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PrepIQ Wisconsin WI ELECTRICAL APPRENTICE
Ultimate Exam
SECTION 1: WISCONSIN LICENSING & REGULATIONS (Questions 1-30)
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- Which Wisconsin agency oversees the licensing and regulation of electricians? A) Wisconsin Department of Workforce Development (DWD) B) Wisconsin Department of Safety and Professional Services (DSPS) C) Wisconsin Department of Transportation (WisDOT) D) Wisconsin Department of Natural Resources (DNR) Correct Answer: B Explanation: The Department of Safety and Professional Services (DSPS) is responsible for the licensing, registration, and certification of electricians, electrical contractors, and apprentices in Wisconsin under Wis. Admin. Code SPS 305.
- What is the minimum age to register as an electrical apprentice in Wisconsin? A) 16 years old
B) 17 years old C) 18 years old D) 21 years old Correct Answer: C Explanation: Under Wis. Admin. Code SPS 305.21(4)(c), an applicant for electrical apprentice registration must be at least 18 years of age.
- How many hours of on-the-job training (OJT) are required for a Wisconsin electrical apprenticeship program? A) 4,000 hours B) 6,000 hours C) 8,000 hours D) 10,000 hours Correct Answer: C Explanation: Wisconsin requires a minimum of 8,000 hours of on-the-job training (approximately 4 years) for electrical apprenticeship programs.
- In addition to OJT hours, how many hours of classroom instruction (related instruction) are required? A) 120 hours B) 288 hours (minimum per year of apprenticeship) C) 400 hours D) 800 hours
- Which of the following is NOT a recognized electrical license classification in Wisconsin? A) Electrical Apprentice B) Electrical Journeyman C) Electrical Master (Residential only) D) Electrical Apprentice – Class B Correct Answer: D Explanation: Wisconsin recognizes Apprentice, Journeyman, Master (unrestricted), and Master – Restricted (Residential). "Class B Apprentice" is not a recognized classification.
- What is the expiration date for an apprentice registration card in Wisconsin? A) Every six months B) Annually on June 30 C) Every two years on December 14 (odd-numbered years) D) Every five years Correct Answer: C Explanation: Like most Wisconsin credentials, the apprentice registration expires on December 14 of each odd-numbered year per Wis. Stat. 440.08(2).
- An electrical apprentice performs work beyond the scope allowed by state apprenticeship rules. What is the potential penalty?
A) A warning only B) Forfeiture of the apprentice registration and ineligibility for future licensing C) A small administration fee D) No penalty, as long as the work was not dangerous Correct Answer: B Explanation: Working outside the scope of apprenticeship may result in revocation of registration and ineligibility for future electrician licensing.
- Who sponsors the majority of Wisconsin electrical apprenticeship programs? A) The Wisconsin Department of Workforce Development (DWD) – Bureau of Apprenticeship Standards B) The local union (IBEW) or merit shop (ABC) training centers C) The individual electrical contractor D) The public school system Correct Answer: A Explanation: Apprenticeship programs in Wisconsin are registered with and overseen by the DWD Bureau of Apprenticeship Standards, though they are often administered by joint apprenticeship training committees (JATC).
- Under SPS 305.21(4)(d), an apprentice registration may be revoked if the apprentice: A) Does not complete 160 hours of related instruction per year B) Fails to maintain passing grades in related instruction
Correct Answer: B Explanation: Unregistered electrical work is considered unlicensed practice and is subject to forfeiture penalties.
- The journeyman to apprentice ratio for a master electrician on a commercial project is generally: A) 1 master: unlimited apprentices B) 1 master: 2 apprentices (if only master is supervising) C) 1 journeyman: 4 apprentices D) No ratio applies to master electricians Correct Answer: B Explanation: A master electrician may supervise up to 2 apprentices if working alongside them; a single journeyman may only supervise 1 apprentice.
- Under Wisconsin rules, what qualifies as "direct supervision" of an apprentice? A) The journeyman is in the same building but working on a different circuit B) The journeyman is on the same job site, within sight and hearing distance, and available to provide immediate assistance C) The journeyman is at the shop and answers phone calls D) The journeyman provides written instructions for the entire day Correct Answer: B Explanation: "Direct supervision" requires the journeyman or master to be on the same job site within sight and hearing distance of the apprentice.
- Which of the following tasks may ONLY be performed by a licensed journeyman or master electrician (not an apprentice)? A) Installing a junction box B) Pulling wire through conduit C) Terminating wires in a live 480V panel D) Strapping conduit to a wall Correct Answer: C Explanation: Working on or near live parts above 50 volts is generally prohibited for apprentices without specific safety training and direct supervision; many contractors prohibit apprentices from working on live panels.
- The journeyman electrician license in Wisconsin requires how many hours of work experience? A) 4,000 hours B) 8,000 hours C) 12,000 hours D) 16,000 hours Correct Answer: B Explanation: The journeyman license generally requires successful completion of a 4-year apprenticeship (8,000 OJT hours) and passing the journeyman exam.
C) SPS 305
D) SPS 350
Correct Answer: B Explanation: SPS 320-325 (Chapters 320, 321, 322, 323, 324, 325) constitute the Uniform Dwelling Code (UDC) for 1-2 family dwellings.
- The electrical provisions for one- and two-family dwellings are primarily found in: A) SPS 316 (NEC) B) SPS 321 (Uniform Dwelling Code) C) SPS 305 D) SPS 310 Correct Answer: B Explanation: SPS 321 includes electrical requirements specific to one- and two-family dwellings, which are based heavily on but not identical to the NEC.
