Electrical 1A Midterm Exam

NFPA 70E, Standard for Electrical Safety in the Workplace provides guidance such as determining severity of potential exposure, planning safe work practices, arc-flash labeling, and selecting ________. a) (a) personal protective equipment b) (b) coordinated overcurrent protective devices c) a and b d) none of these

? a) (a) personal protective equipment

" Underground system service-entrance conductors" are the service conductors between the terminals of the _______ and the point of connection to the service lateral or under ground service conductors. a) service equipment b) service point c) grounding electrode d) equipment grounding conductor

B) service point

Article 100 contains definitions essential to the application of the Code. Definitions are also found in ___________. a) the index b) (b) the annex c) XXX.2 of other articles d) article scope(s)

C) XXX.2 of the articles

A good fault current path is an electrically conductive path from the point of ground fault through normally noncurrent-carrying conductors, equipment, or the earth to the ________. a) ground b) enclosure c) eletrical supply source d) grounding electrode

C) electrical supply source

Where can I apply for an Utah Apprentice Electrician License? A) Utah Department of Workforce Services B) My Employer C) Utah Department of Occupational and Professional Licensing D)Utah Division of Occupational and professional Licensing

D Utah Division of Occupational and professional Licensing

An overload is the same as a short circuit or ground fault True or False

False

Installations shall comply with the material located in the NEC Annexes because they are part of the requirements of the Code. True or False

False

Installations shall comply with the material located in the NEC annexes because they are part of the requirements of the Code True or False

False

The Code covers underground mine installations and self-propelled mobile surface mining machinery and its attendant electrical trailing cable True or False

False

The term " Luminaire" means a single individual lampholder by itself. True or False

False

Chapters 5, 6, and7 apply to special occupancies, special equipment, or other special conditions and may supplement or modify the requirements in Chapters 1 through 7. True or False

True

Communications wiring such as telephone, antenna, and CATV wiring within a building shall not be required to comply with the installation requirements of Chapters 1 through 7, except whre specifically reference in Chapter 8 True or False

True

Due to its power limitation a Class 2 circuit considers safety from a fire initiation standpoint and provides acceptable protection from electric shock True or False

True

Explanatory material, such as references to other standards, references to related sections of the NEC, or information related to a Code rule, are included in a form of Informational Notes. True or False

True

Listed or labeled equipment shall be installed and used in accordance with any instructions included in he listing or labeling True or False

True

NEPA 70E, Standard for Electrical Safety in the Workplace provides information to help determine the electrical safety training requirements expected of a qualified person True or False

True

The NEC does not cover electrical installations in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles. True or False

True

The minimum height off working spaces about electrical equipment, switchboards, panelboards, or motor control centers operating at 1000V, nominal. or less and likely to require examination, adjustment, servicing, or maintenance while energized shall be 6 1/2 ft or the height of he equipment, whichever is greater , except for service equipment or panelboards in existing dwelling units that do not exceed 200A True or False

True

a battery system includes storage batteries and battery chargers, and can include inverters. converters. and associated electrical equipment True or False

True

All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected form damage and the working clearance space for outdoor installations shall include the zone described in ______________. a) 110.26(A) b) 110.26(b) c) 90.1 d) 250.112(A)

a) 110.26(A)

An interactive inverter is a inverter intended for use in parallel with a(an) _______ to supply common loads that may deliver power to the utility. a) electric utility b) photovoltaic (PV) system c) battery d) generator

a) electric utility

Nonconductive optical fiber cable contains no metallic members and no other _____ materials. a) electrically conductive b) inductive c) synthetic d) insulating

a) electrically conductive

Chapters 1 through 4 of the NEC apply ______. a) generally to all electrical installations b) only to special occupancies and conditions c) only to special equipment and material d) all of these

a) generally to all electrical installations

a "_________" is an accommodation that combines living, sleeping, and storage facilities within a compartment a) guest room' b) guest suite c) dwelling unit d) single-family dwelling

a) guest room

Part I of Article 100 contains definitions intended to apply wherever the terms are used throughout the Code. Part III of Article 100 contains definitions for _____. a) hazardous (classified) locations b) solar PV systems c) communications systems d) grounding and bonding

a) hazardous (classified) locations

A branch circuit that supplies only one utilization equipment is a(an) ______ branch circuit a) individual b) grounded purpose c) isolated d) special purpose

a) individual

The Code does not cover installations under the exclusive control of and electrical utility such as _______. a) service drops and laterals b) electric utility office buildings c) electric utility warehouses d) electric utility garages

a) service drops and laterals

The ______________ is the necessary equipment, usually consisting of a circuit breaker(s) or switch(es) and fuse(S) and their accessories connected to the load end of service conductors, and intended to constitute the main control and cutoff of the supply a) service equipment b) service c) service disconnect d) service overcurrent device

