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JOURNEYMAN NEC 2023 FREE FULL-LENGTH EXAM

Florida Journeyman Electrician Practice Test - Full-Length Test 1 (Technical Section)

A full-length, 100-question practice exam covering all 8 core NEC topic areas, weighted the same way the real exam is. Modeled on Florida's real licensing exam format.

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100

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300 min

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75%

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100 questions, 300 min, 75% to pass — sized and paced like the Florida licensing exam. Finish it to see your score and your 3 weakest topics, free.

Partly open book: the real Florida exam lets you use the NEC. Keep your code book next to you and practise looking things up.

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TOPICS COVERED

General Requirements Wiring and Protection Wiring Methods and Materials Load Calculations Equipment for General Use Special Equipment Motor Circuits Special Occupancies

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100 questions in 300 minutes, sized and paced like the Florida journeyman exam.

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How to Use This Practice Test

This Florida Journeyman Electrician Practice Test - Full-Length Test 1 (Technical Section) has 100 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: 100 multiple-choice, one correct answer each

Florida Journeyman Electrician Practice Test - Full-Length Test 1 (Technical Section) — Question List

Question 1: What is the minimum headroom required in the working space for switchboards and panelboards?

6½ feet
8½ feet
4½ feet
2½ feet

NEC Reference: NEC 110.26(A)(3)

Question 2: Structural steel that forms part of a building frame must be bonded to the grounding electrode system when it is likely to be energized. Per 250.104(C), this bond is sized:

Per Table 250.66 — same as the GEC
Per Table 250.102(C)(1) — same as the equipment bonding jumper on the supply side
Always 4 AWG copper minimum, regardless of service size
Structural steel is not required to be bonded to the electrical system

NEC Reference: NEC 250.104(C)

Question 3: Type AC cable is NOT permitted in which locations?

Damp and wet locations
Concealed locations
Exposed locations
Dry locations

NEC Reference: NEC 320.12

Question 4: A K-12 school is using the optional method in 220.86. The first 3 VA per sq ft is taken at 100%; the remainder is taken at:

50% then 25%
75% then 25%
100% then 50%
40% then 30%

NEC Reference: NEC Table 220.86

Question 5: What size copper branch-circuit conductor is required for a 4000 W, 240 V storage water heater?

12 AWG
14 AWG
8 AWG
10 AWG

NEC Reference: NEC 422.13, 422.10(A)

Question 6: The ampacity of 25-ft feeder tap conductors must not be less than what fraction of the overcurrent device protecting the feeder?

NEC Reference: NEC 240.21(B)(2)

Question 7: The maximum recommended voltage drop in a branch circuit is ____ percentage

NEC Reference: NEC 210.19

Question 8: In a single-family dwelling unit, what is the minimum allowable rating of 3-wire service-entrance conductors?

125 amperes
100 amperes
150 amperes
75 amperes

NEC Reference: NEC 230.42(B), 230.79(C)

Question 9: What is the maximum number of service disconnecting means permitted for each service?

NEC Reference: NEC 230.71(B)

Question 10: Plug fuses may be used in circuits not exceeding how many volts between conductors?

NEC Reference: NEC 240.50(A)

Question 11: The informational note in 215.2(A) recommends a feeder voltage drop limit of:

NEC Reference: NEC 215.2(A) IN

Question 12: What size copper service-entrance conductors (75°C terminals) are required for a 250 A continuous 3-phase load?

3/0 AWG
250 kcmil
400 kcmil
2/0 AWG

NEC Reference: NEC 230.42(A), Table 310.16

Question 13: Five 12 kW electric ranges in a multifamily dwelling. Using Table 220.55 Column C, the demand load is:

15 kW
20 kW
25 kW
60 kW

NEC Reference: NEC Table 220.55

Question 14: What is the minimum working space depth in front of enclosed equipment operating at 240 volts (120 volts to ground), Condition 1?

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

Question 15: What is the maximum percentage of an auxiliary gutter's interior cross-sectional area that may be filled with conductors?

