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JOURNEYMAN NEC 2026

NEC 2026 Journeyman Practice Test 5

Free Online Journeyman Electrician Practice Test — NEC 2026 Edition 5This free 25-question practice test covers wiring methods such as NM cable, EMT, and flexible conduit, key NEC Article 100 definitions, working space clearances, and several detailed 2026 NEC emergency disconnect (230.85) scenarios. Based on the 2026 National Electrical Code.

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journeyman electrician

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Frequently Asked Questions

Yes — completely free with no account required. All questions include detailed explanations and NEC references.

Most state Journeyman exams have 80–100 questions covering NEC code, wiring methods, branch circuits, motor controls, and load calculations.

Most states require a 70–75% passing score. This practice test uses the same 70% pass threshold so you know where you stand.

Questions are written to the 2026 NEC. Check your state licensing board to confirm which edition your state has adopted.

How to Use This Practice Test

This NEC 2026 Journeyman Practice Test 5 has 25 questions with detailed answers and NEC references. Take the full test, review every wrong answer, and look up the NEC article it references before moving on.

Tip: This is an open-book exam — tab your NEC index and Articles 210, 250, and 430 before you start.

Topics covered: Branch circuits, grounding, wiring methods, load calculations, and motors.
Passing score: 70–75% (most states). Aim for 80% on practice tests so the real exam feels easy.
Questions: 25 multiple-choice, one correct answer each

Questions

38 min

Time

70%

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NEC 2026 Journeyman Practice Test 5 — Question List

Question 1: A cable is run through bored holes in roof rafters. Per NEC 300.4(A)(1), where the edge of the bored hole is less than 1-1/4 inches from the nearest edge of the rafter, the cable must be protected by:

A steel plate or bushing not less than 1/16 inch thick
Additional cable ties only
A larger-diameter hole
Nothing — rafters are exempt from this rule

NEC Reference: NEC 300.4(A)(1)

Question 2: Per NEC 300.4(D), where a cable or raceway is installed parallel to framing members such as studs, joists, or rafters, it must be installed so that it is not less than what distance from the nearest edge of the framing member, or otherwise protected?

3/4 inch
1 inch
1-1/4 inches
2 inches

NEC Reference: NEC 300.4(D)

Question 3: Per NEC Table 300.5, a UF cable installed under a one-family dwelling's residential driveway, supplying a 120V, 20A circuit protected by GFCI, generally requires a minimum burial depth of:

6 inches
12 inches
18 inches
24 inches

NEC Reference: NEC Table 300.5

Question 4: Per NEC 300.11(A), raceways and cables must be securely fastened in place and are NOT permitted to be supported by:

Independent support wires installed specifically for that purpose
A fire-rated ceiling's support wires used solely for that purpose
Ceiling grid or ceiling support wires of a suspended ceiling not installed for that purpose
Structural building members

NEC Reference: NEC 300.11(A)

Question 5: Per NEC 334.80, even though NM cable conductors may be rated 90 degrees C, the ampacity of NM cable must be determined using the:

90°C column of Table 310.16
75°C column of Table 310.16
60°C column of Table 310.16
Average of the 60°C and 90°C columns

NEC Reference: NEC 334.80

Question 6: Per NEC Article 336, Type TC (power and control tray cable) is permitted to be installed in cable trays, in raceways, and, where specifically listed for the purpose,:

Directly buried, if identified for that use
Only in dry indoor locations
Never outdoors
Only in residential dwellings

NEC Reference: NEC 336.10

Question 7: Per NEC 358.12, electrical metallic tubing (EMT) is not permitted to be installed:

In cinder concrete or cinder fill subject to permanent moisture, unless protected
In any concrete slab, under any condition
Above a suspended ceiling
In dry locations

NEC Reference: NEC 358.12

Question 8: Per NEC 350.60, liquidtight flexible metal conduit (LFMC) is permitted to serve as the equipment grounding conductor only where the total length in any ground-fault current path does not exceed:

3 feet
6 feet
10 feet
25 feet

NEC Reference: NEC 350.60

Question 9: Per NEC 110.14(C)(1)(a), for equipment rated 100 amperes or less, conductor ampacity used for termination purposes must generally be based on the:

90°C column, regardless of equipment listing
75°C column, always
60°C column, unless the equipment is listed and marked for a higher temperature
The conductor's actual insulation rating, with no adjustment

NEC Reference: NEC 110.14(C)(1)(a)

Question 10: Per NEC Table 110.26(A)(1), for equipment operating at 0-150 volts to ground under Condition 2 (exposed live parts on one side, grounded parts on the other), the minimum working space depth is:

2 feet 6 inches
3 feet
3 feet 6 inches
4 feet

NEC Reference: NEC Table 110.26(A)(1)

Question 11: Per NEC 110.3(B), listed or labeled equipment must be:

Installed and used per any instructions included in the listing or labeling
Installed however the electrician judges best, ignoring manufacturer instructions
Re-inspected annually regardless of use
Exempt from all other NEC requirements

NEC Reference: NEC 110.3(B)

Question 12: Per NEC Article 100, a "Dwelling Unit" is defined as a single unit providing complete, independent living facilities, including permanent provisions for:

