API SIEE Source Inspector Electrical
Equipment Practice Exam
Source Inspection Fundamentals and Quality Systems, Electrical Theory and
Equipment Basics, Motors and Generators, Transformers and Switchgear, Hazardous
Area and Enclosure Standards, Testing and Documentation, Welding Materials and
Coatings, Instrumentation and Control Equipment, Safety Ethics and Reporting
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the American Petroleum Institute. SIEE is read
here as the API Source Inspector Electrical Equipment certification; confirm the current body of knowledge and
publication editions on the API website. Items that depend on specific editions are marked "confirm".
Exam API SIEE Source Inspector Electrical Equipment
Practice Exam
Intended for Candidates preparing for the API Source Inspector
Electrical Equipment (SIEE) certification
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Source Inspection Fundamentals 22 11%
and Quality Systems
Electrical Theory and Equipment 22 11%
Basics
Motors and Generators 22 11%
Transformers and Switchgear 22 11%
Hazardous Area and Enclosure 22 11%
Standards
Testing and Documentation 22 11%
Welding, Materials and Coatings 22 11%
Instrumentation and Control 22 11%
Equipment
Safety, Ethics and Reporting 24 12%
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Reference Materials Used
API Individual Certification Programs SIEE body of knowledge
IEEE and NEMA basics
IEC 60079 concepts
API 541, 546, 547 and 670 concepts (confirm)
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 2
,Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Source Inspection Fundamentals and Quality Systems (Questions 1–22)
Section 2: Electrical Theory and Equipment Basics (Questions 23–44)
Section 3: Motors and Generators (Questions 45–66)
Section 4: Transformers and Switchgear (Questions 67–88)
Section 5: Hazardous Area and Enclosure Standards (Questions 89–110)
Section 6: Testing and Documentation (Questions 111–132)
Section 7: Welding, Materials and Coatings (Questions 133–154)
Section 8: Instrumentation and Control Equipment (Questions 155–176)
Section 9: Safety, Ethics and Reporting (Questions 177–200)
Answer Key Summary
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 4
Equipment Practice Exam
Source Inspection Fundamentals and Quality Systems, Electrical Theory and
Equipment Basics, Motors and Generators, Transformers and Switchgear, Hazardous
Area and Enclosure Standards, Testing and Documentation, Welding Materials and
Coatings, Instrumentation and Control Equipment, Safety Ethics and Reporting
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the American Petroleum Institute. SIEE is read
here as the API Source Inspector Electrical Equipment certification; confirm the current body of knowledge and
publication editions on the API website. Items that depend on specific editions are marked "confirm".
Exam API SIEE Source Inspector Electrical Equipment
Practice Exam
Intended for Candidates preparing for the API Source Inspector
Electrical Equipment (SIEE) certification
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Source Inspection Fundamentals 22 11%
and Quality Systems
Electrical Theory and Equipment 22 11%
Basics
Motors and Generators 22 11%
Transformers and Switchgear 22 11%
Hazardous Area and Enclosure 22 11%
Standards
Testing and Documentation 22 11%
Welding, Materials and Coatings 22 11%
Instrumentation and Control 22 11%
Equipment
Safety, Ethics and Reporting 24 12%
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Reference Materials Used
API Individual Certification Programs SIEE body of knowledge
IEEE and NEMA basics
IEC 60079 concepts
API 541, 546, 547 and 670 concepts (confirm)
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 2
,Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Source Inspection Fundamentals and Quality Systems (Questions 1–22)
Section 2: Electrical Theory and Equipment Basics (Questions 23–44)
Section 3: Motors and Generators (Questions 45–66)
Section 4: Transformers and Switchgear (Questions 67–88)
Section 5: Hazardous Area and Enclosure Standards (Questions 89–110)
Section 6: Testing and Documentation (Questions 111–132)
Section 7: Welding, Materials and Coatings (Questions 133–154)
Section 8: Instrumentation and Control Equipment (Questions 155–176)
Section 9: Safety, Ethics and Reporting (Questions 177–200)
Answer Key Summary
API SIEE Source Inspector Electrical Equipment Practice Exam | Page 4