30 %
20 %
60 %
50 %

NEC Reference: NEC 366.22

Question 16: Fuses installed in a service entrance disconnecting means must be what class?

Class H fuses — the standard for all services
Any listed fuse with adequate ampere rating and interrupting capacity
Plug fuses only — cartridge fuses are not allowed at services
Class A fuses — the highest rated class available

NEC Reference: NEC 110.9, 240.60

Question 17: What is the minimum service disconnecting means for a one-family dwelling?

100 amperes, 3-wire
100 amperes, 2-wire
50 amperes, 3-wire
50 amperes, 2-wire

NEC Reference: NEC 230.79

Question 18: The branch circuit supplying the pump motor for a permanently installed swimming pool must include:

AFCI protection
GFCI protection
A dedicated 30A circuit with no other loads
A time clock with GFPE at the panel

NEC Reference: NEC 680.21(C)

Question 19: 220.87 permits the existing-installation calculation method when:

Maximum demand data for at least one year is available (or the 30-day maximum × 1.25)
The building has been unoccupied for one year
New service is being installed for a new building
The load is unknown and must be estimated

NEC Reference: NEC 220.87

Question 20: What is the minimum size copper equipment grounding conductor for a 300-ampere circuit?

4 AWG
6 AWG
8 AWG
10 AWG

NEC Reference: NEC 250.122

Question 21: For a permanently installed swimming pool at a house, receptacles that are located between 6 feet and 20 feet from the pool edge must have:

AFCI protection
GFCI protection
Tamper-resistant protection only
No special protection — the 6-foot rule is all that applies

NEC Reference: NEC 680.22(A)

Question 22: An isolated ground receptacle shall be identified by : ____

An orange triangle
A permanent seal
A green dot
A cross sign

NEC Reference: NEC 406.3(D)

Question 23: Which size branch circuit protection is required for 20A motor compressor connected to 240 Volts circuit?

40 A
35 A
45 A
50 A

NEC Reference: NEC 440.22(A)

Question 24: A 2-inch raceway enters a junction box and the conductors make a U-pull (enter and exit on the same wall). Per 314.28(A)(2), minimum distance between raceway entry and the opposite wall is:

6 inches
8 inches
12 inches
24 inches

NEC Reference: NEC 314.28(A)(2)

Question 25: The metal enclosures used for service conductor and equipment ____

Must never be grounded
Must be grounded
Should be coated with non conducting material
Should have clearance of 30 inches b/w enclosure and equipment

NEC Reference: NEC 250.80

Question 26: A circuit has an overcurrent device rated 1170 A and uses three parallel sets of conductors. What is the minimum copper conductor size per set (75°C)?

600 kcmil copper
500 kcmil copper
400 kcmil copper
700 kcmil copper

NEC Reference: NEC 310.16

Question 27: In the 200A residential panel shown, the 50A two-pole EV charger is a continuous load. Conductor and OCPD must be sized at:

100% of EVSE rating
125% of EVSE rating
150% of EVSE rating
80% of breaker rating

NEC Reference: NEC 625.41

Question 28: What is the maximum demand for four household electric ranges (each rated not over 12 kW), per Table 220.55 Column C?

17 KW
15 KW
10 KW
25 KW

NEC Reference: NEC 220.55

Question 29: A 460V, 3-phase motor runs at 28 amps full load. What is the smallest conductor ampacity you can use for its branch circuit?

28 A (match the motor FLA exactly)
32 A (115% of FLA)
35 A (125% of FLA)
42 A (150% of FLA)

NEC Reference: NEC 430.22

Question 30: On a residential electric service which of the following conductors need overcurrent protection?

Un-grounded conductors
Grounded conductors
Neutral Conductor
Equipment Grounding Conductor

NEC Reference: NEC 240.15(A)

Question 31: A feeder supplies a 25 HP (34 A) and a 10 HP (14 A) motor, both 460 V, 3-phase, protected by inverse-time breakers. What is the maximum feeder breaker size?

