JOURNEYMAN NEC 2023 FULL-LENGTH PRO

Georgia Electrical Contractor Practice Test - Full-Length Test 1

A full-length, 77-question practice exam covering all 8 core NEC topic areas, weighted the same way the real exam is. Modeled on Georgia's real licensing exam format. Premium — part of Full-Length Pro.

See Georgia electrician licensing requirements, fees & exam format

TOPICS COVERED

Equipment Ratings NEC Practice Tests NEC Questions Welders Health Care

How this test works

Read each question carefully

Look for absolute words like always / never — they often distinguish the right answer.

Manage your time

You have 240 min for 77 questions. Skip tough ones and come back.

Progress is auto-saved

Your answers are saved locally — a page refresh won't lose your work.

Review your answers

After submitting you'll see every explanation and your NEC references.

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 2023 NEC. Check your state licensing board to confirm which edition your state has adopted.

How to Use This Practice Test

This Georgia Electrical Contractor Practice Test - Full-Length Test 1 has 77 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: 77 multiple-choice, one correct answer each

FULL-LENGTH PRO EXAM

Questions

240 min

Time

70%

Pass

Timer starts immediately. Progress is auto-saved.

About This Exam

Sized and paced to match a real state licensing exam (Georgia). Finish it to get a free category-by-category score report.

Go Pro

Up to 15 Georgia exam variants
Detailed topic report every time
Personalized study guides & Study Coach

One-time payment — $19.00, lifetime access

See Pro Plans

Georgia Electrical Contractor Practice Test - Full-Length Test 1 — Question List

Question 1: Electrical equipment installed in a chemical storage room where the atmosphere could corrode metal parts must be:

Standard equipment — corrosion is a maintenance issue, not a code issue
Equipment approved or listed for use in the specific corrosive environment
Equipment rated NEMA 1 with a painted finish
No restriction — any equipment in a metal enclosure is acceptable

NEC Reference: NEC 110.11

Question 2: What is the maximum demand for eight wall-mounted ovens, house hold electric ranges and other house hold cooking appliances rated at over 1 — KW each?

17 KW
23 KW
28 KW
32 KW

NEC Reference: NEC 220.55

Question 3: What is the maximum over current device rating required for an auto transformer that has a full load current of 50 amperes?

75 amperes
50 amperes
80 amperes
65 amperes

NEC Reference: NEC 450.4(A)

Question 4: A 400 breaker protects a set of 450 kcmil feeder conductors. A feeder fed from 450 kcmil feeder that supply disconnects with 25 A over current device. What is the minimum size conductor for these tap?

8 AWG
6 AWG
4 AWG
16 AWG

NEC Reference: NEC 310.15(B)(16)

Question 5: Which of the following each unit must always required a 20 ampere laundry circuit?

industrial wash room
Dwelling unit
Commercial utility room
Motel unit

NEC Reference: NEC 210.52(F)

Question 6: If the conduit is placed in hazardous locations , it must be made .................... to prevent sparking when fault current flow through it.

wrentch tight
sealed
bonded
rugged plastic

NEC Reference: NEC 500.8(E)

Question 7: The 400 volts over head conductors that passes over public street must have a clearance of ..........

15 feet
10 feet
24 feet
18 feet

NEC Reference: NEC 230.24(B)(4)

Question 8: A 30 kVA arc welder rated for nonautomatic duty cycle 60% has a primary current of 50A. Per 630.11(A), branch-circuit conductor ampacity is calculated using the multiplier:

0.55
0.78
1.00
1.25

NEC Reference: NEC Table 630.11(A)

Question 9: A 2400 volts motor disconnecting means must be capable of being locked in the .....................

closed position
Open position
ON position
Both open and close position

NEC Reference: NEC 430.227

Question 10: The life safety branch of a hospital emergency system must automatically transfer to backup power within how many seconds of a normal power outage?

5 seconds
10 seconds
30 seconds
60 seconds

NEC Reference: NEC 517.31

Question 11: Which of the following locations type NM cable can be permitted to use?

As a service entrance cable
In storage battery rooms
In elevators or escalators
one and two family dwelling units

NEC Reference: NEC 334.12

Question 12: The GEC connecting to a concrete-encased electrode must be at least what size copper conductor?

