Exam (elaborations) Electrical module 8 Exam Questions and Answers Exam (elaborations) Introduction to Electrical Circuits Exam Questions with Latest Update Exam (elaborations) NCCER Electrical Level 2 Conductor Installations Exam Questions with Correct Answers Exam (elaborations) NCCER ELEC...
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To discharge capacitors before working on de-energized circuits, use a safety ___________ probe. - Answer-Safety Shorting Probe Assume that any facility constructed before 1980 contains ___________. - Answer-Asbestos Any power source exceeding __________ volts is considered high voltage. - Ans...
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Add to cartTo discharge capacitors before working on de-energized circuits, use a safety ___________ probe. - Answer-Safety Shorting Probe Assume that any facility constructed before 1980 contains ___________. - Answer-Asbestos Any power source exceeding __________ volts is considered high voltage. - Ans...
What are three broad categories in the electrical field? - Answer-Residential, Commercial, and Industrial Name at least two phases of residential electrical wiring. - Answer-Testing and troubleshooting (rough-in finish) Name two elements of a commercial electrical system that a commercial elec...
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Add to cartWhat are three broad categories in the electrical field? - Answer-Residential, Commercial, and Industrial Name at least two phases of residential electrical wiring. - Answer-Testing and troubleshooting (rough-in finish) Name two elements of a commercial electrical system that a commercial elec...
20.428 - Answer-The volume of a rectangular tank with a length of 10 feet, a width of 12 feet, and a depth of 6 feet is _____ meters3. 100,000 - Answer-One newton is equal to _____ dynes. gram - Answer-In the metric system, the basic unit of mass is the _____. milli - Answer-In the metric s...
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Add to cart20.428 - Answer-The volume of a rectangular tank with a length of 10 feet, a width of 12 feet, and a depth of 6 feet is _____ meters3. 100,000 - Answer-One newton is equal to _____ dynes. gram - Answer-In the metric system, the basic unit of mass is the _____. milli - Answer-In the metric s...
An example of a location in a dwelling where a receptacle must have GFCI protection is a - Answer-garage A type of cable with a corrugated sheath that has a maximum bend radius of 7 times the cable diameter is _____. - Answer-Type MC a residence with 1,000 square feet of living space has a gen...
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Add to cartAn example of a location in a dwelling where a receptacle must have GFCI protection is a - Answer-garage A type of cable with a corrugated sheath that has a maximum bend radius of 7 times the cable diameter is _____. - Answer-Type MC a residence with 1,000 square feet of living space has a gen...
Average Value - Answer-0.637x peak value RMS value - Answer-.707 x Peak Value Inductance - Answer-Opposes the change of current flow Self Inductance - Answer-Ability of a conductor to induce voltage in itself when the current changes Symbol for inductance - Answer-L The greater the nu...
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Add to cartAverage Value - Answer-0.637x peak value RMS value - Answer-.707 x Peak Value Inductance - Answer-Opposes the change of current flow Self Inductance - Answer-Ability of a conductor to induce voltage in itself when the current changes Symbol for inductance - Answer-L The greater the nu...
Electrical Metallic Tubing (EMT) - Answer-The lightest duty and most widely used non flexible conduit is EMT - Answer-What is often referred to as thin wall conduit? EMT - Answer-NEC article 358 covers Steel or aluminum - Answer-RMC is made of PVC - Answer-A type of conduit that should b...
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Add to cartElectrical Metallic Tubing (EMT) - Answer-The lightest duty and most widely used non flexible conduit is EMT - Answer-What is often referred to as thin wall conduit? EMT - Answer-NEC article 358 covers Steel or aluminum - Answer-RMC is made of PVC - Answer-A type of conduit that should b...
Ammeter - Answer-an instrument for measuring electric current. Amperes (A) - Answer-The basic unit of measurement for electrical current, represented by the letter A Atoms - Answer-The smallest particles to which an element may be divided and still retain the properties of the element. Batt...
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Add to cartAmmeter - Answer-an instrument for measuring electric current. Amperes (A) - Answer-The basic unit of measurement for electrical current, represented by the letter A Atoms - Answer-The smallest particles to which an element may be divided and still retain the properties of the element. Batt...
under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - Answer-safety shorting probe for safety, assume that any facility constructed before 1980 has? - Answer-asbestos with of the following is the threshold at wh...
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Add to cartunder strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - Answer-safety shorting probe for safety, assume that any facility constructed before 1980 has? - Answer-asbestos with of the following is the threshold at wh...
Define Voltage? - Answer-The driving force that makes current flow in a circuit. Voltage often represented by the letter E, is also referred to as electromotive force (emf), difference of potential, or electrical pressure. Define Current? - Answer-The movement, or flow, of electrons in a circuit....