70A
90A
100A
125A

NEC Reference: NEC 430.62

Question 32: Flexible cords must NOT be used:

For wiring of luminaires
For cranes and hoists
For elevator cables
As a substitute for the fixed wiring of a structure

NEC Reference: NEC 400.12

Question 33: What is the maximum continuous load that can be connected to 240 volts 10 ampere branch circuit?

8 amperes
10 amperes
5 amperes
9 amperes

NEC Reference: NEC 210.20

Question 34: When a flexible cord has 5 current-carrying conductors, what percentage of rated ampacity is allowed for each conductor?

NEC Reference: NEC 400.5(A)(3)

Question 35: Full-load current of a 25 HP, 3-phase, 460V squirrel-cage motor from Table 430.250 is:

NEC Reference: NEC Table 430.250

Question 36: Show window lighting in a retail store is calculated at what VA per linear foot of window?

100 VA per linear foot
150 VA per linear foot
200 VA per linear foot
300 VA per linear foot

NEC Reference: NEC 220.14(G)

Question 37: The dedicated electrical space above a panelboard must extend how far above the top of the equipment?

3 ft above the top of the equipment
6 ft above the top of the equipment (or to structural ceiling)
To the highest point of the room only
No dedicated space is required above the panel

NEC Reference: NEC 110.26(F)(1)(a)

Question 38: What is the allowable ampacity of 8 AWG copper THWN in a room where the ambient temperature is 42°C?

50 amperes
65 amperes
41 amperes
47 amperes

NEC Reference: NEC Table 310.16, Table 310.15(B)(1)

Question 39: What is the highest current rating of plug fuses of Edison base type?

30 amperes
120 amperes
80 amperes
50 amperes

NEC Reference: NEC 240.51

Question 40: A motor may be protected against overload, short circuit and ground fault by a single overcurrent device, if it is sized for overload protection.

True
False

NEC Reference: NEC 430.55

Question 41: A conduit body (Type LB) is being used in a conduit run. Under what conditions can it contain a splice?

Conduit bodies can never contain splices — they are pull points only
Only if the conduit body is accessible and its volume is marked on the body
Any time the conduit body is larger than the conduit trade size
Only if the splice is made with a listed wire connector

NEC Reference: NEC 314.16(C)(2)

Question 42: A 4 hp 230 V single phase motor has a service factor of 1.15 and name plate current rating of 25 A. What size dual element fuse can be used to protect the motor from overloads, short circuit and ground faults?

25 A
30 A
28 A
35 A

NEC Reference: NEC 430.32(A)(1)

Question 43: What is the allowable ampacity of a 10 AWG fixture wire?

28 amperes
23 amperes
17 amperes
32 amperes

NEC Reference: NEC 402.5

Question 44: Where 10-ft tap conductors leave the enclosure or vault, their ampacity must not be less than what fraction of the overcurrent device protecting the feeder?

1/5
1/10
1/12
1/8

NEC Reference: NEC 240.21

Question 45: How must insulated or bare busbars be mounted in panelboards and switchboards?

Loose
Rigidly
Snug
Vertical to the floor

NEC Reference: NEC 408.51

Question 46: What is the allowable ampacity of 6 AWG copper THW (75°C column) at the standard 30°C ambient?

65 amperes
85 amperes
50 amperes
100 amperes

NEC Reference: NEC 310.16

Question 47: A multifamily dwelling has 12 units. Using the optional method in 220.84, what demand factor is applied to the total connected load?

NEC Reference: NEC Table 220.84

Question 48: A 480V switchboard has exposed live parts on one side of the working space and grounded metal parts on the other (Condition 2). What is the minimum working clearance depth in front of the switchboard?

3 feet
3½ feet
4 feet
6 feet

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

Question 49: Direct-buried cables that emerge from grade must be protected up to how high above the ground?

8 feet
18 feet
10 feet
6 feet

NEC Reference: NEC 300.5(D)(1)

Question 50: Sealing compound in a seal fitting must have a melting point of not less than:

90°C
101°C
93°C
108°C

NEC Reference: NEC 501.15

Question 51: When picking a motor controller, what is the minimum current it must be rated to handle?