8 AWG copper
6 AWG copper
4 AWG copper
2 AWG copper

NEC Reference: NEC 250.66(B)

Question 13: The motor nameplate shown has the following data: 460V, 3-phase, 25HP, FLA = 34A, SF = 1.0. What is the minimum conductor ampacity for the branch circuit feeding this motor?

34A — use the nameplate FLA directly
39A × 115% of FLA
42.5A × 125% of FLA
51A × 150% of FLA

NEC Reference: NEC 430.22

Question 14: If a 20 ampere AC snap switch is used to disconnect a 1.5 HP motor what must be the maximum full load current of a motor?

16 amperes
20 amperes
15 amperes
17 amperes

NEC Reference: NEC 430.109(C)(2)

Question 15: Intrinsically safe conductors are identified by ..............

red
black
blue
brown

NEC Reference: NEC 504.80(C)

Question 16: In a metal wire ways the distance between supports shall not exceed ..... feet.

NEC Reference: NEC 376.30

Question 17: When calculating the service or feeder load for motors in a commercial building, how is the largest motor treated compared to the others?

All motor loads are added at 100% of FLA
The largest motor is at 125% FLA; all others at 100%
All motors are totaled and then a 75% demand factor is applied
Motors are not included in the service load calculation

NEC Reference: NEC 220.50

Question 18: If the branch circuit rating is more than ............. , the lamp holders connected to it should be of the heavy duty type.

20 amperes
25 amperes
40 amperes
45 amperes

NEC Reference: NEC 210.21(A)

Question 19: Per 220.14(K), receptacle outlets in an office or bank are calculated at how many VA per receptacle outlet when the total is 10 outlets or fewer?

100 VA per outlet
150 VA per outlet
180 VA per outlet
250 VA per outlet

NEC Reference: NEC 220.14(K)

Question 20: The overload protection must be provided for the motor if it is rated more than ......... hp

NEC Reference: NEC 430.32(A)

Question 21: The following lamp holder is approved to be installed in either a damp or wet location?

One listed for use in wet location
One listed to use in damp location
One listed to use in dry location
All options are correct

NEC Reference: NEC 410.96

Question 22: Per 220.87, an existing service can be evaluated using 125% of the highest measured demand from the previous 12 months of metered data, plus the new load being added. When is this method most useful?

When installing a new service from scratch
When adding a new load to an existing service and actual demand data shows available capacity
Only for commercial buildings, not residences
When the utility requires a demand study

NEC Reference: NEC 220.87

Question 23: The equipotential bonding grid for a permanently installed swimming pool, per 680.26(B), uses a solid copper conductor of size:

Not smaller than 8 AWG solid copper
14 AWG stranded copper
12 AWG aluminum
Any size as long as bare

NEC Reference: NEC 680.26(B)

Question 24: What is the unit load per square foot in volt ampere for a restaurant?

2 VA
1 VA
3 VA
1 1/2 VA

NEC Reference: NEC 220.12

Question 25: EMT (electrical metallic tubing) must be supported at maximum intervals of how many feet, and within how many feet of every box or fitting?

Every 6 feet, within 12 inches of boxes
Every 10 feet, within 3 feet of boxes
Every 10 feet, within 12 inches of boxes
Every 12 feet, within 3 feet of boxes

NEC Reference: NEC 358.30(A)

Question 26: For a residence having a single branch circuit with a limited load what is the minimum size of service is required?

10 amperes
15 amperes
20 amperes
25 amperes

NEC Reference: NEC 230.79

Question 27: All conductors of a circuit must be installed in the same raceway to ...............................

minimize induction heating
reduce fault current
Easy maintenance

NEC Reference: NEC 250.4(A)(3)

Question 28: When doing a box fill calculation, how many cubic inches does one 12 AWG conductor count for?

2.00 cu in
2.25 cu in
2.50 cu in
3.00 cu in

NEC Reference: NEC Table 314.16(B)

Question 29: What is calculated demand load for a 15 unit apartment with each apartment has a 900 sq ft area?

