
C. Solar pathfinder or digital shade tool
D. Torque wrench
Correct Answer: C
Rationale: Shade tools quantify shading losses over a year.
6. Which financial metric compares lifetime savings to system cost?
A. Payback period
B. Net present value (NPV)
C. Capacity factor
D. Efficiency
Correct Answer: B
Rationale: NPV accounts for time value of money over system life.
7. What does system capacity typically measure?
A. kWh per year
B. kW DC rating
C. Inverter efficiency
D. Utility demand
Correct Answer: B
Rationale: PV systems are rated by DC nameplate capacity in kilowatts.
, 8. Which component converts DC power to AC power?
A. Combiner box
B. Inverter
C. Charge controller
D. Optimizer
Correct Answer: B
Rationale: Inverters convert DC from modules to usable AC.
9. What incentive directly reduces federal tax liability in the U.S.?
A. Rebate
B. Performance incentive
C. Investment Tax Credit (ITC)
D. Feed-in tariff
Correct Answer: C
Rationale: The ITC is a tax credit applied against income taxes.
10.What document outlines system scope, pricing, and terms?
A. Permit
B. Sales contract/proposal
C. Interconnection agreement
D. Warranty
Correct Answer: B
Rationale: Sales proposals define obligations and expectations.
11.What is the primary sales advantage of microinverters?
A. Lower upfront cost
B. Module-level optimization and monitoring
C. Higher DC voltage
D. Larger system size
Correct Answer: B
Rationale: Microinverters improve performance with shading and allow
module-level data.
12.What customer concern relates to roof-mounted systems?
A. Noise
B. Roof integrity and leaks
C. Voltage drop
SALES CERTIFICATION EXAM QUESTION
AND CORRECT ANSWERS(VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
INSTANT DOWNLOAD PDF
1. Which role is primarily responsible for aligning PV system design with
customer needs and financial goals?
A. Installer
B. Inspector
C. PV Technical Sales Professional
D. Utility engineer
Correct Answer: C
Rationale: PV Technical Sales professionals focus on customer
requirements, system suitability, and value proposition.
2. Which customer motivation is most commonly associated with residential
PV adoption?
A. Grid stability
B. Reducing electricity bills
C. Selling renewable energy credits
D. Utility compliance
Correct Answer: B
Rationale: Homeowners are primarily motivated by long-term energy cost
savings.
3. What is the primary purpose of a site assessment?
A. Final inspection
B. Permit approval
C. Determine feasibility and constraints
, D. Equipment delivery
Correct Answer: C
Rationale: Site assessments evaluate shading, roof condition, orientation,
and space.
4. Which roof orientation typically yields the highest annual energy
production in the Northern Hemisphere?
A. North-facing
B. East-facing
C. West-facing
D. South-facing
Correct Answer: D
Rationale: South-facing roofs receive the most consistent solar exposure.
5. What shading analysis tool measures annual solar access percentage?
A. Multimeter
B. Clamp meter
C. Solar pathfinder or digital shade tool
D. Torque wrench
Correct Answer: C
Rationale: Shade tools quantify shading losses over a year.
6. Which financial metric compares lifetime savings to system cost?
A. Payback period
B. Net present value (NPV)
C. Capacity factor
D. Efficiency
Correct Answer: B
Rationale: NPV accounts for time value of money over system life.
7. What does system capacity typically measure?
A. kWh per year
B. kW DC rating
C. Inverter efficiency
D. Utility demand
Correct Answer: B
Rationale: PV systems are rated by DC nameplate capacity in kilowatts.
, 8. Which component converts DC power to AC power?
A. Combiner box
B. Inverter
C. Charge controller
D. Optimizer
Correct Answer: B
Rationale: Inverters convert DC from modules to usable AC.
9. What incentive directly reduces federal tax liability in the U.S.?
A. Rebate
B. Performance incentive
C. Investment Tax Credit (ITC)
D. Feed-in tariff
Correct Answer: C
Rationale: The ITC is a tax credit applied against income taxes.
10.What document outlines system scope, pricing, and terms?
A. Permit
B. Sales contract/proposal
C. Interconnection agreement
D. Warranty
Correct Answer: B
Rationale: Sales proposals define obligations and expectations.
11.What is the primary sales advantage of microinverters?
A. Lower upfront cost
B. Module-level optimization and monitoring
C. Higher DC voltage
D. Larger system size
Correct Answer: B
Rationale: Microinverters improve performance with shading and allow
module-level data.
12.What customer concern relates to roof-mounted systems?
A. Noise
B. Roof integrity and leaks
C. Voltage drop