Full-load current only
Locked-rotor current only
Both full-load current and locked-rotor current
The available short-circuit current from the utility

NEC Reference: NEC 430.83

Question 52: Branch circuit conductors must have an ampacity of at least what percentage of the continuous portion of the circuit load?

100% of continuous load
115% of continuous load
125% of continuous load
150% of continuous load

NEC Reference: NEC 210.19(A)(1)

Question 53: What is the maximum operating voltage of a low voltage lighting system?

30 volts
25 volts
40 volts
35 volts

NEC Reference: NEC 411.1

Question 54: A 20-ampere branch circuit supplies lighting units and a fastened-in-place appliance. The appliance may not exceed what percent of the branch-circuit rating?

50 %
75 %
60 %
40 %

NEC Reference: NEC 210.23(A)(2)

Question 55: What is the minimum burial depth for rigid metal conduit (RMC) installed under a residential driveway?

6 inches
12 inches
18 inches
24 inches

NEC Reference: NEC Table 300.5

Question 56: An 18,000 sq ft commercial property has one hundred twenty 15 A and 20 A, 120 V receptacles. What is the calculated receptacle load?

15800 VA
18000 VA
16800 VA
21500 VA

NEC Reference: NEC 220.14(I), 220.44

Question 57: The main service disconnect for a one-family dwelling must be rated at least how many amps?

60A
100A
150A
200A

NEC Reference: NEC 230.79(C)

Question 58: The residential load calculation worksheet shows a 2,400 sq ft house with a 12 kW range, two 4.5 kW water heaters, a 5-ton A/C unit (24A at 240V), and 10 kW of electric baseboard heat. Using the standard method, what is the calculated demand for just the general lighting and SABC loads combined before applying the demand factor?

7,200 VA — general lighting only
10,200 VA — general lighting plus SABC only, no laundry
11,700 VA — general lighting, two SABC circuits, and laundry circuit
13,200 VA — including all circuits in the calculation

NEC Reference: NEC 220.41, 220.52

Question 59: Constant-voltage generators, except ac generator exciters, must be protected from:

Ground faults
Overload
Overvoltage
Reverse power

NEC Reference: NEC 445.12(A)

Question 60: How many current-carrying conductors may be in a raceway or cable before adjustment factors must be applied?

NEC Reference: NEC 310.15(B)(3)(a)

Question 61: EMT conduit can be used in all the locations including hazardous locations.

True
False

NEC Reference: NEC 358.12

Question 62: What demand factor applies to the feeder load of a commercial kitchen with four pieces of electric cooking equipment?

100 %
90 %
80 %
75 %

NEC Reference: NEC Table 220.56

Question 63: A panelboard equipped with snap switches rated 30 amperes or less must have overcurrent protection rated not more than:

200 amperes
30 amperes
150 amperes
300 amperes

NEC Reference: NEC 408.36(A)

Question 64: What is the adjusted ampacity of 3/0 copper THWN in a wet location at 108°F (42°C), with four current-carrying 3/0 THWN conductors in the raceway?

131 amperes
119 amperes
144 amperes
160 amperes

NEC Reference: NEC Table 310.16, Table 310.15(B)(1), Table 310.15(C)(1)

Question 65: What is the required size of a neutral conductor for a dwelling unit with a calculated load of 220 A. The unbalanced load is 120 A and service disconnect rating is 250A.

1 AWG
2 AWG
3 AWG
4 AWG

NEC Reference: NEC 310.16

Question 66: What is the maximum size fuse allowed to protect 12 AWG THW copper branch conductor?

15 amperes
20 amperes
25 amperes
30 amperes

NEC Reference: NEC 240.4(D)(5)

Question 67: Snap switches in the same enclosure must not have more than how many volts between adjacent devices, unless barriers are installed?

300 volts
240 volts
480 volts
120 volts

NEC Reference: NEC 404.8(B)

Question 68: What ampere rating is required for the branch circuit that supplies dwelling unit bathroom receptacle outlets?

