Pro-Class Electrical Certification Practice
Examination (2026 Edition) | Load
Calculations | Advanced Certification
Practice Examination | High-Difficulty
Multiple-Choice Questions with Verified
Answers & Detailed Rationales
Exam Date: 15/07/2026
Difficulty: Pro-Class / Journeyman–Master Electrician Level
Based on: Latest industry practices and current National
Electrical Code (NEC) load calculation principles through the
2026 examination cycle.
Instructions
Choose the single best answer (A–D).
Perform calculations where required.
Round answers only when instructed.
Unless otherwise stated, assume standard NEC calculation
methods.
Calculators are permitted.
Question 1
A dwelling has a calculated floor area of 2,400 ft². What is the
general lighting load before applying any demand factors?
A. 6,000 VA
, B. 7,200 VA
C. 8,400 VA
D. 9,600 VA
Answer: B
Rationale: NEC requires 3 VA per square foot for dwelling
general lighting loads. 2,400 × 3 = 7,200 VA.
Question 2
Which appliance is always included in the dwelling load
calculation if permanently installed?
A. Portable microwave
B. Table lamp
C. Built-in dishwasher
D. Coffee maker
Answer: C
Rationale: Permanently fastened appliances are included in
load calculations, while portable appliances are not.
Question 3
Examination (2026 Edition) | Load
Calculations | Advanced Certification
Practice Examination | High-Difficulty
Multiple-Choice Questions with Verified
Answers & Detailed Rationales
Exam Date: 15/07/2026
Difficulty: Pro-Class / Journeyman–Master Electrician Level
Based on: Latest industry practices and current National
Electrical Code (NEC) load calculation principles through the
2026 examination cycle.
Instructions
Choose the single best answer (A–D).
Perform calculations where required.
Round answers only when instructed.
Unless otherwise stated, assume standard NEC calculation
methods.
Calculators are permitted.
Question 1
A dwelling has a calculated floor area of 2,400 ft². What is the
general lighting load before applying any demand factors?
A. 6,000 VA
, B. 7,200 VA
C. 8,400 VA
D. 9,600 VA
Answer: B
Rationale: NEC requires 3 VA per square foot for dwelling
general lighting loads. 2,400 × 3 = 7,200 VA.
Question 2
Which appliance is always included in the dwelling load
calculation if permanently installed?
A. Portable microwave
B. Table lamp
C. Built-in dishwasher
D. Coffee maker
Answer: C
Rationale: Permanently fastened appliances are included in
load calculations, while portable appliances are not.
Question 3