a) service equipment

________ at other than dwelling units shall be legibly field marked with he available fault current, included the date the fault- current calculation was performed, and be of sufficient durability to withstand the environment involved a) service equipment b) sub panels c) motor control centers d) all of these

a) service equipment

Installations supplying ________ power to ships and watercraft in marinas and boatyards are covered by the NEC. a) shore b) primary c) secondary d) auxiliary

a) shore

What is Generally required to become a Journeyman Electrician in the State of Utah? a)Complete 576 hours of a program of electrical study b) Take the "Oath of Electricity" with your hand on the Code book c) Have at least 8000 hours of Full-Time work experience as a licensed Apprentice Electrician d) Pass through required Hazing rituals such as Searching for a wire stretcher or Sky Hook e) Complete all 3 portions of the State of Utah Journeyman Test

a,c, and e

How many hours of continuing education are required to be eligible to renew your electrical license? a) 8 hours every renewal cycle b) 16 hours every renewal cycle c) 12 hours every renewal cycle d) I don't need continuing education as an electrician

b) 16 hours every renewal cycle

A permanently connected sre-protective device (SPD) intended for installation on the load side of the service disconnect overcurrent device, including SPDs locted at the branch panel, is a "Type ______ SPD" a) 1 b) 2 c) 3 d) 4

b) 2

How many Apprentice Electri=cians can work under the supervision of 1 Journeyman or Master Electrician on a commercial Jobsite in the state of Utah? a)1 b)2 c)3 d) no limit

b) 2

The minimum working space on a circuit for equipment operating at 300 volts-to-ground with exposed live parts on one side and grounded parts on the other side of the work space is ________ a)3 b) 3 1/2 c) 4 d) 4 1/2

b) 3 1/2

What is the most working hours I am allowed to count per year, while working as a licensed apprentice? a) 4000 b) 3000 c) 2000 d) as many as I actually work

b) 3000

How many Class hours are required by DOPL each semester of school? a)90 b)72 c)50 d)84

b) 72

When do I need to renew my Electrical Licence? a) Every 2 years on the Odd year b) Every 2 years on the Even year c) Every 3 years d) Its good Forever

b) Every 2 years on the Even year

Electrical equipment rooms or enclosures housing electrical apparatus that are controlled by a lock(s) shall be considered _______ to qualified persons a) readily accessible b) accessible c) available d) secured

b) accessible

The ________ has the responsibility for deciding on the approval of equipment and materials a) manufacturer b) authority having jurisdiction c) testing agency d) the owner of the premises

b) authority having jurisdiction

The _____ of any system is the ration of the maximum demand of a system or part of a system, to the total connected load of a system. a) load b) demand factor c) minimum load d) calculated factor

b) demand factor

"Nonautomatic" is defined as requiring ________ to perform a function a) protection from damage b) human intervention c) mechanical linkage d) all of these

b) human intervention

A wire that is run along with integral to a cable or conductor to provide mechanical support for the cable or conductor is a _____. a) tension wire b) messenger wire c)guy wire d) strain relief wire

b) messenger wire

Any electrical circuit that controls any other circuit through a relay or an equivalent device is called a "__________" a) primary circuit b) remote-control circuit c) signal circuit d) controller

b) remote-control circuit

The underground conductors between the utility electric supply system and the service point are known as the "___________" a) utility service b) service lateral c) service drop d) main service conductors

b) service lateral

A " service drop" is defined as the overhead conductors between the utility electric supply system and the _________ a)service equipment b) service point c) grounding electrode d) equipment grounding conductor

b) service point

The "________" is the point of connection between the facilities of the serving utility and the premises wiring a) service entrance b) service point c) overcurrent protection d) beginning of the wiring system

b) service point

a " service drop" id defined as the overhead conductors between the utility electric supply system and the ________. a) service equipment b) service point c) grounding electrode d) equipment rounding conductor

b) service point

How many Apprentice Electricians can work under the supervision of 1 Journeyman or Master Electrician on a residential Jobsite in the state of Utah? a)1 b)2 c)3 d) no limit

c) 3

The minimum working space on a circuit for equipment operating at 750 volts-to-ground with exposed live parts on one side and grounded parts on the other side of the work space is ________ a) 1 ft b)3 ft c) 4 ft d) 6 ft

c) 4 ft

How many working hours as a licensed apprentice electrician are required begore I can take my Electrical Journeyman Test? a)2000 b)4000 c)6000 d)8000

c) 6000

What grade is required by the state to pass each apprenticeship class? a} A b) B c) C d) D

c) C

Hazards often occur because of _______. a) overloading of wiring systems by methods or usage not in conformity with the NEC. b) initial wiring not providing for increases in the use of electricity c) Overloading of wiring systems by methods or usage not in conformity with the NEC and initial wiring not providing for increases in the use of electricity d) none of these

c) Overloading of wiring systems by methods or usage not in conformity with the NEC and initial wiring not providing for increases in the use of electricity