- Under Wisconsin law, who may pull an electrical permit for a single-family home that the owner lives in? A) Only a licensed master electrician B) The homeowner with an owner-builder permit C) Any journeyman electrician on behalf of the homeowner D) The general contractor building the home Correct Answer: B
Explanation: Wisconsin allows a homeowner who occupies the dwelling to obtain an "owner-builder" permit for electrical work, provided they pass an exam.
- An "Electrical Contractor" license is required to: A) Perform electrical work as an individual employee of a company B) Offer electrical services to the public for compensation C) Perform electrical work for a non-profit organization D) Work as a maintenance electrician in a factory Correct Answer: B Explanation: A licensed electrical contractor is the business entity authorized to contract with the public for electrical installations and repairs.
- Under SPS 316, the Wisconsin Commercial Building Code adopts which national code for electrical work? A) NFPA 70 (National Electrical Code – NEC) with Wisconsin amendments B) International Residential Code (IRC) with Wisconsin amendments C) Uniform Mechanical Code (UMC) D) National Fire Alarm and Signaling Code (NFPA 72) Correct Answer: A Explanation: SPS 316 adopts the NEC as the electrical code for commercial buildings.
- How often is the NEC updated, and how does Wisconsin adopt it?
C) 100 amps D) 200 amps Correct Answer: C Explanation: The Wisconsin Uniform Dwelling Code requires a minimum 100- amp service for most single-family dwellings (200 amps for larger homes).
- Who is responsible for inspecting the electrical work performed under a permit? A) The electrical contractor who performed the work B) The local electrical inspector (municipal) or State-certified electrical inspector C) The property owner D) The architect Correct Answer: B Explanation: Electrical work must be inspected by a certified electrical inspector from the local municipality or the State.
- Which of the following best describes the role of the Wisconsin Department of Safety and Professional Services (DSPS) regarding electrical inspections? A) DSPS performs all electrical inspections in the state B) DSPS certifies electrical inspectors and licenses electricians; local municipalities often perform inspections C) DSPS only inspects commercial buildings over 10,000 sq ft D) DSPS is not involved in electrical inspections
Correct Answer: B Explanation: DSPS sets standards and certifies inspectors, but the actual inspections are often performed by local municipal inspectors or a third-party agency.
- An electrical apprentice who is injured on the job must: A) Immediately report the injury to their supervisor and complete an employer accident report B) Keep the injury secret to avoid drug testing C) Report to the state only if a death occurs D) Go to the hospital without telling the employer Correct Answer: A Explanation: Immediate reporting is required for workers' compensation and OSHA compliance. =============================================================== ================= SECTION 2: NATIONAL ELECTRICAL CODE (NEC) & WISCONSIN AMENDMENTS (Questions 31-100) =============================================================== =================
- What is the standard voltage for a residential general-purpose receptacle in the U.S.? A) 110V (nominal 120V)
Explanation: White or gray is the standard for the grounded (neutral) conductor.
- The maximum number of current-carrying conductors permitted in a 1/2- inch EMT conduit before derating is required is: A) 1 B) 2 C) 3 D) 4 Correct Answer: C Explanation: Table 1 of Chapter 9 allows up to 3 conductors, but derating begins at 4 current-carrying conductors per NEC Table 310.15(C)(1).
- What is the minimum burial depth for non-metallic (UF) cable under a residential driveway? A) 6 inches B) 12 inches C) 18 inches D) 24 inches Correct Answer: D Explanation: NEC Table 300.5 requires 24 inches for UF cable under a driveway (areas with vehicle traffic). 12 inches is for 120V GFCI circuits in yards.
- A straight pull box for 3-inch conduits must be at least how long? A) 12 inches B) 18 inches C) 24 inches (8 times the trade diameter of the largest conduit = 8 × 3 = 24 inches) D) 36 inches Correct Answer: C Explanation: NEC 314.28 requires the length to be at least 8 times the trade diameter of the largest conduit for straight pulls: 8 × 3 = 24 inches.
- An angle pull box (with a 3-inch conduit entering the side) must have the distance from the entry to the opposite wall at least how many times the diameter of the largest conduit plus the sum of the diameters of all other conduits in that row? A) 6 times B) 8 times C) 12 times D) 3 times Correct Answer: A Explanation: For angle pulls, the distance from the entry to the opposite wall is 6 times the largest conduit + sum of the diameters of other conduits in the same row.
- Under NEC 300.3(B), all conductors of a circuit must be contained in: A) Separate conduits for hot and neutral
Correct Answer: D Explanation: Cable tray support spacing is a design and listing requirement, but general practice is 5-7 ft.
- What is the ampacity of 12 AWG copper THHN wire at 60°C (assuming standard rating)? A) 15 amps B) 20 amps C) 25 amps D) 30 amps Correct Answer: B Explanation: 12 AWG copper at the 60°C column (required for most terminations) is 20 amps.
- What is the ampacity of 12 AWG copper THHN wire at 90°C (but limited by termination)? A) 20 amps (due to termination limit) B) 25 amps (90°C rating) C) 30 amps D) 18 amps Correct Answer: A Explanation: While THHN is rated for 90°C (30 amps), most breakers and terminals are rated 75°C or 60°C, so the circuit is limited to 20 amps.
- AL/CU rated receptacles are specifically for use with: A) Only aluminum wire B) Only copper wire C) Either aluminum or copper conductors D) Non-metallic sheathed cable only Correct Answer: C Explanation: "AL/CU" rating indicates the device is approved for use with both aluminum and copper wire.
- A "SWD" rating on a switch indicates it is suitable for: A) Switching fluorescent lighting loads B) Wet locations C) Outdoor use D) Motor loads Correct Answer: A Explanation: "SWD" stands for "Switching Device" rated for fluorescent lighting.
- Which of the following is a violation of NEC 314.19 (junction box fill)? A) Installing a wire mold box B) Conductors filling the box to 55% of capacity C) A box with 3 wires connected to a dimmer