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Add to cartDefine Voltage? - Answer-The driving force that makes current flow in a circuit. Voltage often represented by the letter E, is also referred to as electromotive force (emf), difference of potential, or electrical pressure. Define Current? - Answer-The movement, or flow, of electrons in a circuit....
what color is reserved for the hi-leg on 3-phase, 4 wire, delta system? - Answer-orange how much of a correction factor is needed for the ambient temperature of 40ºC? - Answer-0.82 NEC 310.15 (B)(2)(A) the most common conductors used for light and power installations range from - Answer-4/0 -...
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Add to cartwhat color is reserved for the hi-leg on 3-phase, 4 wire, delta system? - Answer-orange how much of a correction factor is needed for the ambient temperature of 40ºC? - Answer-0.82 NEC 310.15 (B)(2)(A) the most common conductors used for light and power installations range from - Answer-4/0 -...
___ shows the location of the electric service and the location of distribution and branch circuit panelboards within the structure - Answer-a building layout ___ refers to a single meter enclosure with a single meter watt-hour or demand meter - Answer-a self contained meter installation two b...
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Add to cart___ shows the location of the electric service and the location of distribution and branch circuit panelboards within the structure - Answer-a building layout ___ refers to a single meter enclosure with a single meter watt-hour or demand meter - Answer-a self contained meter installation two b...
Any exposed live parts must be guarded if they are operating at - Answer-50V or more between terminals Which of the following are most likely to use dynamic braking? - Answer-Forklifts In a DC series motor, how much of its full-load torque is developed at starting? - Answer-500% For a given...
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Add to cartAny exposed live parts must be guarded if they are operating at - Answer-50V or more between terminals Which of the following are most likely to use dynamic braking? - Answer-Forklifts In a DC series motor, how much of its full-load torque is developed at starting? - Answer-500% For a given...
A voltmeter is used to measure the value of a circuit's ____. - Answer-Electromotive force A closed circuit is indicated by an ohmmeter reading of ______. - Answer-Zero A meter that operates by sensing the strength of the electromagnetic field around the wire is a(n) ______. - Answer-Clamp-on...
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Add to cartA voltmeter is used to measure the value of a circuit's ____. - Answer-Electromotive force A closed circuit is indicated by an ohmmeter reading of ______. - Answer-Zero A meter that operates by sensing the strength of the electromagnetic field around the wire is a(n) ______. - Answer-Clamp-on...
________ typically include the following information: a site plan, floor plans, elevations of all exterior faces of the building, and large-scale detail drawings. - Answer-Architectural drawings A _________ is an exact copy or reproduction of an original drawing. - Answer-Blueprint A simple, s...
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Add to cart________ typically include the following information: a site plan, floor plans, elevations of all exterior faces of the building, and large-scale detail drawings. - Answer-Architectural drawings A _________ is an exact copy or reproduction of an original drawing. - Answer-Blueprint A simple, s...
NEC chapter 5 contains? - Answer-specialty occupancy areas Which of the following serves as the intro to the NEC and provides an overview of the book? - Answer-NEC article 90 Organizations that test products for safety are? - Answer-NRTL's (Nationally Recognized Testing Laboratories) Two d...
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Add to cartNEC chapter 5 contains? - Answer-specialty occupancy areas Which of the following serves as the intro to the NEC and provides an overview of the book? - Answer-NEC article 90 Organizations that test products for safety are? - Answer-NRTL's (Nationally Recognized Testing Laboratories) Two d...
Which of the following is true regarding a series circuit? - Answer-The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - Answer-It has more than one path for current to flow. Which of the following is true regarding a series-paralle...
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Add to cartWhich of the following is true regarding a series circuit? - Answer-The current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - Answer-It has more than one path for current to flow. Which of the following is true regarding a series-paralle...
The NCCER electrical training program applies DOL standards and is a - Answer-four-year program Entry into an apprenticeship program is likely to require a(n) - Answer-GATB Form Test The minimum standards for the safe installation of electrical systems can be found in - Answer-the National Ele...
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Add to cartThe NCCER electrical training program applies DOL standards and is a - Answer-four-year program Entry into an apprenticeship program is likely to require a(n) - Answer-GATB Form Test The minimum standards for the safe installation of electrical systems can be found in - Answer-the National Ele...
Companies with strong safety cultures usually have lower _____. - Answer-a. turnover Which of these is a true statement regarding safety? - Answer-a. Safety is a learned behavior and attitude. Poor lighting, excessive noise, and inadequate guards for moving parts are examples of _____. - Answe...
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Add to cartCompanies with strong safety cultures usually have lower _____. - Answer-a. turnover Which of these is a true statement regarding safety? - Answer-a. Safety is a learned behavior and attitude. Poor lighting, excessive noise, and inadequate guards for moving parts are examples of _____. - Answe...
Proof tests are made at _______. 20% of the original factory voltage 35% of the original factory voltage 40% of the original factory voltage 60% of the original factory voltage - Answer-60% of the original factory voltage The type of termination that only provides some form of electric stress...
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Add to cartProof tests are made at _______. 20% of the original factory voltage 35% of the original factory voltage 40% of the original factory voltage 60% of the original factory voltage - Answer-60% of the original factory voltage The type of termination that only provides some form of electric stress...
According to NEC Section 210.52, laundry areas require at least _____. a. four receptacles b. two receptacles c. three receptacles d. one receptacle - Answer-D. One Receptacle Four wires enter a box, are each connected to a terminal, and then exit again. The total conductor count is _____...
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Add to cartAccording to NEC Section 210.52, laundry areas require at least _____. a. four receptacles b. two receptacles c. three receptacles d. one receptacle - Answer-D. One Receptacle Four wires enter a box, are each connected to a terminal, and then exit again. The total conductor count is _____...
NFPA 70, also known as the ____. It is one of the most important tools for electricians. When used together with local and state laws, it provides the minimum requirements for the installation of electrical systems. - Answer-National electric code (NEC) The primary purpose of the ____ is the prac...
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Add to cartNFPA 70, also known as the ____. It is one of the most important tools for electricians. When used together with local and state laws, it provides the minimum requirements for the installation of electrical systems. - Answer-National electric code (NEC) The primary purpose of the ____ is the prac...
Appliances - Answer-Equipment designed for a particular purpose Branch Circuit - Answer-That portion of a wiring system extending beyond the final overcurrent device protecting the current Feeder - Answer-All circuit conductors between the service equipment, the source of a separately derived ...
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Add to cartAppliances - Answer-Equipment designed for a particular purpose Branch Circuit - Answer-That portion of a wiring system extending beyond the final overcurrent device protecting the current Feeder - Answer-All circuit conductors between the service equipment, the source of a separately derived ...
a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - Answer-500w voltage is defined as the? - Answer-driving force that makes current flow in a circuit if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - Answer-240 v...
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Add to carta circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - Answer-500w voltage is defined as the? - Answer-driving force that makes current flow in a circuit if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - Answer-240 v...
NEC Chapter 5 contains _____. - Answer-information on special occupancy areas NEC Chapter 6 covers ______. - Answer-special equipment Which of the following rules contain the words shall or shall not and must be adhered to? - Answer-Mandatory rules Which of the following rules identify acti...
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Add to cartNEC Chapter 5 contains _____. - Answer-information on special occupancy areas NEC Chapter 6 covers ______. - Answer-special equipment Which of the following rules contain the words shall or shall not and must be adhered to? - Answer-Mandatory rules Which of the following rules identify acti...
The PEAK voltage in a normal 120/208 VAC system is: - Answer-170 V. What is a fish tape used for? - Answer-Pulling wire or rope through conduit As the ambient temperature surrounding a self-regulating heating cable gets warmer, the - Answer-Increases. Rubber personnel protective insulating ...
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Add to cartThe PEAK voltage in a normal 120/208 VAC system is: - Answer-170 V. What is a fish tape used for? - Answer-Pulling wire or rope through conduit As the ambient temperature surrounding a self-regulating heating cable gets warmer, the - Answer-Increases. Rubber personnel protective insulating ...
Which of the following is the most important advantage of AC power over DC power? A. Easy to change the values of I and E B. Easy to Generate C. Saves weight D. None of the Above - Answer-Easy to change the values of I and E __________ is created by the AC generator. A. rectifier B. sine ...
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Add to cartWhich of the following is the most important advantage of AC power over DC power? A. Easy to change the values of I and E B. Easy to Generate C. Saves weight D. None of the Above - Answer-Easy to change the values of I and E __________ is created by the AC generator. A. rectifier B. sine ...
In a guardrail system, the guardrails can be made of any of the following EXCEPT: - Answer-rope-banding If the potential across the circuit is 48 volts and the current is 5 amps the resistance of the circuit is: - Answer-9.6 ohms A UL listed rod type grounding electrode must have a minimum len...
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Add to cartIn a guardrail system, the guardrails can be made of any of the following EXCEPT: - Answer-rope-banding If the potential across the circuit is 48 volts and the current is 5 amps the resistance of the circuit is: - Answer-9.6 ohms A UL listed rod type grounding electrode must have a minimum len...
Electrical Service - Answer-electrical components that are used to connect the serving utility to the premises wiring system Raceway System - Answer-Enclosures that house the conductors in an electrical system (fittings, boxes, conduit) Rough-in - Answer-The beginning stage of wiring that invo...
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Add to cartElectrical Service - Answer-electrical components that are used to connect the serving utility to the premises wiring system Raceway System - Answer-Enclosures that house the conductors in an electrical system (fittings, boxes, conduit) Rough-in - Answer-The beginning stage of wiring that invo...
Dog legs can be avoided when making offset bends by - Answer-maintaining center line When making bends on short lengths of conduit the shoe may be prevented of creaking by - Answer-screwing a coupling onto it Which of the following will reduce an offset in a conduit - Answer-2 kicks in opposit...
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Add to cartDog legs can be avoided when making offset bends by - Answer-maintaining center line When making bends on short lengths of conduit the shoe may be prevented of creaking by - Answer-screwing a coupling onto it Which of the following will reduce an offset in a conduit - Answer-2 kicks in opposit...
How do you check ohms of switchgear - Answer-1000v megger What is the abbreviation for a coil on electrical drawings - Answer-CC NEC requires neutrals to have a continuous marking of white or tape for #6 and smaller - Answer-Grey What is the abbreviation for an oscilloscope - Answer-CRO ...
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Add to cartHow do you check ohms of switchgear - Answer-1000v megger What is the abbreviation for a coil on electrical drawings - Answer-CC NEC requires neutrals to have a continuous marking of white or tape for #6 and smaller - Answer-Grey What is the abbreviation for an oscilloscope - Answer-CRO ...
in a guardrail system; the guardrail can be made of any of the following except? - Answer-Rope banding What is type USE cable primarily used for? - Answer-Direct burial in the earth Electrical gloves should be inspected before each use to determine: - Answer-The maximum voltage they can stand....
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Add to cartin a guardrail system; the guardrail can be made of any of the following except? - Answer-Rope banding What is type USE cable primarily used for? - Answer-Direct burial in the earth Electrical gloves should be inspected before each use to determine: - Answer-The maximum voltage they can stand....
The slandered system of wire sizes in the United Stated is known as the _______. - Answer-American Wire Gauge (AWG) system Wire sizes of No._ or larger are shown only as stranded. - Answer-No.6 The purpose of stranding is to increase ________. - Answer-The Flexibility of the wire A circular...
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Add to cartThe slandered system of wire sizes in the United Stated is known as the _______. - Answer-American Wire Gauge (AWG) system Wire sizes of No._ or larger are shown only as stranded. - Answer-No.6 The purpose of stranding is to increase ________. - Answer-The Flexibility of the wire A circular...
NEC Article 250 - Answer-Is the primary governing article for the proper use and installation of grounding and bonding short circuit - Answer-a conducting connection, whether intentional or accidental, between any of the conductors of an electrical system, whether it is from line-to-line or from ...
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Add to cartNEC Article 250 - Answer-Is the primary governing article for the proper use and installation of grounding and bonding short circuit - Answer-a conducting connection, whether intentional or accidental, between any of the conductors of an electrical system, whether it is from line-to-line or from ...
Due to the risk of runaways, what should be used on all long vertical cable pull - Answer-Braking system Mandrels should be approximately what percentage of the conduit size? - Answer-80% A good place to find data for supporting cable in vertical conduit runs is from - Answer-Manufactures cata...
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Add to cartDue to the risk of runaways, what should be used on all long vertical cable pull - Answer-Braking system Mandrels should be approximately what percentage of the conduit size? - Answer-80% A good place to find data for supporting cable in vertical conduit runs is from - Answer-Manufactures cata...
Amperes - Answer-The basic unit of measurement for electrical current, represented by the letter A. Atoms - Answer-The smallest particle to which an element may be divided and still retain the properties of the element. Battery - Answer-A DC voltage source consisting of two or more cells that ...
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Add to cartAmperes - Answer-The basic unit of measurement for electrical current, represented by the letter A. Atoms - Answer-The smallest particle to which an element may be divided and still retain the properties of the element. Battery - Answer-A DC voltage source consisting of two or more cells that ...
Non-liquid tight and liquid tight - Answer-Flexible metal conduit is generally available in two types Type L conduit body - Answer-Is used as a pulling point for conduit that requires a 90 • change in direction Type LL conduit body - Answer-If the opening is to the left Sealing fittings -...
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Add to cartNon-liquid tight and liquid tight - Answer-Flexible metal conduit is generally available in two types Type L conduit body - Answer-Is used as a pulling point for conduit that requires a 90 • change in direction Type LL conduit body - Answer-If the opening is to the left Sealing fittings -...
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