Compliance with the provisions of the NEC will result in _______. a) good electrical service b) an efficient electrical system c) an electrical system essentially free from hazard d) all of these

c) an electrical system essentially free from hazards

Installations of communications equipment that are under the exclusive control of communications utilities, and located outdoors or in building spaces used exclusively for such installations _____ covered by the NEC a) are b) are sometimes c) are not d) may be

c) are not

If the NEC requires new products that are not yet available at the time a new edition is adopted, the ______ may permit the use of the procductes that comply with the most recent previous edition of the Code adopted by that jurisdiction a) electrical engineer b) master electrician c) authority having jurisdiction d) permit holder

c) authority having jurisdiction

Installations used to export electric power from vehicles to premises wiring or for ______ current flow are covered by the NEC a) emergency b) primary c) bidirectional d) secondary

c) bidirectional

By definition, and attachment fitting is different from an attachment plug because no ________ is associated with the fitting a) cable b) fixture wire c) cord d) wiring compartment

c) cord

Composite optical fiber cables contain optical fibers and _______. a) strength members b) vapor barriers c) current-carrying electrical conductors d) recycled plastic

c) current-carrying electrical conductors

The installed conductor path(s) that is part of a ground-fault current path and connects normally noncurrent-carrying metal parts of equipment together and to the system rounded conductor or the ground electrode conductor or both, is known as a(an) "_______" conductor. a) grounding electrode b) grounding c) equipment grounding d) neutral

c) equipment grounding

The NEC is ______ a) intended to be a design manual b) meant to be used as a instruction guide for untrained persons c) for the practical safeguarding of persons and property d)published by the Bureau of Standards

c) for the practical safeguarding of persons and property

Connected (connecting) to ground or to a conductive body that extends the ground connection is called "______" a) equipment grounding b) bonded c) grounded d) all of these

c) grounded

a conducting object through which a direct connection to earth is established is a "______" a) bonding conductor b) grounding conductor c) grounding electrode d) grounded conductor

c) grounding electrode

Factory-installed ______ wiring of listed equipment need not be inspected at the time of installation of the equipment, except to detect alterations or damage. a) external b) associated c) internal d) all of these

c) internal

It is the intent of the NEC that factory-installed _____ wiring of listed equipment need not be inspected at the time of installation of the equipment, except to detect alterations or damage a) external b) associated c) internal d) all of these

c) internal

The conductors connected to the direct-current input of an inverter for PV systems form the ___________. a) branch circuit b) feeder c) inverter input circuit d) inverter output circuit

c) inverter input circuit

a nominal value assigned to a circuit or system for the purpose of conveniently designating its voltage class, such as 120/240V is called "_______ voltage" a) root mean square b) circuit c) nominal d) source

c) nominal

As defined, the term " reconditioned" is fequenly referred to as _____. a) redeployed b) redesigned c) re-purposed d) refurbished

c) re-purposed

An effective ground-fault current path is an intentionally constructed, low-impedance electrically conductive path designed and intended to carry current during a ground fault condition from the point of a ground fault on a wiring system to _________. a) ground b) earth c) the electrical supply source d) the grounding electrode

c) the electrical supply source

Each disconnecting means shall be legibly marked to indicate its purpose unless located and arranged so ________ a) that it can be locked out and tagged b) it is not readily accessible c) the purpose is evident d)that it operates at less that 300 volts

c) the purpose is evident

Generating capacity, inverter" is defined as the sum parallel-connected inverter maximum continuous output power at 40 C in ________ a) amperes or kVA b) volts or kV c) watts or kW d) 24 hour period

c) watts or kW

Electrical hazards often occur because the initial _____ did not provide for increases in the use of electricity and therefore wiring systimes become overloaded. a) inspection b) owner c) wiring d) builder

c) wiring

"Within sight from" means visble and not more than _____________ft distant from the equipment a) 10 b) 20 c) 25 d) 50

d) 50

A communications raceway is an enclosed channel of nonmetallic materials designed fo holding communications wires and cables; optical fiber cables; data cables associated with information technology and communications equipment Class 2, Class3, and Type PLTC cables; and power-limited fire alarm cables in _______ applications. a) plenum b) riser c) general purpose d) all of these

d) all of these

A hoistway is any ________ in which an elevator or dumbwaiter is designed to operate a) hatchway or well hole b) vertical opening or space c) shaftway d) all of these