20 amp
15 amp
25 amp
10 amp

NEC Reference: NEC 210.11(C)(3)

Question 69: A single-phase motor has a full-load current of 30 A. What is the maximum dual-element fuse size for branch-circuit short-circuit protection?

50 amperes
55 amperes
60 amperes
65 amperes

NEC Reference: NEC 430.52

Question 70: Two overcurrent devices cannot be connected in parallel (both in the same circuit) unless:

The circuits they protect are identical
They are part of a listed assembly specifically designed for parallel operation
Each breaker is rated for half the expected load current
Parallel OCPDs are always permitted on feeders above 800A

NEC Reference: NEC 240.8

Question 71: A 5 HP three-phase motor with a nameplate current of 25 A is used for intermittent duty with a 5-minute rating. What size branch-circuit conductor can be used with 75°C terminals?

12 AWG
8 AWG
10 AWG
14 AWG

NEC Reference: NEC 430.22(E)

Question 72: What size copper branch-circuit conductor is needed for a 3 HP, 115-volt single-phase motor with 60°C terminals?

6 AWG
8 AWG
10 AWG
12 AWG

NEC Reference: NEC 430.248

Question 73: What is the smallest copper underground service conductor permitted to supply limited loads of a single branch circuit?

12 AWG
8 AWG
6 AWG
10 AWG

NEC Reference: NEC 230.31

Question 74: In a single-phase, 3-wire system, the middle conductor must be:

Grounded
Ungrounded
A hot conductor
An equipment grounding conductor

NEC Reference: NEC 250.26

Question 75: The service entrance diagram shows a 480Y/277V, solidly grounded wye service rated at 1200A. Does this service require ground-fault protection of equipment (GFPE), and if so, why?

No — GFPE is only required on 120/240V services
Yes — the voltage to ground exceeds 150V and the service is 1000A or more
No — GFPE is optional on any service over 600V
Yes — all services over 800A require GFPE regardless of voltage

NEC Reference: NEC 230.95

Question 76: What is the minimum clearance of service drops over public streets, roads parking areas subject to truck traffic?

18 feet
15 feet
10 feet
12 feet

NEC Reference: NEC 230.24(B)(4)

Question 77: A 480V switchboard at an industrial plant has a calculated available fault current of 42,000 amps at the bus. What is the minimum interrupting rating required for the OCPDs in this switchboard?

10,000A AIC — standard panel rating
22,000A AIC — the next common rating above residential
42,000A AIC or higher
No AIC rating is required on the load side of the service

NEC Reference: NEC 110.9

Question 78: In a Category 1 patient bed location of a hospital, minimum number of receptacles required per 517.18(B) is:

NEC Reference: NEC 517.19(B)

Question 79: In a 3-phase, 4-wire wye system where more than 50% of the load is nonlinear (computers, VFDs, LED drivers), how is the neutral treated when counting current-carrying conductors for derating?

The neutral never counts as a current-carrying conductor
The neutral counts as a current-carrying conductor because it carries harmonic current
The neutral counts only if it is larger than the phase conductors
The neutral counts only in single-phase circuits

NEC Reference: NEC 310.15(E)(1)(b)

Question 80: A 25 amperes branch circuit connected with a cord-and-plug-connected appliance. What is the maximum ampere rating permitted for the appliance?

20 amperes
22.5 amperes
25 amperes
18.5 amperes

NEC Reference: NEC 210.23(A)(1)

Question 81: What size copper THWN conductor is required for a 35 A circuit with 60°C terminations?

8 AWG
6 AWG
10 AWG
12 AWG

NEC Reference: NEC 110.14

Question 82: At bulk storage plants, underground wiring may be installed in which of the following?

Threaded rigid metal conduit
Threaded steel intermediate metal conduit
PVC conduit with at least 2 ft of cover
All of these

NEC Reference: NEC 515.8

Question 83: The motor branch-circuit short-circuit and ground-fault protective device must be capable of carrying the motor's starting current.

True
False

NEC Reference: NEC 430.52(B)

Question 84: In an electric sign, the minimum spacing between wood or other combustible material and an incandescent or halogen lamp or lampholder is ____ inches.