Living, sleeping, cooking, and sanitation
Cooking only
Sleeping only
Parking and storage only

NEC Reference: NEC Article 100

Question 13: Per NEC Article 100, a "Qualified Person" is one who has skills and knowledge related to the construction and operation of the electrical equipment and installations, and who has received:

Safety training to recognize and avoid the hazards involved
A four-year engineering degree only
No specific training — job title alone qualifies them
Only a general contractor's license

NEC Reference: NEC Article 100

Question 14: Per NEC Article 100, a "Branch Circuit" is defined as the circuit conductors between the final overcurrent device protecting the circuit and the:

Outlet(s)
Service equipment
Utility transformer
Grounding electrode

NEC Reference: NEC Article 100

Question 15: Per NEC 400.12, flexible cords and cables are NOT permitted to be used as a substitute for:

The fixed wiring of a structure
Pendant connections to luminaires
Connection of portable appliances
Elevator cables

NEC Reference: NEC 400.12(1)

Question 16: Per NEC 410.16(B), a surface-mounted incandescent or LED luminaire installed in a clothes closet, without a completely enclosed light source, must maintain a minimum clearance from the nearest point of a storage space of:

6 inches
12 inches
18 inches
24 inches

NEC Reference: NEC 410.16(B)

Question 17: Per NEC Article 725, a Class 2 power-limited circuit is characterized by its power source being limited such that, under both normal and fault conditions, it:

Does not require the level of overcurrent protection or wiring methods required for electric light and power circuits
Requires the same overcurrent protection as a 120V branch circuit
May never be run in the same raceway as any other circuit
Must always use 12 AWG minimum conductors

NEC Reference: NEC Article 725

Question 18: Per NEC 344.10(D) and 342.10, rigid metal conduit (RMC) and intermediate metal conduit (IMC) installed in a corrosive environment must be protected by:

A corrosion-resistant material, such as PVC coating, or an approved method for the environment
No additional protection is ever required
A layer of tape only
Painting with any exterior paint

NEC Reference: NEC 344.10(D) / 342.10

Question 19: Per the 2026 NEC 230.85(A)(2), which of the following satisfies the emergency disconnect requirement for a one-family dwelling?

A meter disconnect installed per 230.82(3) and marked as the emergency disconnect
The main breaker of an interior subpanel
Any feeder disconnect downstream of the service
A 200A indoor panel in the laundry room

NEC Reference: NEC 2026 — 230.85(A)(1)-(3)

Question 20: A one-family dwelling has an existing 150A indoor service installed under an older NEC edition. The homeowner is only replacing the roof, with no electrical work performed. Per the 2026 NEC, must an emergency disconnect be added because of this reroofing project?

Yes, any 2026-permitted project on the property triggers 230.85
No, the existing service is not retroactively required to comply absent service alteration
Only if the roofer is also a licensed electrician
Only if the service is over 100A

NEC Reference: NEC 2026 — 230.85, scope

Question 21: Where two through six service disconnects are grouped at a dwelling to satisfy 230.71, per the 2026 NEC 230.85(D), each disconnect used to satisfy the emergency disconnect requirement must be:

Ganged together and operated by a single handle
Individually marked and may be operated independently
Limited to a maximum of two disconnects
Exempt from any emergency disconnect marking

NEC Reference: NEC 2026 — 230.85(D)

Question 22: A one-family dwelling uses a meter-combination enclosure that includes the service disconnect inside the same enclosure as the meter. Per the 2026 NEC 230.85(A)(1), may this equipment serve as the emergency disconnect?

Yes, provided it is marked "EMERGENCY DISCONNECT, SERVICE DISCONNECT"
No, meter-combination enclosures are excluded from 230.85
Only if a second, separate device is also installed
Only in rural jurisdictions

NEC Reference: NEC 2026 — 230.85(A)(1)

Question 23: Where the emergency disconnect is a stand-alone device installed ahead of the service equipment, per the 2026 NEC 230.85(C), the conductors between that disconnect and the service equipment are considered:

Feeder conductors
Service conductors
Branch-circuit conductors
Tap conductors under 240.21(B)

NEC Reference: NEC 2026 — 230.85(C)

Question 24: A dwelling has a solar PV system interconnected at the load side of the service equipment, with its own rapid shutdown system per Article 690. Per the 2026 NEC, does the 230.85 emergency disconnect need to also disconnect the PV system?

Yes, 230.85 always includes PV systems
No, the PV system has its own disconnecting means and rapid shutdown under Article 690
Only if the PV system exceeds 30kW
Only if the PV uses string inverters

NEC Reference: NEC 2026 — 230.85 / 690.13

Question 25: A contractor is replacing a damaged service mast and meter base on an existing one-family dwelling, and the AHJ requires the work to comply with the 2026 NEC. Per 230.85, is an emergency disconnect generally required as part of this work?