39750 VA
108000 VA
7200 VA

NEC Reference: NEC 220.42

Question 30: How many number of receptacle outlets are permitted on a commercial building circuit which is having a computed lighting load of 3400 VA?

NEC Reference: NEC 220.14(G)

Question 31: Multi-wire branch circuits shall supply only line to neutral loads.

True
False

NEC Reference: NEC 210.4

Question 32: Which of the following is the minimum clear workspace that shall be provided to electrical equipment rated at 601 volts that has exposed live parts on its both sides?

3 feet
4 feet
5 feet
6 feet

NEC Reference: NEC 110.34

Question 33: What is the demand factor in percentage for a non-dwelling unit with a receptacle load of 15 kVA?

NEC Reference: NEC 220.44

Question 34: The rating of feeder tap over current terminating device is 40 Amperes. Which of the following ampacity feeder tap can be used if the conductor length is less than 10 feet.?

38 Amperes
39 Amperes
41 Amperes
35 Amperes

NEC Reference: NEC 240.21

Question 35: What must be provided for all working spaces above service equipment, switchboards and panel boards?

Illumination
Enclosures or guards
A protective rod
A water line

NEC Reference: NEC 110.26(D)

Question 36: An industrial machine nameplate says: 240V, 3-phase, supply current = 60A. What is the minimum conductor ampacity for the supply circuit to this machine?

60A — match the nameplate supply current
69A × 115% of supply current
75A × 125% of supply current
80A — next standard size above 60A

NEC Reference: NEC 670.4(B)

Question 37: What is the total branch circuit load — calculated for general illumination for a 3000 square feet dwelling house?

5000 Volt-Amperes
9000 Volt-Amperes
3000 Volt-Amperes
7000 Volt-Amperes

NEC Reference: NEC 220.12

Question 38: The diagram shows an EMT run along a wall. Supports are placed at 8-foot intervals along most of the run, but there is one 12-foot unsupported span near a 90-degree bend. Is this installation acceptable?

Yes — EMT near a bend can have a longer unsupported span
No — 12 feet exceeds the 10-foot maximum support interval
Yes — the bend acts as a natural support point
No — EMT can only be supported every 8 feet maximum

NEC Reference: NEC 358.30(A)

Question 39: A 2400 watts electric motor is connected to 240 volts single phase supply 2 wire circuit. What is the minimum size TW conductor that is required to carry the load?

14 AWG
12 AWG
10 AWG
8 AWG

NEC Reference: NEC 424.3(B)

Question 40: Type MC cable must be secured at intervals not exceeding how many feet, and within how many inches of every box or termination?

Every 4 — feet, within 12 inches of boxes
Every 6 feet, within 12 inches of boxes
Every 6 feet, within 3 feet of boxes
Every 10 feet, within 3 feet of boxes

NEC Reference: NEC 330.30(A)

Question 41: Under which of the following condition the on-site generator is not considered as separately derived system?

When the generator does not have neutral conductor
When the generator is placed near the feeder service conductor panel board
Generator having transfer witch that switches the neutral conductor also
When generator neutral conductor is solidly interconnected service supply system neutral conductor

NEC Reference: NEC 250.30

Question 42: How many No 10 AWG conductors can be sliced in 11 cu in conduit body?

NEC Reference: NEC 314.16(B)

Question 43: The grounded conductor ampacity of a delta connected 3-phase 3-wire system must be less the rating of ..................................

ungrounded conductor
secondary conductor
neutral conductor

NEC Reference: NEC 250.24(c)(3)

Question 44: Portable stage cables and cords used in theaters must be rated for what type of service?

Light-duty service — stage use is low voltage
Hard usage or extra-hard usage (listed stage cable)
Any flexible cord rated for the voltage
Type NM cable pulled through the stage floor

NEC Reference: NEC 520.68(A)

Question 45: what is the smallest copper wire size that can be used for service entrance conductors?

8 AWG
6 AWG
10 AWG
12 AWG

NEC Reference: NEC 230.31(B)

Question 46: A 75 kVA, 480V — 208Y/120V transformer is protected on the primary only. Primary FLC is approximately 90A. Maximum primary OCPD is:

100A
110A
125A
150A

NEC Reference: NEC 450.3(B) / 240.6

Question 47: The grounding diagram shows a 200A service. The GEC runs from the service panel to a concrete-encased electrode (rebar) and also connects to the metal water pipe inside the building. A bonding jumper ties the water pipe to the service equipment. Which part of this system is the main bonding jumper?

