WISCONSIN UDC ELECTRICAL INSPECTOR PORTION
EXAM — PRACTICE EXAM 2026/2027 COMPLETE (100)
CURRENT TESTING QUESTIONS AND CORRECT
ANSWERS WITH DETAILED RATIONALES.
ELECTRICAL
Prepare for the Wisconsin UDC Electrical Inspector Portion Exam Practice with a
focused study resource designed to reinforce essential electrical inspection and
code-compliance concepts. It supports review of Wisconsin Administrative Code
requirements, NEC applications, wiring methods, grounding and bonding, circuit
protection, electrical safety, and residential inspection procedures. The material can
help strengthen code application, improve inspection judgment, and identify areas
that may require additional review before the examination. This resource is best suited
for Wisconsin UDC Electrical Inspector candidates, electricians, building officials,
code enforcement professionals, and residential construction inspectors preparing
for the electrical portion of certification.
MULTIPLE CHOICE.
SECTION 1: LICENSING, ADMINISTRATION, AND CREDENTIALING
(Questions 1–15)
Question 1:
According to Wis. Admin. Code § SPS 305.63, who may inspect one- and two-
family dwellings for electrical code enforcement?
A) Any licensed electrician
B) Certified UDC-electrical inspector or certified commercial electrical
inspector
C) Any building inspector
D) Any municipal employee
Answer: B) Certified UDC-electrical inspector or certified commercial
electrical inspector
Rationale: Under SPS 305.63, a certified UDC-electrical inspector or
certified commercial electrical inspector may inspect one- and two-
, Page 2 of 41
family dwellings for the purpose of administering and enforcing Wis.
Admin. Code ch. SPS 316 and ch. SPS 324. No person may conduct such
inspections unless they hold a certification issued by the department as a
certified UDC-electrical inspector.
Question 2:
What is the passing score for the Wisconsin UDC Electrical Inspector exam?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
Rationale: The DSPS requires a minimum score of 70% to pass the UDC
Electrical Inspector certification exam. The exam is open book.
Question 3:
Which Wisconsin statute provides the statutory authority for the UDC
Electrical Inspector certification program?
A) Wis. Stat. § 101.66(2)
B) Wis. Stat. § 145.06
C) Wis. Stat. § 66.01
D) Wis. Stat. § 30.01
Answer: A) Wis. Stat. § 101.66(2)
Rationale: Under Wis. Stat. § 101.66(2), no person may conduct the
inspection of one- and two-family dwellings for the purpose of
administering and enforcing SPS 316 and SPS 324 unless the person holds
a credential issued by the department as a certified UDC-electrical
inspector.
, Page 3 of 41
Question 4:
How often must a Wisconsin UDC Electrical Inspector renew their credential?
A) Every 1 year
B) Every 2 years
C) Every 4 years
D) Every 5 years
Answer: C) Every 4 years
Rationale: The UDC Electrical Inspector credential is renewed every 4
years. Continuing education is typically required every 2 years to keep
inspectors current with evolving codes and standards.
Question 5:
What is the application fee for the Wisconsin UDC Electrical Inspector
certification?
A) $25
B) $40
C) $50
D) $80
Answer: B) $40
Rationale: The application and exam fee for the UDC Electrical Inspector
certification is $40. The credential fee is prorated based on the expiration
date.
Question 6:
According to Wisconsin law, a certified UDC-Electrical Inspector must carry
their credential:
A) Only when performing inspections for a fee
B) On their person while performing inspections
C) Only when requested by the property owner
D) In their vehicle at all times
Answer: B) On their person while performing inspections
, Page 4 of 41
Rationale: A person who holds the credential shall carry on their person
the credential issued by the department while performing or conducting
the activity or activities permitted under the credential.
Question 7:
Which of the following is a requirement for a certified UDC-Electrical
Inspector?
A) Maintain a record of inspections, including dates and findings
B) Provide a copy of the inspection report to the property owner
C) Make inspection records available to the department upon request
D) All of the above
Answer: D) All of the above
Rationale: A certified UDC-electrical inspector shall: maintain a record of
inspections including dates and findings; provide a copy of the inspection
report to the property owner; carry the credential on their person; and
make inspection records available to the department upon request.
Question 8:
According to Wisconsin law, a person may obtain a UDC Electrical Inspector
credential by which of the following methods?
A) Taking and passing the UDC Electrical Inspector certification examination
B) Submitting evidence of holding a current certification as a Journeyman
Electrician or Certified Electrical Inspector-Residential issued under
IAEI/NFPA
C) Both A and B
D) Neither A nor B
Answer: C) Both A and B
Rationale: A person may obtain a credential as a certified UDC Electrical
inspector by either taking and passing the UDC Electrical Inspector
certification examination, or submitting evidence of holding a current