1
1 1/2
2
2 1/2

NEC Reference: NEC 600.9

Question 85: True or false: an additional grounding connection must be made at a transformer supplying the service inside a building.

True
False

NEC Reference: NEC 250.24(A)(2)

Question 86: What is the minimum laundry circuit load that must be considered for each 2-wire laundry branch circuit in a dwelling unit?

1,500 Volt-Amperes
1,200 Volt-Amperes
1,000 Volt-Amperes
800 Volt-Amperes

NEC Reference: NEC 220.52(B)

Question 87: Paralleled conductors in each phase must be the same length and:

Same material, size and insulation
Different sizes
Different materials
Different insulation types

NEC Reference: NEC 310.10(G)(1)

Question 88: Per the NEC informational note, what is the recommended maximum voltage drop for a branch circuit alone (not combined with the feeder)?

NEC Reference: NEC 210.19(A) Informational Note No. 4

Question 89: A feeder in an Oregon commercial building supplies a continuous load of 28 amps and a noncontinuous load of 14 amps. Per 215.2(A)(1), what is the minimum required feeder ampacity?

42 amps
49 amps
52.5 amps
56 amps

NEC Reference: NEC 215.2(A)(1)

Question 90: A Florida commercial building has a fire pump motor controller installed. Per 695.4(B), what special consideration applies to overcurrent protection ahead of a fire pump controller compared to a standard motor?

The protective device must allow locked-rotor current to be carried indefinitely rather than tripping
Fire pump motors use the exact same overcurrent protection sizing as any other motor
Fire pumps require no overcurrent protection of any kind
Fire pump circuits must trip faster than standard motor circuits, not slower

NEC Reference: NEC 695.4(B)

Question 91: A metal box is installed in a damp basement location. What does 314.15 require regarding the box and its fittings?

No special provision is needed in damp locations
The box must be placed or equipped to prevent moisture from entering or accumulating
Only plastic boxes may be used in damp basements
The box must be filled with silicone sealant

NEC Reference: NEC 314.15

Question 92: Secondary conductors from a transformer feeding a panelboard must generally be sized based on what?

Secondary current and the 240.21(C) tap rules
Primary current only
The transformer kVA alone
The panelboard bus rating only

NEC Reference: NEC 240.21(C) / Table 310.16

Question 93: Electric space heating equipment is considered a continuous load. What percentage of the total heating load is used for branch circuit and feeder conductor sizing?

100%
125%
80%
115%

NEC Reference: NEC 424.3(B)

Question 94: A trainee believes an NEC-compliant installation is guaranteed to be low-cost and efficient. Is that accurate, per 90.1(B)?

Yes, code compliance guarantees efficiency and low cost
No, the Code only aims for an installation free from hazard, not efficiency
Yes, but only for residential work
No, the NEC makes no safety claims either

NEC Reference: NEC 90.1(B)

Question 95: For a single-family dwelling unit, what is the minimum allowable rating of 3-wire service-entrance conductors?

125 amperes
100 amperes
150 amperes
175 amperes

NEC Reference: NEC 230.42(B)

Question 96: A feeder supplies three motors with FLCs of 28A, 20A, and 12A (largest first). Per 430.24, what is the minimum feeder ampacity?

60 amps
67 amps
75 amps
80 amps

NEC Reference: NEC 430.24

Question 97: A Michigan commercial parking garage has EV charging stations. Per 625.42, how must the branch circuit account for the continuous nature of EV charging load?

The branch circuit must generally be sized at not less than 125 percent of the maximum EVSE load
EV charging load is never treated as continuous under the NEC
The branch circuit must always be sized at exactly 100 percent, no multiplier ever applies
EVSE circuits require a 200 percent multiplier in every case

NEC Reference: NEC 625.41, 625.42

Question 98: What is the required wiring method for Class I Division 1 hazardous locations?

PVC conduit
NM cable
Threaded RMC or threaded IMC
EMT

NEC Reference: NEC 501.10(A)(1)

Question 99: A Maryland contractor calculates conduit fill for three 10 AWG THHN conductors in an EMT raceway. Per Chapter 9, Table 1, what percent fill applies for three or more conductors?

