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Electrician's Licensing Exam, Exams of Electrical Engineering

Electrician's Licensing Exam | Electrician's Licensing Exam

Typology: Exams

2024/2025

Available from 07/06/2025

DrShirley
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Electrician's Licensing Exam
NEC Article ______ defines breakers and fuses. -
According to NEC Article 100, a device that opens and closes a circuit by nonautomatic โ˜‘๏ธ๎˜‚
means automatically closes for a predetermined overcurrent.
Annex _____ of NEC covers conduit fill. -
Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill.โ˜‘๏ธ๎˜‚
NEMA stands for National Electrical Manufacturers Association -
True - NEMA is the acronym for National Electrical Manufacturers Association.โ˜‘๏ธ๎˜‚
Which NEC tables(s) cover(s) the fill of metal boxes? -
The fill of metal boxes appears in NEC Tables 314.6 A and B.โ˜‘๏ธ๎˜‚
What NEC table would you go to to find trade size of conduit and raceway size? -
Chapter 9, Table 4 outlines trade size of conduit as well as raceway size.โ˜‘๏ธ๎˜‚
The smaller kitchen counter requiring a receptacle is _____ inches. -
A 12in. counter requires a receptacle because it holds small appliances.โ˜‘๏ธ๎˜‚
A 12-foot hallway requires one receptacle to meet code. (True or False) -
True, One is required, Two are suggested.โ˜‘๏ธ๎˜‚
NEC Article 100 is dedicated to? -
Definitionsโ˜‘๏ธ๎˜‚
NEC section 250.28A provides information on what material can be used for a main bonding
jumper. (True or False) -
Trueโ˜‘๏ธ๎˜‚
A bonding screw is what color? -
A bonding screw is green.โ˜‘๏ธ๎˜‚
A subpanel requires a main bonding screw? (True or False) -
False, A main bonding screw is unneeded in a subpanel.โ˜‘๏ธ๎˜‚
NEC Table _____ covers grounding electrode conductor sizing. -
NEC Table 250.66โ˜‘๏ธ๎˜‚
Define a grounding system according to NEC. -
A gounding system is connected to the ground or to a conductive body that extends the โ˜‘๏ธ๎˜‚
ground connection.
What is the topic of NEC Section 250.122? -
Is dedicated to the sizes of the equipment grounding conductorโ˜‘๏ธ๎˜‚
What is the NEC definition of a circuit breaker? -
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Electrician's Licensing Exam

NEC Article ______ defines breakers and fuses. - โ˜‘๏ธ According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - โ˜‘๏ธ Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - โ˜‘๏ธ True - NEMA is the acronym for National Electrical Manufacturers Association. Which NEC tables(s) cover(s) the fill of metal boxes? - โ˜‘๏ธ The fill of metal boxes appears in NEC Tables 314.6 A and B. What NEC table would you go to to find trade size of conduit and raceway size? - โ˜‘๏ธ Chapter 9, Table 4 outlines trade size of conduit as well as raceway size. The smaller kitchen counter requiring a receptacle is _____ inches. - โ˜‘๏ธ A 12in. counter requires a receptacle because it holds small appliances. A 12-foot hallway requires one receptacle to meet code. (True or False) - โ˜‘๏ธ True, One is required, Two are suggested. NEC Article 100 is dedicated to? - โ˜‘๏ธ Definitions NEC section 250.28A provides information on what material can be used for a main bonding jumper. (True or False) - โ˜‘๏ธ True A bonding screw is what color? - โ˜‘๏ธ A bonding screw is green. A subpanel requires a main bonding screw? (True or False) - โ˜‘๏ธ False, A main bonding screw is unneeded in a subpanel. NEC Table _____ covers grounding electrode conductor sizing. - โ˜‘๏ธ NEC Table 250. Define a grounding system according to NEC. - โ˜‘๏ธ A gounding system is connected to the ground or to a conductive body that extends the ground connection. What is the topic of NEC Section 250.122? - โ˜‘๏ธ Is dedicated to the sizes of the equipment grounding conductor What is the NEC definition of a circuit breaker? -

โ˜‘๏ธ A device designed to trip when an overcurrent is detected. What is the subject of NEC Section 250-2D? - โ˜‘๏ธ Bonding jumpers ______ is the subject of NEC Section 680.20. - โ˜‘๏ธ Electrical installations at permanently installed pools. Which NEC Section covers types of equipment grounding conductors. - โ˜‘๏ธ NEC Section 250. Which NEC sections covers identification of equipment grounding conductors? - โ˜‘๏ธ NEC Section 250. Which NEC Section covers ground terminal identification on wiring devices? - โ˜‘๏ธ NEC Section 250. True or False. The definition of bonded is: the connection between the grounded circuit conductor and the equipment grounding conductor, or the supply side bonding jumper, or both, at the service. - โ˜‘๏ธ False. Article 100 NEC Section 250.142 provides information on what topic? - โ˜‘๏ธ Use of Grounded circuit conductor for grounding equipment. NEC Section Table 300.5 states that the minimum cover required for a direct burial cable is _______ inches - โ˜‘๏ธ 24 inches. Which NEC article covers cable trays? - โ˜‘๏ธ NEC Article 392 Threaded pipe can be used for bonding purposes? (True or False) - โ˜‘๏ธ True (NEC 250.92B) Shoulder fittings with locknuts are allowable as bonding devices? (True or False) - โ˜‘๏ธ True (NEC 250.92B) What kind of information does NEC Section 250.66 cover? - โ˜‘๏ธ Covers the sizes of alternating current grounding electrode conductors. Which NEC article covers service drops? - โ˜‘๏ธ NEC Article 230 According to NEC, trees are approved to support service conductors. (True or False) - โ˜‘๏ธ False, NEC does not allow vegetation to support service conductors. Above sidewalks accessible by pedestrians, a service drop not over 600V must be at least _____ft. high. - โ˜‘๏ธ 10ft.

What size grounding electrode conductor is needed for to connect to a concrete encased electrode? - โ˜‘๏ธ 4 awg. 250.66(B) A grounding conductor is what color? - โ˜‘๏ธ A grounding conductor is green. What color triangle on the face of the receptacle is used to identify an isolated ground receptacle? - โ˜‘๏ธ orange. 406.(3)(D) according to 250.8, is exothermic welding a permitted method of connecting grounding electrode conductors? - โ˜‘๏ธ yes. 250.8(A)(4) Why do electric ranges require a 4 wire feeder? - โ˜‘๏ธ To separate neutral and grounding at the appliance. What is the proper way to test conduit for proper grounding? - โ˜‘๏ธ To test conduit for proper grounding, check ohms or use 120V receptacle to check for proper connection. NEC Article _____ addresses bonding requirements in healthcare facilities. - โ˜‘๏ธ NEC Article 517 A(n) _____ circuit is designed and created for one load. - โ˜‘๏ธ Dedicated NEC 90.1(A) states that the purpose of NEC is the "practical safeguarding of _____ from hazards arising from the use of electricity". - โ˜‘๏ธ people and property What is proper phase arrangement when wiring a three-phase panelboard? - โ˜‘๏ธ Per NEC 450.3, phases must arrange in a particular order: A, B, C, from left to right or from top to bottom as seen from the front. Which NEC guidelines guarantee the best workmanship and safest installations possible. - โ˜‘๏ธ NEC 90.1(C) When NEC Article 100 describes "Feeder" as. - โ˜‘๏ธ "All circuit conductors between the service equipment, the source of a separately derived system, or other power source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device," The NEC defines ampacity as, - โ˜‘๏ธ "the current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating" Disconnects and switches used with appliances must indicate, on their switches, the on- and off- positions. (True or False) - โ˜‘๏ธ True, Per NEC 422.

In a three-phase delta system, the leg with the highest voltage must be _____. - โ˜‘๏ธ Identified as the "B" leg The calculations for protecting motor circuits are the same as those for non motor circuits. (True or False) - โ˜‘๏ธ False, Protecting a motor and a non-motor circuit are two very different things In NEC terms, what does the phrase in sight mean? - โ˜‘๏ธ Visible and within 50 ft. What NFPA number is the NEC? - โ˜‘๏ธ NFPA 70 A ground ring encircling a building or structure, in direct with the earth consisting of at least _____ft. of bare copper not smaller than _____ AWG, shall be permitted as an electrode. - โ˜‘๏ธ 20ft. of bare copper not smaller than 2 AWG Where a main bonding jumper or a system bonding jumper is a screw only, the screw shall be identified with a _____ finish that shall be visible with the screw installed. - โ˜‘๏ธ Green finish NEC requires a panelboard circuit directory. (True or False) - โ˜‘๏ธ True. A circuit has a source of 10V and a resistance of 2ohms. What is the current flow? - โ˜‘๏ธ Using ohms law, the current value would be 10V/2ohms or 5 amperes. What is the greatest advantage of AC over DC? - โ˜‘๏ธ The ability of AC to be transformed. Which of the following is not a conductor? Gold, Silver, Copper, rubber - โ˜‘๏ธ Rubber is an insulator Current is measured in _____. - โ˜‘๏ธ amperes, named after the French scientist, Andre Marie Ampere What is the constant in a series circuit? - โ˜‘๏ธ Amps are constant throughout a series circuit. A transformer has a voltage ratio of 8:1 and an input of 120V. What is the output Voltage? - โ˜‘๏ธ 15v 120V/ What is the largest American Wire Gauge size? - โ˜‘๏ธ 4/0 AWG The major cause of death from electrical shock is _____. - โ˜‘๏ธ Heart fibrillation is the major cause of death from electrical shock. The shock disrupts the normal electrical brain to heart signals. As the diameter of wire increases, resistance to flow increases. (True or False) -

All new wiring receptacles must be grounded to a neutral bar in the panel box. (True or False) - โ˜‘๏ธ True, Receptacles fed from subpanels must have their equipment grounding bar that is electrically isolated from the neutral bar. How is a 3 way switch identified? - โ˜‘๏ธ 2 brass screws, 1 dark colored screw, no ON/OFF printed on handle. What is the constant in a parallel circuit? - โ˜‘๏ธ Voltage. Voltage drop in each branch is equal to the input voltage to the circuit. The percent of fill for a raceway with one conductor is _________% - โ˜‘๏ธ 53% The number 32 in a 6-32 machine screw refers to the _________. - โ˜‘๏ธ Threads per inch The demand load for a 14kW range is? - โ˜‘๏ธ Col. C for 1 appliance is 8kW. this is increased 5% for each kW over 12kW 14-12=2kW over= 10% increase of base. 8kW X 1.10= 8.8kW