The GEC running from the panel to the rebar in the footing
The connection inside the service panel that ties the neutral bus to the metal enclosure
The bonding jumper from the water pipe to the panel
The ground rod itself at the point of burial

NEC Reference: NEC 250.28

Question 48: Which of the following is covered by Article 670 (Industrial Machinery)?

A residential HVAC unit
A CNC machining center with multiple motors on a single frame
A 200A commercial panel
A crane in a warehouse

NEC Reference: NEC Article 670

Question 49: Ten 10 AWG THWN conductors (all current-carrying) are run in a conduit in a machine room where the ambient temperature is 45°C. Applying both the temperature correction (0.82 for 45°C at 75°C insulation) and the bundling factor (50% for 10 conductors), what is the adjusted ampacity of each conductor?

14A — 35A × 0.82 — 0.50
18A — 35A × 0.50 (bundling only, ignoring temperature)
22A — 35A × 0.82 (temperature only, ignoring bundling)
29A — 35A × 0.82 (no bundling needed for 10 AWG)

NEC Reference: NEC Tables 310.15(B)(1) and 310.15(C)(1)

Question 50: A grounding electrode conductor (GEC) run to the grounding electrode system is normally required to be one continuous conductor without splices. Under what condition is a splice permitted?

Using a standard listed wire connector (wire nut)
Using an irreversible compression connector or exothermic welding
Any time the splice is inside a listed junction box
GEC splices are never permitted under any conditions

NEC Reference: NEC 250.64(C)

Question 51: Per 690.12, rapid shutdown of a roof-mounted PV array on a one-family dwelling must reduce voltages outside the array boundary to:

30V or less within 30 seconds
50V or less within 60 seconds
0V immediately
120V or less within 5 seconds

NEC Reference: NEC 690.12

Question 52: A 6 AWG THHN conductor is good for use for how many KW of load at 120 volts?

7.8
7800
780
78

NEC Reference: NEC 310.15(B)(16)

Question 53: In a panel board a two-pole circuit breaker is considered to be ...................

A single over current device
Two Over current devices
Four over current devices

NEC Reference: NEC 408.54

Question 54: What is minimum ampere rating of a heavy duty lighting track?

NEC Reference: NEC 410.153

Question 55: A dual-element (time-delay) fuse has two separate fusible elements. What advantage does this give it over a standard one-time fuse?

It can be reset after it blows without replacing it
It handles temporary motor inrush without blowing while still protecting against short circuits
It is rated for twice the interrupting capacity of a one-time fuse
It uses aluminum elements for greater conductivity

NEC Reference: NEC 430.52, UL 248

Question 56: Which of the following circuits shall not be connected to system containing trolley wires?

Circuits for lightening
Grounding wires
Ungrounded trolley wires
Bonding wires

NEC Reference: NEC 110.19

Question 57: Per 220.84, what demand factor can be used when calculating the feeder or service for five apartment units in a multifamily building?

100% — no demand factor applies to apartment buildings
Approximately 45% per Table 220.84 for 5 units
25% — same as the large building demand factor
75% — fixed appliance demand factor

NEC Reference: NEC 220.84, Table 220.84

Question 58: If a service is fed by three parallel sets of 400 kcmil conductors, what is the required conductor size for GEC?

3/0 AWG
2/0 AWG
2 AWG
4 AWG

NEC Reference: NEC 250.166

Question 59: Which of the following is the allowed full load current (FLC) of a 5 HP, 230 volts single phase AC motor?

28 Amperes
40 amperes
44 amperes
32 amperes

NEC Reference: NEC 430.248

Question 60: The supply-side bonding jumper connects what two points in a service or separately derived system?

The grounding electrode to the main panel enclosure
Metal enclosures and raceways on the supply side to the grounded service conductor
The neutral bus in the panel to the ground rods
The main breaker to the service panel enclosure

NEC Reference: NEC 250.102(A), (C)

Question 61: The dust breaker shall not be installed on .........................

Panel Boards
Junction boxes
Enclosures
Boxes

NEC Reference: NEC 408.36(C)

Question 62: Branch circuit conductors feeding equipment with 60°C rated terminations must be sized using which column from Table 310.16, regardless of the conductor insulation temperature rating?

The 90°C column — THHN wire is 90°C rated
The 75°C column — THWN is more commonly used
The 60°C column — the terminal rating limits you to 60°C ampacity
Either the 60°C or 75°C column, whichever gives a smaller wire

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

Question 63: In the dwelling service-entrance diagram, the grounded service conductor is bonded to the equipment grounding system at:

The service equipment only (main bonding jumper)
Every subpanel in the dwelling
The meter base only
No bonding is required

NEC Reference: NEC 250.24(B)

Question 64: When multi conductor cables are used as overhead service conductors, they must be attached to building or other structures by ............................

Tie wires
Safe enclosures
fittings approved for the purpose
proper long nails

NEC Reference: NEC 230.27

Question 65: According to NEC, locknuts, bushings and internal cable clamps are not counted for box fill calculations.

True
False

NEC Reference: NEC 314.16(B)

Question 66: The Rod and pipe electrodes must installed in such a way that at lest ................ length is in contact with earth soil.

6 ft
8 ft
9 ft
10 ft

NEC Reference: NEC 250.53(G)

Question 67: one 6 AWG THHN conductor is good for how many KW at 240 volts?

15.6 KW
7.8 KW
12.5 KW
6.5 KW

NEC Reference: NEC 310.15(B)(16)

Question 68: A dwelling has both a 5-ton central A/C unit and 10 kW of electric baseboard heat. When sizing the service, how do you handle these two loads?

Add both loads together — they could both run at the same time
Use only the larger of the two loads
Use 50% of each load and add them
Use only the A/C load and ignore the heat

NEC Reference: NEC 220.60

Question 69: PVC conduit shall be permitted to use in underground wiring where it is buried under not less than ........... of cover

2 ft
3 ft
1 ft
4 ft

NEC Reference: NEC 515.8

Question 70: The three phase motor should have overload protection device in each phase.

True
False

NEC Reference: NEC 430.37

Question 71: A 5 HP single phase motor is connected to a 240 volts power supply. What is the minimum size branch circuit conductors required for this motor?

No 8 THWN
No 6 THWN
No 4 THWN
No 10 THWN

NEC Reference: NEC 430.248

Question 72: Which of the following conductors need over current protection on a residential electric service?

un-grounded conductor
grounded conductor
neutral conductor
equipment grounding conductor

NEC Reference: NEC 240.15

Question 73: The maximum recommended voltage drop in feeder circuit is ................................ percentage

NEC Reference: NEC 215.2(A)

Question 74: The "Next up size" protection rule is not applicable when sizing over current protection device of transformer secondary conductors.

True
False

NEC Reference: NEC 240.4(B)

Question 75: To protect a 12 AWG conductor what must the electrical fuse size?

20 amperes
15 amperes
25 amperes
30 amperes

NEC Reference: NEC 240.4(B)

Question 76: When eight 16A current carrying conductors are grouped in to a flexible cord. What is the allowable ampacity of each conductor?

11.2 amperes
16 amperes
12.8 amperes
14.4

NEC Reference: NEC 400.5(A)(3)

Question 77: Five 12 AWG THWN conductors (all current-carrying) are in the same conduit. What bundling adjustment factor applies, and what is the adjusted ampacity of each conductor?

70% factor — 25A × 0.70 = 17.5A
80% factor — 25A × 0.80 = 20A
90% factor — 25A × 0.90 = 22.5A
No derating — five conductors is under the threshold

NEC Reference: NEC Table 310.15(C)(1)

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.

WHY GO PRO

Every Georgia Variant. One Real Result.

You just practiced on one full-length, Georgia-style exam built to mirror the real licensing test — timing, weighting, and difficulty included.

Up to 15 Georgia ExamsEvery test variant, one purchase

Detailed ReportsEvery attempt, topic-by-topic

Study CoachA personalized plan that adapts to you

One-time payment — $19.00, lifetime access to Georgia

Unlock Pro

Georgia Electrical Contractor Practice Test - Full-Length Test 1

How this test works

Frequently Asked Questions

Is this Georgia Electrical Contractor Practice Test - Full-Length Test 1 free?

How many questions are on the Journeyman Electrician exam?

What score do you need to pass the Journeyman exam?

What NEC edition is this test based on?

How to Use This Practice Test

Georgia Electrical Contractor Practice Test - Full-Length Test 1 — Question List

Question 1: Electrical equipment installed in a chemical storage room where the atmosphere could corrode metal parts must be:

Question 2: What is the maximum demand for eight wall-mounted ovens, house hold electric ranges and other house hold cooking appliances rated at over 1 — KW each?

Question 3: What is the maximum over current device rating required for an auto transformer that has a full load current of 50 amperes?

Question 4: A 400 breaker protects a set of 450 kcmil feeder conductors. A feeder fed from 450 kcmil feeder that supply disconnects with 25 A over current device. What is the minimum size conductor for these tap?

Question 5: Which of the following each unit must always required a 20 ampere laundry circuit?

Question 6: If the conduit is placed in hazardous locations , it must be made .................... to prevent sparking when fault current flow through it.

Question 7: The 400 volts over head conductors that passes over public street must have a clearance of ..........

Question 8: A 30 kVA arc welder rated for nonautomatic duty cycle 60% has a primary current of 50A. Per 630.11(A), branch-circuit conductor ampacity is calculated using the multiplier:

Question 9: A 2400 volts motor disconnecting means must be capable of being locked in the .....................

Question 10: The life safety branch of a hospital emergency system must automatically transfer to backup power within how many seconds of a normal power outage?

Question 11: Which of the following locations type NM cable can be permitted to use?

Question 12: The GEC connecting to a concrete-encased electrode must be at least what size copper conductor?

Question 13: The motor nameplate shown has the following data: 460V, 3-phase, 25HP, FLA = 34A, SF = 1.0. What is the minimum conductor ampacity for the branch circuit feeding this motor?

Question 14: If a 20 ampere AC snap switch is used to disconnect a 1.5 HP motor what must be the maximum full load current of a motor?

Question 15: Intrinsically safe conductors are identified by ..............

Question 16: In a metal wire ways the distance between supports shall not exceed ..... feet.

Question 17: When calculating the service or feeder load for motors in a commercial building, how is the largest motor treated compared to the others?

Question 18: If the branch circuit rating is more than ............. , the lamp holders connected to it should be of the heavy duty type.

Question 19: Per 220.14(K), receptacle outlets in an office or bank are calculated at how many VA per receptacle outlet when the total is 10 outlets or fewer?

Question 20: The overload protection must be provided for the motor if it is rated more than ......... hp

Question 21: The following lamp holder is approved to be installed in either a damp or wet location?

Question 22: Per 220.87, an existing service can be evaluated using 125% of the highest measured demand from the previous 12 months of metered data, plus the new load being added. When is this method most useful?

Question 23: The equipotential bonding grid for a permanently installed swimming pool, per 680.26(B), uses a solid copper conductor of size:

Question 24: What is the unit load per square foot in volt ampere for a restaurant?

Question 25: EMT (electrical metallic tubing) must be supported at maximum intervals of how many feet, and within how many feet of every box or fitting?

Question 26: For a residence having a single branch circuit with a limited load what is the minimum size of service is required?

Question 27: All conductors of a circuit must be installed in the same raceway to ...............................

Question 28: When doing a box fill calculation, how many cubic inches does one 12 AWG conductor count for?

Question 29: What is calculated demand load for a 15 unit apartment with each apartment has a 900 sq ft area?

Question 30: How many number of receptacle outlets are permitted on a commercial building circuit which is having a computed lighting load of 3400 VA?

Question 31: Multi-wire branch circuits shall supply only line to neutral loads.

Question 32: Which of the following is the minimum clear workspace that shall be provided to electrical equipment rated at 601 volts that has exposed live parts on its both sides?

Question 33: What is the demand factor in percentage for a non-dwelling unit with a receptacle load of 15 kVA?

Question 34: The rating of feeder tap over current terminating device is 40 Amperes. Which of the following ampacity feeder tap can be used if the conductor length is less than 10 feet.?

Question 35: What must be provided for all working spaces above service equipment, switchboards and panel boards?

Question 36: An industrial machine nameplate says: 240V, 3-phase, supply current = 60A. What is the minimum conductor ampacity for the supply circuit to this machine?

Question 37: What is the total branch circuit load — calculated for general illumination for a 3000 square feet dwelling house?

Question 38: The diagram shows an EMT run along a wall. Supports are placed at 8-foot intervals along most of the run, but there is one 12-foot unsupported span near a 90-degree bend. Is this installation acceptable?

Question 39: A 2400 watts electric motor is connected to 240 volts single phase supply 2 wire circuit. What is the minimum size TW conductor that is required to carry the load?

Question 40: Type MC cable must be secured at intervals not exceeding how many feet, and within how many inches of every box or termination?

Question 41: Under which of the following condition the on-site generator is not considered as separately derived system?

Question 42: How many No 10 AWG conductors can be sliced in 11 cu in conduit body?

Question 43: The grounded conductor ampacity of a delta connected 3-phase 3-wire system must be less the rating of ..................................

Question 44: Portable stage cables and cords used in theaters must be rated for what type of service?

Question 45: what is the smallest copper wire size that can be used for service entrance conductors?

Question 46: A 75 kVA, 480V — 208Y/120V transformer is protected on the primary only. Primary FLC is approximately 90A. Maximum primary OCPD is:

Question 48: Which of the following is covered by Article 670 (Industrial Machinery)?

Question 50: A grounding electrode conductor (GEC) run to the grounding electrode system is normally required to be one continuous conductor without splices. Under what condition is a splice permitted?

Question 51: Per 690.12, rapid shutdown of a roof-mounted PV array on a one-family dwelling must reduce voltages outside the array boundary to:

Question 52: A 6 AWG THHN conductor is good for use for how many KW of load at 120 volts?

Question 53: In a panel board a two-pole circuit breaker is considered to be ...................

Question 54: What is minimum ampere rating of a heavy duty lighting track?

Question 55: A dual-element (time-delay) fuse has two separate fusible elements. What advantage does this give it over a standard one-time fuse?

Question 56: Which of the following circuits shall not be connected to system containing trolley wires?

Question 57: Per 220.84, what demand factor can be used when calculating the feeder or service for five apartment units in a multifamily building?

Question 58: If a service is fed by three parallel sets of 400 kcmil conductors, what is the required conductor size for GEC?

Question 59: Which of the following is the allowed full load current (FLC) of a 5 HP, 230 volts single phase AC motor?

Question 60: The supply-side bonding jumper connects what two points in a service or separately derived system?

Question 61: The dust breaker shall not be installed on .........................

Question 62: Branch circuit conductors feeding equipment with 60°C rated terminations must be sized using which column from Table 310.16, regardless of the conductor insulation temperature rating?

Question 63: In the dwelling service-entrance diagram, the grounded service conductor is bonded to the equipment grounding system at:

Question 64: When multi conductor cables are used as overhead service conductors, they must be attached to building or other structures by ............................

Question 65: According to NEC, locknuts, bushings and internal cable clamps are not counted for box fill calculations.

Question 66: The Rod and pipe electrodes must installed in such a way that at lest ................ length is in contact with earth soil.

Question 67: one 6 AWG THHN conductor is good for how many KW at 240 volts?

Question 68: A dwelling has both a 5-ton central A/C unit and 10 kW of electric baseboard heat. When sizing the service, how do you handle these two loads?

Question 69: PVC conduit shall be permitted to use in underground wiring where it is buried under not less than ........... of cover

Question 70: The three phase motor should have overload protection device in each phase.

Question 71: A 5 HP single phase motor is connected to a 240 volts power supply. What is the minimum size branch circuit conductors required for this motor?

Question 72: Which of the following conductors need over current protection on a residential electric service?

Question 73: The maximum recommended voltage drop in feeder circuit is ................................ percentage