No, existing services are always exempt regardless of the scope of work
Yes, when the service is materially altered, the AHJ generally requires 230.85 compliance as part of the work
Only if the amperage is increased
Only if the homeowner requests it

NEC Reference: NEC 2026 — 230.85, scope

Key NEC References for This Test

Article	What It Covers
Art. 100	Definitions — know: feeder, branch circuit, OCPD, dwelling unit
Art. 210	Branch Circuits — GFCI/AFCI locations, circuit ratings, outlet spacing (most tested)
Art. 220	Load Calculations — dwelling unit standard method
Art. 250	Grounding & Bonding — GEC sizing, electrode system, EGC
Art. 310	Conductors — ampacity (Table 310.12), insulation, derate rules
Art. 430	Motors — conductor 125% FLA, OCPD 250% FLA, overloads, disconnects

Study Tip: Tab Articles 210, 250, and 430 in your NEC before the exam. Know the Table 310.12 ampacity values for 14, 12, 10, 8, 6, and 4 AWG copper.

NEC 2026 Journeyman Practice Test 5

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Key NEC References for This Test

NEC 2026 Journeyman Practice Test 5

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NEC 2026 Journeyman Practice Test 5 — Question List

Question 1: A cable is run through bored holes in roof rafters. Per NEC 300.4(A)(1), where the edge of the bored hole is less than 1-1/4 inches from the nearest edge of the rafter, the cable must be protected by:

Question 2: Per NEC 300.4(D), where a cable or raceway is installed parallel to framing members such as studs, joists, or rafters, it must be installed so that it is not less than what distance from the nearest edge of the framing member, or otherwise protected?

Question 3: Per NEC Table 300.5, a UF cable installed under a one-family dwelling's residential driveway, supplying a 120V, 20A circuit protected by GFCI, generally requires a minimum burial depth of:

Question 4: Per NEC 300.11(A), raceways and cables must be securely fastened in place and are NOT permitted to be supported by:

Question 5: Per NEC 334.80, even though NM cable conductors may be rated 90 degrees C, the ampacity of NM cable must be determined using the:

Question 6: Per NEC Article 336, Type TC (power and control tray cable) is permitted to be installed in cable trays, in raceways, and, where specifically listed for the purpose,:

Question 7: Per NEC 358.12, electrical metallic tubing (EMT) is not permitted to be installed:

Question 8: Per NEC 350.60, liquidtight flexible metal conduit (LFMC) is permitted to serve as the equipment grounding conductor only where the total length in any ground-fault current path does not exceed:

Question 9: Per NEC 110.14(C)(1)(a), for equipment rated 100 amperes or less, conductor ampacity used for termination purposes must generally be based on the:

Question 10: Per NEC Table 110.26(A)(1), for equipment operating at 0-150 volts to ground under Condition 2 (exposed live parts on one side, grounded parts on the other), the minimum working space depth is:

Question 11: Per NEC 110.3(B), listed or labeled equipment must be:

Question 12: Per NEC Article 100, a "Dwelling Unit" is defined as a single unit providing complete, independent living facilities, including permanent provisions for:

Question 13: Per NEC Article 100, a "Qualified Person" is one who has skills and knowledge related to the construction and operation of the electrical equipment and installations, and who has received:

Question 14: Per NEC Article 100, a "Branch Circuit" is defined as the circuit conductors between the final overcurrent device protecting the circuit and the:

Question 15: Per NEC 400.12, flexible cords and cables are NOT permitted to be used as a substitute for:

Question 16: Per NEC 410.16(B), a surface-mounted incandescent or LED luminaire installed in a clothes closet, without a completely enclosed light source, must maintain a minimum clearance from the nearest point of a storage space of:

Question 17: Per NEC Article 725, a Class 2 power-limited circuit is characterized by its power source being limited such that, under both normal and fault conditions, it:

Question 18: Per NEC 344.10(D) and 342.10, rigid metal conduit (RMC) and intermediate metal conduit (IMC) installed in a corrosive environment must be protected by:

Question 19: Per the 2026 NEC 230.85(A)(2), which of the following satisfies the emergency disconnect requirement for a one-family dwelling?

Question 20: A one-family dwelling has an existing 150A indoor service installed under an older NEC edition. The homeowner is only replacing the roof, with no electrical work performed. Per the 2026 NEC, must an emergency disconnect be added because of this reroofing project?

Question 21: Where two through six service disconnects are grouped at a dwelling to satisfy 230.71, per the 2026 NEC 230.85(D), each disconnect used to satisfy the emergency disconnect requirement must be:

Question 22: A one-family dwelling uses a meter-combination enclosure that includes the service disconnect inside the same enclosure as the meter. Per the 2026 NEC 230.85(A)(1), may this equipment serve as the emergency disconnect?

Question 23: Where the emergency disconnect is a stand-alone device installed ahead of the service equipment, per the 2026 NEC 230.85(C), the conductors between that disconnect and the service equipment are considered:

Question 24: A dwelling has a solar PV system interconnected at the load side of the service equipment, with its own rapid shutdown system per Article 690. Per the 2026 NEC, does the 230.85 emergency disconnect need to also disconnect the PV system?

Question 25: A contractor is replacing a damaged service mast and meter base on an existing one-family dwelling, and the AHJ requires the work to comply with the 2026 NEC. Per 230.85, is an emergency disconnect generally required as part of this work?

Key NEC References for This Test

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