Final Practice Test

A frequency of 60 hertz is equivalent to a. 120 cycles per secondd b. 60 cycles per minute c. 30 cycles per second d. 60 cycles per minute

D

A low voltage loudspeaker system that is supplied by branch circuit power shall not be installed or used closer than____from the inside wall of a swimming pool? a. 10' b. shall be restricted in placement only by the manufactureres recommendations c. 20' d. 5'

D

The equipment supplying PLFA circuits shall be____to indicate each circuit that is a PLFA circuit a. marked with an indelible permanent marker b. durably marked where plainly visible c. marked in the color white on a red background d. marked with a tag suitable for the environment involved

B

The maximum possible current that can be provided by a Cllasss 2 AC power source with a rated output of 12 volts is a. 100 volt amps b. 5 amps c. 5 volt amps d. 0.005 amps

B

Utilization equipment identified as a rectifier typically a. converts direct current to a lower voltage direct current b. converts ac to dc c. converts ac to lower voltage ac d. converts direct current to ac

B

Voltages referenced in the NEC are ____values unless otherwise stated a. average b. effective c. peak d. peak to peak

B

What is the difference between a Class 1 and II hazardous location? a. class I is combustible dust and vapors and class II is flammable gases b. class I is flammable gases and vapors and class II is combustible dust c. class I is flammable dust and class II is combustible gases and vapors d. class I is flammable gases and vapors and class II is ignitable fibers and flyings

B

What is the maximum allowable fill for a conduit containing two 4 conductor cables? a. 53% b. 40% c. 60% d. 31%

B

What is the maximum number of irrigation valve solenoids that can be connected simultaneously to a power source that has a rated output of 24 volts and 40 volt amps if each solenoid draws 0.30 amps from the power source. a. 4 b. 5 c. 6 d. 8

B

What is the maximum percent of fill for a conduit that will contain more than 2 conductors? a. 53% b. 40% c. 31% d. 60%

B

What is the maximum permissible output power of a 24 volt, class 2 transformer a. 1000 volt amps b. 100 volt amps c. 100 /Vmax d. 5 amps

B

What is the minimum burial depth required for conductors or cables that are part of a 24 volt residential lawn irrigation system> a. 3" b. 6" c. 18" d. 24"

B

What is the minimum value of the performance bondd that must be carried by a tech system contractor? a. $10,000 b. $25,000 c. $100,000 d. Not required for tech system contractors

B

What is the total cross sectional area of a 1 1/4" EMT conduit? a. 1.380 sq in b. 1.496 sq in c. 0.793 sq in d. 0.464 sq in

B

When does work on a Class 2 circuit not require a request for inspection? a. installing a paging systems circuit in an intensive care room of a hospital b. replacement of a defective part in a sensing unit located in a class I hazardous classified location c. rewiring the air conditioning temp control circuit in a residential dwelling d. installing a fan control circuit that is part of a school HVAC system

B

Whenever possible communication cable on the outside of buildings shall be installed at least____from any lightning rod system conductors. a. 4" b. 8' c. 6' d. 2"

B

Where holes are bored through studs and joists and the edge of the hole is closer than 1 1/4" to the nearest edge, a cable or raceway shall be protected by a. a steel plate or bushing that is at least 3/32" thick b. a steel plate of any thickness if listed and identified for the purpose c. a steel plate or bushing that is at least 1/8" thick d. a steel plate or bushing that is at least 3/16" thick

B

Where installed passing through a floor or wall, PLFA circuits shall be a. installed using Type AC or Type MC cable b. protected to a height of 7' above the floor c. secured at intervals not exceeding 24" d. in nonmetallic raceways.

B

Which of the following could be used as the power source for a Class 2 circuit? a. a 24 volt gel-cell battery b. a 24 volt listed class 2 or 3 transformer c. a string of series-connected dry-cell batteries providing a DC output of not more than 60 volts d. a 24 volt Class 1 direct current power supply

B

Which of the following is not an example of environmental air space? a. return air space between residential joists or studs b. the space above a suspended ceiling with HVAC ductwork for supply air and ceiling air vents c. the space above a suspended ceiling with HVAC ductwork for supply air and return air d. ducts specifically fabricated for environmental air

B

Which type of lower voltage cable cannot be installed in a vertical chase between the 1st and the 3rd floor of a school building a. CMR b. PLTC c. CL2R d. OFCP

B

Who can perform electrical work in hazardous classified locations? a. a licensed PLT working under contract for a licensed tech systems contractor b. a licensed PLT employed by a licensed tech systems contractor c. a registered unlicensed tech employed by a licensed tech systems contractor d. a licensed journeyman electrician work freelance

B

Wiring for a Class 2 power limited circuit cannot a. be installed in a wet location b. start a fire or cause a dangerous electrical shock c. be non inherently limited d. be installed in a hazardous location

B

Holes bored through wood studs or joists are to be located so that the nearest edge of the bored hole is at least___inches from the nearest edge of the stud or joists a. 1/4" b. 1" c. 1 1/4" d. 1 1/2"

C

How many individuals sit as members of the MN Board of Electricity? a. 10 b. 11 c. 12 d. 15

C

What size of schedule 40 rigid polyvinyl chloride conduit is required to contain an elliptical cable with nominal dimensions of 0.3" by 0.9"? a. 3/4" b. 1" c. 1 1/4" d. 1 1/2"

C

What type of EMT raceway installation does not permit securing the conduit at the normally permitted distance from the box or enclosure, what is the maximum distance that the attachment can be made? a. 3' b. 6' c. 5' d. 4 1/2'

C

When installing rigid pvc conduit, the NEC requires the joints, fittings and couplers to be made using a. construction grade PVC pipe cement b. teflon tape or other suitable means c. an approved method d. threaded fittings.

C

When is an electrical request for inspection required to be filed? a. before the beginning of any physical installation where required to be inspected b. at or before commencement of all electrical work c. at or before beginning any electrical work required to be inspected d. As soon as absolutely possible after starting the work

C

When is an occupancy, space or area designated as a Division 2 hazardous classified location? a. when the hazard exists under normal operating conditions b. when the hazard is flammable or combustible gases or vapors c. when the hazard exists under abnormal operating conditions d. when the hazard is combustible dust

C

Which of the following describes an individual that is not permitted to install technology systems that require an inspection? a. a registered employee of a licensed tech system contractor when their wages are reported on an IRS W2 form b. a licensed PLT working for a licensed tech system contractor when their wages are reported on an IRS form W2 c. A licensed PLT working for a licensed tech systems contractor when the employees wages are reported on an IRS for 1099 d. A licensed PLT working for an employer when the employer is not licensed by the state as a tech systems contractor but is registered with the state as a registered employer.

C

Which one of the following grounding connections is permitted by the NEC for the grounding electrode conductors of an antenna discharge unit when an intersystem bonding termination device has not been installed. a. a nonflexible, metal conduit b. the metal cover of a meter enclosure or disconnect enclosure if removeable c. an accessible power grounding electrode conductor d. any accessible point on an electrically continuous metallic cold water piping system

C

A CATV underground service drop shall be separated from underground electrical drop conductors by at least____. a. 12" b. 2" c. 4" d. 24"

A

A PLT license is not required when installed the following electrical circuits. a. class 2 or 3 remote control cicuits that control line voltage equipment where installed in dwelligns b. Class 2 or 3 circuits in electrical enclosures that contain exposed line voltage circuits c. class 2 or 3 circuits in Class III hazardous classified locations d. class 2 or 3 remote control circuits that control line voltage equipment where installed in other than dwellings

A

An antenna mast supporting a satellite receiving system parabolic antenna shall be bonded to an approved ground a. an accordance with NEC sec 810.21 b. in accordance with NEC 820.100 c. with separate ground rod at least 1/2" in diameter and 5' in length d. where practicable to do so

A

Conductive optical fibers shall not be permitted in the same cable tray, enclosure or raceway with conductors of any of the following a. Class 1, 2 or 3 remote control, signaling and power limited circuits b. power limited fire alarm systems c. communications circuits d. community antenna television and radio distribution system

A

Surface nonmetallic raceways installed as part of a communication circuit installation a. shall be secured and supported in accordance with instructions provided by the manufacturer. b. may be installed in an environmental air space above a suspended ceiling c. may not be used for an electric light or electrical power installation d. shall no have a cable fill exceeding 20 percent

A

The DC resistance of an 18 gauge solid copper conductor is____Ohms per 1000' a. 7.77 b. 12.8 c. 7.95 d. 26.5

A

The NEC requires that communications cables be considered abandoned and removed from a building when a. the cable is not terminated at either end and is tagged "for future use" at both ends b. both ends of the cable are terminated, one end at a punch block and the other end at a jack c. one of the the cable is terminated at a patch panel and other end of the cable is tagged "for future use." d. the cable was installed several years previous, is not tagged or terminated at either end but is plenum rated, properly secured, and is installed in a neat and workmanlike manner.

A

The bonding conductor or grounding electrode conductor for a communications circuit protector must be routed to maintain a separation of at least 6' from a lightning protection system conductor a. where practicable to do so b. unless it is bond to the lightning protection system conductor c. where installed in other than a one or two family dwelling d. without exception

A

The permissive rules of the NEC can be recognized by the terms a. shall be permitted or shall not be required b. there are no terms for permissive rules c. shall comply or shall not comply d. shall or shall not

A

The power source for non power limited fire alarm circuits shall not be more than_____. a. 600 volts, AC or DC b. 600 volts DC c. 300 volts AC or DC d. 150 volts AC or DC

A

The size and number or wires installed in any raceway shall not be more than a. will provide for proper heat dissipation b. will permit an easy installation pull c. will permit installation of conductors without damage to the raceway d. does not apply to any technology circuits or systems

A

Which of the following is permitted for maintaining the physical protection of communications circuits that are part of a critical operations power system installation? They may be installed in a. type IMC intermediate metal conduit b. schedule 80 type PVC rigid conduit encased in at least 2" of concrete c. Type EMT electrical metallic tubing d. flexible metallic or non metallic raceways encased in at least 2" of concrete

A

Which of the following types of cable is permitted as a substituted for type CL3R? a. CMR b. PLTC c. CMG d. FLPR

A

Which statement correctly applies to a pipe organ installation? a. cables shall be seccurely fastened in place and may be attached directly to the organ structure. b. conductors shall be not less than 22 AWG for electromagnetic valve supply c. conductors used for pipe organs shall be cabled from termination point to termination point. d. abandoned cable that are not terminated at equipment shall be removed.

A

A 24 volt power source is connected to an electrical machine with 16 gauge solid copper conductors. The load requires 21.6 volts to operate reliably and draws 1.5 amps from the power source. The K factor for the conductors is 12.6. What is the maximum permissible length for this circuit? (nearest feet ten feet rounding down) a. 150 b. 160 c. 164 d. 180

B

A CATV coaxial overhead cable shall clear the roof of a detached residential garage by not less than a. 2" b. no clearance required by the NEC c. 8' d. 6'

B

Conductors of class 2 circuits and power limited fire alarm circuits are allowed to occupy the same cable, enclosure, or raceway provided that a. ac conductors are separated from dc con by at least .25" b. all conductors are insulated for a minimum of 300 volts c. all conductors are listed and marked CL2 d. the class 2 circuits and power limited fire alarm circuits operate at the same voltage.

B

Electrical non metallic tubing must be securely fastened in place to the building structure not more than____of each outlet box or junction box. a. 1' b. 3' c. 2' d. 24"

B

Equipment, wiring and cables installed in air handling spaces above suspended ceilings shall be installed a. in conduit where located in buildings having more than three floors above grade b. so that the production of smoke and flame spread will not be increased substantially c. so as to not be a problem for firefighters during a structural fire d. perpendicular to the long dimension of the space

B

For tech circuit or system work where a personal license is required, a licensed individual shall supervise no more than ____unlicensed individuals. a. 2 b. 3 c. any number of d. Direct supervision is not required for work on tech systems or circuits

B

It is a misdemeanor knowingly and willfully to fail to file a request for electrical inspections a. for any electrical work performed by a tech systems contractor b. when ordered to do so by an inspector c. for circuits and systems where the voltage exceeds 30 volts d. for smoke detector systems where installed in a private home

B

Only____conductors shall be permitted to be used for fire alarms systems a. aluminum b. copper c. copper clad steel or bronze d. copper clad aluminum

B

Power limited fire alarm cables shall be securely fastened in an approved manner at intervals that do not exceed 18" a. except where installed in one and two family dwellings b. when installed within 7' of the finished floor c. in all cases, no exceptions d. when installed as an exposed wiring method

B

The NEC is a safety standard intended to be suitablee for mandatory application by a. electrical power utility companies and their employees b. governmental bodies that have jurisdiction c. the federal gov d. underwriters laboratories

B

The NEC states "Only wiring methods recognized as____are included in this code. a. approved b. suitable c. listed d. identified

B

A Class 2 power source that is not suitable for installation in wet locations must be a. limited to 30 volts b. inherently limited c. so marked d. limited to 0.005 amps output

C

A Class I hazardous classified location would be one that contains a. grain dust b. high voltage equipment c. gasoline or gasoline vapors d. fine sawdust

C

A cable tray has a width of 12" and a sidewall height of 8". What is the useable cross sectional area of the cable tray if it is used exclusively for the support of communication cables? a. 72 sq in b. 48 sq in c. 36 sq in d. conduit fill requirements do not apply to communications cables installed in cable tray

C

A class 2 circuit controlling an air conditioning compressor installed outdoors may not be wired with which type of cable? a. cl3, sunlight resistant b. type UF, sunlight resistant c. cl2, sunlight resistant d. pltc, sunlight resistant

C

A power source is connected to a load with 14 gauge solid copper conductors. What is the voltage drop for this circuit? a. 1.15 volts b. 2.45 volts c. 2.30 volts d. 7.58 volts

C

A remote control circuit, as defined by the NEC a. permits electrical equipment to be controlled from a remote location b. is limited to an operating voltage of 30 volts AC or 60 volts DC c. controls any other circuit through a relay or an equivalent device d. must be a class 2 or 3 circuit

C

A request for electrical inspection is no required for which of the following a. class 2 or class 3 circuits that control line voltage circuits or systems that are not located in a residence. b. indoor low voltage lighting systems covered by article 411 c. Low voltage lawn irrigation systems d. fire alarm systems regardless of location

C

A secondary circuit of a low voltage lighting circuit operating at 30 volts or less shall a. be grounded in accordance with the requirements of Article 250 b. be protected by an overcurrent device rated at not more than 20 amperes c. not be grounded d. not be installed closer than 5' to a pool, fountain or spa

C

A series circuit has an electrical rating of 30 volts and 5 amps. How much power is consumed. a. 150 volt amps b. 75 watts c. 150 watts d. 35 volt amps

C

A supply side of a class 2 power source shall be protected by an overcurrent device rated not more than a. 5 amps b. 15 amps c. 20 amps d. 25 amps

C

All splices and joints and the free ends of conductors shall be covered with a. a suitable insulating material b. listed electrical tape c. an insulating device identified for the purpose d. any available insulating material

C

An inverter is typically a device that a. converts dc to a lower voltage dc b. converts ac to a lower voltage ac c. converts dc to ac d. converts ac to dc

C

Any licensee failing to renew a license for____shall be required to retake the exam before being issued a new license. a. one year or more after its expired b. six month or more after its expiration c. 2 years or more after its expiration d. thirty days or more after its expiration

C

As part of the listing, a class 2 or 3 power source must be a. installed using a glass 3 wiring method b. limited to 15 volts AC or 30 volts DC c. durably marked with its electrical rating d. suitable for installation in wet locations

C

Cables of Class 2 Circuits cannot be installed in any conduit or raceway along with a. only where practicable to do so b. power-limited fire alarm circuit cables c. conductors of a Class 1 power limited circuit d. communication circuit cables

C

Class 2 and 3 circuit conductors shall be permitted in the same cable with____ circuits, in which case the class 2 and 3 circuits shall be classified as ____circuits. a. Class 1 safety control b. power-limited fire alarm c. communications d. community antenna television

C

Communications cable shall not be permitted in the same raceway or enclosure with cable of which one of the following a. class 2 remote control circuits for HVAC control b. Power limited fire alarm cables c. Class 1 power limited circuits d. non conductive and conductive optical fiber cables

C

Communications wires and cables installed on the outside surface of buildings shall be separated from power and lighting conductors by a minimum of____ a. 6" b. 4" c. 6' d 2"

C

For purposes of conduit fill, multi conductor cables shall be a. treated as any other conductors, counting all wires in the cable b. installed only in tubular raceway c. treated as a single conductor d. permitted to fill the conduit to 60% of its cross sectional area

C

Low voltage suspended ceiling power distribution systems may be used under the following conditions a. in any indoor location b. for listed utilization equipment capable of operation at a maximum of 30 volts AC or DC c. For residential and commercial applications d. for lighting in general patient care areas of hospitals

C

Outdoor low voltage light circuits and low voltage lighting equipment shall not be installed within____feet of a garden fountain or pool a. 5' b. 6' c. 10' d. 20'

C

PLFA fire alarm system cables shall be supported by the building structure so that the cables will not be damaged by a. the activities of unlicensed or unqualified workers b. excessive building vibration c. normal building use d. activation of the fire protection system

C

The NEC requires that all listed and labeled electrical equipment shall be installed in accordance with any instructions. a. found in NEC b. furnished by the equipment distributor c. included in the listing or labeling d. that include common sense installation practices

C

The copper grounding electrode conductor for a wireless internet antenna shall not be smaller than a. 17 AWG b. 14 AWG c. 10 AWG d. 6 AWG

C

The maximum percent of fill for a nonmetallic wireway is____of the cross sectional area a. 40% b. 60% c. 20% d. 31%

C

The purpose of the NEC is a. for use as a design manual for electrical engineers and master electrician b. to be used as an instruction manual for persons learning to install electrical systems c. the practical safeguarding of persons and property from hazards arising from the use of electricity d. to prevent unqualified persons from doing electrical work

C

This code does not cover the installation of electric conductors, electric equipment, signaling and communications conductors and equipment, and fiber optic cables and raceways for a. installs of conductor and equipment that connect to the supply of electricity b. public premises, including buildings and structures. c. installs of communications equipment under the exclusive controle of communications utilities. d. Private premises, including buildings, structures, mobile home and rec vehicles.

C

Unless permitted by Article 680, 12 volt low voltage landscape lighting equipment and wiring installed near a swimming pool must be kept at least____away from the edge of the pool a. 5' b. 6' c. 10' d. 20'

C

Unused cable or raceway openings in electrical boxes and electrical enclosures a. shall be covered with an insulating material approved for the use b. may be ignored when the voltage on the conductors is 30 volts or less c. shall be effectively closed with a listed device d. may be covered by at least 2 layers of electrical tape

C

What annual fee does a PLT license holder have to pay to renew their personal license? a. $15 b. $40 c. $20 d. $60

C

What equipment is not covered by the term "demarcation" as defined in the MN Electrical Act? a. A hard wired class 2 doorbell transformer b. a plug or cord and plug connected Class 2 power supply c. a communications protector between where the service utility and the premises wiring d. a control panel that is an integral part of a PLFA fire alarm system