d) all of these

According to the Code "automatic" is performing a function without the necessity of_________. a) protection form damage b) human intervention c) mechanical linkage d) all of these

d) all of these

All _____________ shall be covered with an insulation equivalent to that of the conductors or with an identified insulating device a) splices b) joints c) fee ends of connections d) all of these

d) all of these

Chapters 5, 6, 7 of the NEC apply to ________ a) special occupancies b) special equipment c)special conditions d) all of these

d) all of these

Compliance with the Code and proper maintenance result in an installation that is _________. a) essentially free from hazards b) not necessarily efficient o convenient c) not necessarily adequate for good service or future expansion d) all of these

d) all of these

Conductive optical fiber cables contain noncurrent-carrying conductive members such as metallic _________. a) strength members b) vapor barriers c) armor or sheath d) any of these

d) all of these

Examples of ground fault current paths include any combination of conductive material's including _________. a) equipment grounding conductors b) metallic raceways c) metal water and gas piping d) all of these

d) all of these

Information and technology equpiment and systems are used for creation and manipulation of ______. a) data b) voice c) video d) all of these

d) all of these

The Code contains provisions considered necccassary for safety which will not necessarily result in _________. a) efficient use b) convenience c) good service or future expansions of electrical use d) all of these

d) all of these

The NEC does apply to installations in ________. a) floating buildings b) mobile homes c) recreational vehicles d) all of these

d) all of these

The authority having jurisdiction has the responsibility for ________. a) making interpretation of rules b) deciding upon the approval of equipment and materials c) waiving specific requirements in the Code and permitting alternate methods and material if safety is maintained d) all of these

d) all of these

This code covers the installation of _________ for public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings. a) optical fiber cables b) electrical equipment c) raceways d) all of these

d) all of these

Which of the following systems shall be installed and removed in accordance with the NEC requirements? a) Signaling conductors, equipment, and raceways b) Communications conductors, equipment, and raceways c) Electrical conductors, equipment, and raceways d) all of these

d) all of these

a hybrid system is comprised of multiple power soures, such as _______ but not the utility power system a) photovoltaic b) wind c) micro-hydro generators d) all of these

d) all of these

a multiwire branch circuit consists of ________. a) two or more ungrounded conductors that have a voltage between them b) a grounded conductor that has equal voltage between it and each ungrounded conductor of the circuit c) a grounded conductor connected to the neutral or grounded conductor of the system d) all of these

d) all of these

in Judging equipment for approval considerations such as __________ shall be evaluated. a) mechanical strength b) wire-bending c) arcing effects d)all of these

d) all of these

Separately installed pressure connectors shall be used with conductors at the ____ not exceeding the ampacity at the listed and identified temperature rating of the listed and identified temperature rating of the connector a) voltages b) temperatures c) listings d) ampacities

d) ampacities

Equipment or materials to which has been attached a(an) _________ of an FEB indicating the equipment or materials were evaluated and found to comply with requirements described in an accompanying field evaluation report is known as "field labeled (as applied to evaluated product(s))" a) symbol b) label c) other identifying mark d)any of these

d) any of these

as applied to electrical wquipmen6 he term " reconditioned" may b interchangeable with the term(s) "__________" a) rebuilt b) refurbished c) remanufactured d) any of these

d) any of these

"Special permission" is the written consent from the ________. a) testing laboratory b) manufacturer c) owner d) authority having jurisdiction

d) authority having jurisdiction

Systems of illumination utilizing fluorescent lamps, high-intensity, discharge (HID) lamps, or neon tubing are all types of _____ lighting a) area b) flood c) security d) eclectic-discharge

d) electric-discharge

Surrounded by a case. housing. fence or wall(s) that prevents person from accidentally contacting energized parts is called "_________" a) guarded b) covered c) protection d) enclosed

d) enclosed

Nonmandatory informative Annexes contained in the back of the Code book are _____ a) for information only b)not enforceable as as requirement of the Code c) enforceable as a requirement of the Code d) for information only and not enforceable as as requirment of the Code

d) for information only and not enforceable as a requirment of the Code

A conductor used to connect the system grounded conductor of the equipment to a grounding electrode or to a point on the grounding electrode system is call the " _____________ conductor" a) main grounding b) common main c) equipment grounding d) grounding electrode

d) grounding electrode

Constructed, protected, or treated so as to prevent rain from interfering with the successful operation of the apparatus under specified test condition defines the term "______" a) raintight b) waterproof c) weathertight d) rainproof

d) rainproof

In the NEC the word(s) "____" indicate a mandatory requirement a) shall b) shall not c) shall be permitted d) shall or shall not

d) shall or shall not