31 percent
40 percent
53 percent
60 percent

NEC Reference: NEC Ch. 9, Table 1

Question 100: In addition to limiting surge voltages, a grounded electrical system serves to stabilize the voltage to earth during:

Normal operation
Overload conditions only
Motor starting only
Transformer energizing only

NEC Reference: NEC 250.4(A)(2)

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.

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Florida Journeyman Electrician Practice Test - Full-Length Test 1 (Technical Section)

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Florida Journeyman Electrician Practice Test - Full-Length Test 1 (Technical Section) — Question List

Question 1: What is the minimum headroom required in the working space for switchboards and panelboards?

Question 2: Structural steel that forms part of a building frame must be bonded to the grounding electrode system when it is likely to be energized. Per 250.104(C), this bond is sized:

Question 3: Type AC cable is NOT permitted in which locations?

Question 4: A K-12 school is using the optional method in 220.86. The first 3 VA per sq ft is taken at 100%; the remainder is taken at:

Question 5: What size copper branch-circuit conductor is required for a 4000 W, 240 V storage water heater?

Question 6: The ampacity of 25-ft feeder tap conductors must not be less than what fraction of the overcurrent device protecting the feeder?

Question 7: The maximum recommended voltage drop in a branch circuit is ____ percentage

Question 8: In a single-family dwelling unit, what is the minimum allowable rating of 3-wire service-entrance conductors?

Question 9: What is the maximum number of service disconnecting means permitted for each service?

Question 10: Plug fuses may be used in circuits not exceeding how many volts between conductors?

Question 11: The informational note in 215.2(A) recommends a feeder voltage drop limit of:

Question 12: What size copper service-entrance conductors (75°C terminals) are required for a 250 A continuous 3-phase load?

Question 13: Five 12 kW electric ranges in a multifamily dwelling. Using Table 220.55 Column C, the demand load is:

Question 14: What is the minimum working space depth in front of enclosed equipment operating at 240 volts (120 volts to ground), Condition 1?

Question 15: What is the maximum percentage of an auxiliary gutter's interior cross-sectional area that may be filled with conductors?

Question 16: Fuses installed in a service entrance disconnecting means must be what class?

Question 17: What is the minimum service disconnecting means for a one-family dwelling?

Question 18: The branch circuit supplying the pump motor for a permanently installed swimming pool must include:

Question 19: 220.87 permits the existing-installation calculation method when:

Question 20: What is the minimum size copper equipment grounding conductor for a 300-ampere circuit?

Question 21: For a permanently installed swimming pool at a house, receptacles that are located between 6 feet and 20 feet from the pool edge must have:

Question 22: An isolated ground receptacle shall be identified by : ____

Question 23: Which size branch circuit protection is required for 20A motor compressor connected to 240 Volts circuit?

Question 24: A 2-inch raceway enters a junction box and the conductors make a U-pull (enter and exit on the same wall). Per 314.28(A)(2), minimum distance between raceway entry and the opposite wall is:

Question 25: The metal enclosures used for service conductor and equipment ____

Question 26: A circuit has an overcurrent device rated 1170 A and uses three parallel sets of conductors. What is the minimum copper conductor size per set (75°C)?

Question 27: In the 200A residential panel shown, the 50A two-pole EV charger is a continuous load. Conductor and OCPD must be sized at:

Question 28: What is the maximum demand for four household electric ranges (each rated not over 12 kW), per Table 220.55 Column C?

Question 29: A 460V, 3-phase motor runs at 28 amps full load. What is the smallest conductor ampacity you can use for its branch circuit?

Question 30: On a residential electric service which of the following conductors need overcurrent protection?

Question 31: A feeder supplies a 25 HP (34 A) and a 10 HP (14 A) motor, both 460 V, 3-phase, protected by inverse-time breakers. What is the maximum feeder breaker size?