C

What is consumed in an electrical current a. amps b. volt amps c. watts d. volts

C

What is the usable cross sectional area of a 1" RMC conduit that will contain only one conductor or cable? a. 0.355 sq in b. 0.220 c. 0.470 d. 0.887

C

Which one of the following statements is true. Conductors of AC or DC circuits rated 600 volts or less shall be permitted to occupy the same conduit if a. the conduit is metal and is not concealed b. all conductors have at least a 600 volt insulation rating c. all conductors have an insulation voltage rating equal to at least the maximum circuit voltage applied to any conductor d. AC and DC conductors are separated by a dividing barrier in the conduit

C

Which one of the following statements would not be correct? ____may be used to connect bonding jumpers and grounding conductors to equipment and enclosures. a. green hex head 1-=32 machine screws b. machine screws that require the use of nuts and washers c. #12 or larger pan head sheet metal screws d. a ground connection point that is part of a listed piece of equipment

C

Which statement is NOT true? Concealed circuits are those that are a. installed in conduit or other raceway concealed in walls b. installed above suspended ceilings c. made inaccessible by the structure or finish of the building d. hidden in finished walls

C

Which statement is not correct. Communications circuits installed as part of a critical operations power system a. may be installed in electrical metallic tubing when encased in at least 2" of concrete for physical protection b. may be installed in rigid metal conduit or intermediate metal conduit c. may be installed in schedule 40 or 80 rigid pvc conduit when encased in at least 2" of concrete for physical protection d. may be installed in jacketed metallic raceways for physical protection

C

A new convenience store will include several gas pumps. Conduits must be run from the pumps to the store for the metering, poing of sale terminal, video and intercom. What statement is correct? a. a listed seal is required at the convenience store and it must be the first fitting after the conduit emerges from the concrete floor b. all conduits require listed seals regardless of where they are installed c. seals are not required for low voltage circuits d. a listed seal is required in the gas pump enclosure and at the convenience store

D

Class 1 power limited circuits shall be supplied from a source having a rated output of not more than a. 30 volts and 100 volt amperes b. 600 volts and 1000 volt amperes c. 60 volts and 100 volt amperes d. 30 volts and 1000 volt amperes

D

Class 2 and 3 circuits may be installed together with electric light and power circuits a. where they are not in a hazardous location b. where they are separated by a suitable insulation c. where they are bundled together with listed cable ties d. where they are separated by a barrier

D

Class 2 circuits must be installed a. in accordance with any installation instructions found in the NEC b. in either metallic or nonmetallic tubing c. following the requirements identified in Chapter 5 of the NEC d. in a neat and workmanlike manner

D

Communications drop wires and cables shall clear the roofs of buildings and structures not less than a. 3' b. 6' c. 18" d. 8'

D

Electric equipment is required by the NEC to be installed in a neat and ____manner. a. efficient b. safe c. orderly d. workmanline

D

For purposes of conduit fill, the cross sectional area of an elliptical shaped cable shall be a. based on the circle using two times the largest dimension of the cable b. determined by multiplying the larger dimension by the smaller dimension c. based on a circle using the largest dimension plus the smallest dimension as a diameter d. based on a circle using the largest dimension of the cable as the diameter.

D

Power limited fire alarm circuits are required to be clearly identified a. at all terminal and junction locations b. if required by the project specifications or by state or local fire codes c. in hospitals and in commercial buildings over three stories above grade d. using cables having an overall jacket that is red in color

D

Raceways may be used as a means of support for other cables or raceways when a. the raceway is available as a convenient means of support b. the raceway contains power supply conductors for electrical equipment c. no other means of support is availablee d. the raceway will support class 2 remote control circuit conductors that are associated with the equipment control circuits

D

Table 1 of Chapter 9 (Percent of Cross Section of Conduit and Tubing for Conductors) applies a. to all conduit and raceway systems b. to conduit and raceway systems that have more than three 90 degree bends c. to communications cables in raceways d. only to complete conduit or tubing systems

D

The approximate area of sq in for a #16 PGF conductor is a. 0.0052 b. 0.0062 c. 0.0058 d. 0.0075

D

The bonding conductor for a cable television service ground block must be run to the nearest point on the electrical grounding electrode system a. only where practicable to do so b. using listed copper wire not smaller than 10 AWG c. using only listed and insulated copper wire d. using listed copper wire not smaller than 14 AWG

D

The conductors and equipment required or permitted by this code shall be acceptable only if a. installed by a licensed electrician b.. approved by a nationally recognized testing laboratory c. made in the USA d. approved by the authority having jurisdiction

D

The mandatory rules of this code can be recognized by the use of the terms. a. shall be permitted or shall not be required b. all code rules are mandatory c. there are no such terms d. shall or shall not

D

The maximum monetary penalty for a violation of the MN Statutes and rules related to electrical work is_____for each violation a. not more than $1000 b. times the minimum inspection fee c. not less than $10,000 d. up to $10,000

D

The maximum percent of fill for a conduit that will contain a cable that has 8 conductors wear each conductor is an 18 AWG THWN is a. 31% b. 40% c. 20% d. 53%

D

The primary protector for a residential communications circuit shall not be a. installed near the cables point of entrance b. bonded to the electrical grounding electrode system c. installed in an indoor location d. installed in the vicinity of easily ignitable material

D

The shield of a CATV coaxial drop cable shall be bonded at the building premises as close as possible to the cables point of entrance, and the bonding conductor or grounding electrode conductor shall not be smaller than a. 6 AWG b. 10 AWG c. 12 AWG d. 14 AWG

D

What conductor fill percentage is to be used for a cable assembly containing 16 #18 awg tfn conductors? a. 31% b. 40% c. 20% d. 53%

D

What is the maximum overcurrent protection permitted on the load side of a class 2 not inherently limited power supply with a rated output of 24 volts? a. 5 amps b. overcurrent protection is not required c. 1 amp d. 4 amps

D

What requirements must be met in order to renew a plt license? a. complete 16 hours of DLI approved cont. education per year b. complete at least 12 hours of the continuing ed on the NEC c. apply to retake the plt license exam d. complete 16 hours of DLI approved continuing ed per renewal perion

D

When a tech system contractor is found to be in violation of NEC requirements or state electrical regulations, who is considered to have primary responsibility? a. the person holding the contractors license b. the individual who actually committed the violation c. there is no primary responsibility d. the responsible PLT

D

When does work on a class 2 circuit require that the individual performing the work be licensed as a PLT a. installing a paging system circuit in an intensive care room of a hospital b. rewiring the air conditioning temp control circuit in a residential dwelling c. Measuring the voltage of a class 2 power source for a sensing unit located in a class 1 hazardous classified location d. installed a fan control circuit that is part of a school HVAC system

D

Which of the following is not considered a tech system as defined by the MN electrical act. a. class 2 circuit monitoring a class II division I hazardous location b. low voltage lighting circuits installed in critical care areas of a hospital c. class 3 circtuit controlling a 480 volt, 3 phase industrial motor d. Class 2 process control circuit

D

Which one of the following statements does not apply to PLFA circuits? a. all splices, connections and terminations shall be made in a listed box or fitting unless the connected device includes an integral enclosure. b. splicing devices shall be listed and labeled and used within stated ratings and instructions c. all enclosures and boxes that have splices or terminations must be identified as part of the fire alarm system d. connections and terminations may be exposed provided they are not concealed by the building finish

D

Working clearance depth in front of a fire alarm panel containing exposed circuits that do not exceed 48 volts DC must be a. working clearance does not apply to low voltage circuits b. at least 2 1/2' c. At least 30" or more d. at least 36"

D