Question 32: Flexible cords must NOT be used:

Question 33: What is the maximum continuous load that can be connected to 240 volts 10 ampere branch circuit?

Question 34: When a flexible cord has 5 current-carrying conductors, what percentage of rated ampacity is allowed for each conductor?

Question 35: Full-load current of a 25 HP, 3-phase, 460V squirrel-cage motor from Table 430.250 is:

Question 36: Show window lighting in a retail store is calculated at what VA per linear foot of window?

Question 37: The dedicated electrical space above a panelboard must extend how far above the top of the equipment?

Question 38: What is the allowable ampacity of 8 AWG copper THWN in a room where the ambient temperature is 42°C?

Question 39: What is the highest current rating of plug fuses of Edison base type?

Question 40: A motor may be protected against overload, short circuit and ground fault by a single overcurrent device, if it is sized for overload protection.

Question 41: A conduit body (Type LB) is being used in a conduit run. Under what conditions can it contain a splice?

Question 42: A 4 hp 230 V single phase motor has a service factor of 1.15 and name plate current rating of 25 A. What size dual element fuse can be used to protect the motor from overloads, short circuit and ground faults?

Question 43: What is the allowable ampacity of a 10 AWG fixture wire?

Question 44: Where 10-ft tap conductors leave the enclosure or vault, their ampacity must not be less than what fraction of the overcurrent device protecting the feeder?

Question 45: How must insulated or bare busbars be mounted in panelboards and switchboards?

Question 46: What is the allowable ampacity of 6 AWG copper THW (75°C column) at the standard 30°C ambient?

Question 47: A multifamily dwelling has 12 units. Using the optional method in 220.84, what demand factor is applied to the total connected load?

Question 48: A 480V switchboard has exposed live parts on one side of the working space and grounded metal parts on the other (Condition 2). What is the minimum working clearance depth in front of the switchboard?

Question 49: Direct-buried cables that emerge from grade must be protected up to how high above the ground?

Question 50: Sealing compound in a seal fitting must have a melting point of not less than:

Question 51: When picking a motor controller, what is the minimum current it must be rated to handle?

Question 52: Branch circuit conductors must have an ampacity of at least what percentage of the continuous portion of the circuit load?

Question 53: What is the maximum operating voltage of a low voltage lighting system?

Question 54: A 20-ampere branch circuit supplies lighting units and a fastened-in-place appliance. The appliance may not exceed what percent of the branch-circuit rating?

Question 55: What is the minimum burial depth for rigid metal conduit (RMC) installed under a residential driveway?

Question 56: An 18,000 sq ft commercial property has one hundred twenty 15 A and 20 A, 120 V receptacles. What is the calculated receptacle load?

Question 57: The main service disconnect for a one-family dwelling must be rated at least how many amps?

Question 59: Constant-voltage generators, except ac generator exciters, must be protected from:

Question 60: How many current-carrying conductors may be in a raceway or cable before adjustment factors must be applied?

Question 61: EMT conduit can be used in all the locations including hazardous locations.

Question 62: What demand factor applies to the feeder load of a commercial kitchen with four pieces of electric cooking equipment?

Question 63: A panelboard equipped with snap switches rated 30 amperes or less must have overcurrent protection rated not more than:

Question 64: What is the adjusted ampacity of 3/0 copper THWN in a wet location at 108°F (42°C), with four current-carrying 3/0 THWN conductors in the raceway?

Question 65: What is the required size of a neutral conductor for a dwelling unit with a calculated load of 220 A. The unbalanced load is 120 A and service disconnect rating is 250A.

Question 66: What is the maximum size fuse allowed to protect 12 AWG THW copper branch conductor?

Question 67: Snap switches in the same enclosure must not have more than how many volts between adjacent devices, unless barriers are installed?

Question 68: What ampere rating is required for the branch circuit that supplies dwelling unit bathroom receptacle outlets?

Question 69: A single-phase motor has a full-load current of 30 A. What is the maximum dual-element fuse size for branch-circuit short-circuit protection?

Question 70: Two overcurrent devices cannot be connected in parallel (both in the same circuit) unless: