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Cable External Diameter Measurement Standards, Exams of Advanced Education

Catholic University of Eastern AfricaAdvanced Education

Information on the correct measurement standards for the external diameter of cables. It specifies that the correct answer for the cable external diameter is ten feet, measured from the face of the attachment plug to the plane of the rear of the appliance. This is an important consideration for the proper installation and use of electrical cables and appliances. The document likely contains information relevant to electrical engineering, construction, and safety standards related to cable and appliance installation. Further study of this document could provide insights into the technical specifications and best practices for ensuring the safe and effective use of electrical cables and equipment.

Typology: Exams

2023/2024

Available from 08/28/2024

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NEC Final A Exam With 100% Correct
And Verified Answers 2024
Type AC cable is permitted in - Correct Answer-Cable trays and exposed installations
Listed FMC and LFMC shall contain an equipment grounding conductor if the raceway
is installed for the reason of - Correct Answer-Flexibility after installation and minimizing
transmission of vibration from equipment
Cable________ made and insulated by approved methods can be located within a
cable tray provided they are accessible, and do not project above the side rails where
the splices are subject to physical damage - Correct Answer-Splices
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 - Correct Answer-The
electrical supply source
If more than one luminaire is installed on a branch circuit that is not of the multiwire
type, a disconnecting means is not required for every luminaire when the light switch for
the space ensures that some of the luminaries in the space will still provide illumination -
Correct Answer-True
When separate equipment grounding conductors are provided in panel boards,
a___________ shall be secured inside the cabinet - Correct Answer-Terminal bar
An electric-discharge or LED luminaire or listed assembly can be cord connected if the
luminaire is located________ the outlet, the cord is visible for its entire length except at
terminations, and the cord is not subject to strain or physical damage - Correct Answer-
Directly below
If the use of multiple grounding connections results in objectionable current and the
requirements of 250.4(A)(5) or (B)4 are met, it shall be permitted to___________ -
Correct Answer-Any of these
All 15A or 20A, 120V branch circuits that supply outlet or devices in dwelling units,
kitchen, family room, dining room, living room, parlors, library, dens, bedrooms,
sunrooms, recreation room, closet, hallways, laundry areas, or similar rooms or areas
shall be AFCI protected by a listed arc-fault circuit interrupter - Correct Answer-True
At least one wall switch controlled lighting outlet shall be installed in every habitable
room, kitchen, and bathroom of a dwelling unit - Correct Answer-True
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NEC Final A Exam With 100% Correct

And Verified Answers 2024

Type AC cable is permitted in - Correct Answer-Cable trays and exposed installations Listed FMC and LFMC shall contain an equipment grounding conductor if the raceway is installed for the reason of - Correct Answer-Flexibility after installation and minimizing transmission of vibration from equipment Cable________ made and insulated by approved methods can be located within a cable tray provided they are accessible, and do not project above the side rails where the splices are subject to physical damage - Correct Answer-Splices 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 - Correct Answer-The electrical supply source If more than one luminaire is installed on a branch circuit that is not of the multiwire type, a disconnecting means is not required for every luminaire when the light switch for the space ensures that some of the luminaries in the space will still provide illumination - Correct Answer-True When separate equipment grounding conductors are provided in panel boards, a___________ shall be secured inside the cabinet - Correct Answer-Terminal bar An electric-discharge or LED luminaire or listed assembly can be cord connected if the luminaire is located________ the outlet, the cord is visible for its entire length except at terminations, and the cord is not subject to strain or physical damage - Correct Answer- Directly below If the use of multiple grounding connections results in objectionable current and the requirements of 250.4(A)(5) or (B)4 are met, it shall be permitted to___________ - Correct Answer-Any of these All 15A or 20A, 120V branch circuits that supply outlet or devices in dwelling units, kitchen, family room, dining room, living room, parlors, library, dens, bedrooms, sunrooms, recreation room, closet, hallways, laundry areas, or similar rooms or areas shall be AFCI protected by a listed arc-fault circuit interrupter - Correct Answer-True At least one wall switch controlled lighting outlet shall be installed in every habitable room, kitchen, and bathroom of a dwelling unit - Correct Answer-True

Disconnecting means for air conditioning or refrigerating equipment can be installed_________ the air conditioning or refrigerating equipment, but not on panels that are designed to allow access to the equipment and not over the equipment name plate - Correct Answer-On and within 2 answer The insulation temperature rating of conductors and Type NM cable shall be - Correct Answer-90 degrees C Each strap containing one or more devices shall count as a _________ volume allowance in accordance with table 314.16B, based on the largest conductor connected to a device or equipment supported by the strap - Correct Answer-Double Utilization equipment weighing not more than 6 pounds can be supported to any box or plaster ring secured to a box, provided the equipment is secured with at least two___________or larger screws - Correct Answer-No. 6 Threadless couplings approved for use with IMC in wet locations shall be - Correct Answer-Listed for wet locations Type____________ Cable is a factory assembly of conductors with an overall covering of non-metallic material suitable for direct burial in the earth - Correct Answer-UF PVC conduit shall be securely fastened within_________ in. of each box - Correct Answer- For cord-and-plug connected household electric ranges, an attachment plug and receptacle connection at the rear base of the range can serve as the disconnecting means, if it is_____________ and meets the intent of 422.33A - Correct Answer- Accessible from the front by the removal of a drawer Snap switches in listed assemblies are not required to be connected to an equipment grounding conductor if____________ - Correct Answer-All the above _______ are designed for surface mounting and have swinging doors of covers secured directly to and telescoping with the walls of the enclosure - Correct Answer-Cutout boxes Cable tray systems shall not be used_________ - Correct Answer-In hoistways and where subject to severe physical damage (A&B) The disconnecting means for a motor controller shall be designed so that it cannot___________ automatically - Correct Answer-Close The number of conductors permitted in LFNC shall not exceed the percentage fill specified in__________ - Correct Answer-Chapter 9, Table 1

For equipment rated 1200 A or more and over 6 feet wide that contains overcurrent devices, switching devices, or control devices, there shall be one entrance to and egress from the required working space not less than 24 inches wide and________ feet high at each end of the working space - Correct Answer-6&1/2 feet Where attachment to an equipment grounding conductor does not exist in the receptacle enclosure, a non-grounding type receptacle shall be permitted to be replaced with a GFCI type receptacle where supplied through a ground fault circuit interrupt her however some cord and plug connector equipment or appliances require an equipment grounding conductor in are listed 250.114 - Correct Answer-True A dwelling unit containing two 120 V laundry branch circuits has a calculated load of_______volt amps for the laundry circuits - Correct Answer-3, Listed outlet boxes to support ceiling suspended fans that weigh more than_________lb shall have the maximum allowable weight marked on the box - Correct Answer- Ferrous metal raceways and enclosures for grounding electrode conductor shall be bonded at each end of the raceway or enclosure to the grounding electrode or grounding electrode conductor to create a___________ parallel path - Correct Answer- Electrically Conductors are considered outside a building when they are installed___________ - Correct Answer-Any of these (All the above) Transformers in transformer vaults shall be readily accessible to qualified personnel for inspection and maintenance, except__________ - Correct Answer-A or B ____________ shall not be located over the steps of a stairway - Correct Answer-Over- current devices Exposed live parts on the power distribution block are allowed when the junction box cover is removed - Correct Answer-False For grounded systems, electrical equipment and other electrically conductive material likely to become energized shall be installed in a manner that creates a___________ from any point on the wiring system where ground fault may occur to the electrical supply source - Correct Answer-All the above A vertical run of 4/0 AWG copper shall be supported at intervals not exceeding________ - Correct Answer-80 feet Switches and circuit breakers used as switches shall be installed so that they may be operated from a readily accessible place - Correct Answer-True

When one electrical circuit controls another circuit through a relay or an equivalent device, the first circuit is called a___________ - Correct Answer-Remote control circuit Equipment or materials to which a label, symbol, or other identifying mark of a product evaluation organization that is acceptable to the authority having jurisdiction has been attached is known as___________ - Correct Answer-Labeled Listed FMC can be used as the equipment grounding conductor if the linked in any ground return Path does not exceed 6 feet in the circuit conductors contained in the conduit are protected by overcurrent device is rated at_______ or less - Correct Answer-20A Luminaires shall maintain a minimum clearance from the closet storage space of__________ - Correct Answer-All the above A grounded conductor shall not be connected to normally noncurrent caring metal parts of equipment on the side_________ of the system bonding jumper of a separately derived System except as otherwise permitted in article 250 - Correct Answer-Load For a circuit to be considered a multi wire branch circuit, it shall have__________ - Correct Answer-All the above Bends in PVC conduit shall_________ between pull points - Correct Answer-Be limited to 360 degrees Type__________ insulated conductors shall not be subject to the ampacity adjustment provisions of 310.15(B)(3)(c) - Correct Answer-XHHW- For ungrounded systems, ninecurrent carrying conductors materials enclosing electrical conductors or equipment shall be connected to the__________ in a manner that will limit the voltage imposed by lightning or unintentional contact with higher voltage lines - Correct Answer-Earth The terminal of a wiring devices for the connection of the equipment grounding conductor shall be identified by green colored_________ - Correct Answer-All the above The NEC does not apply to electric utility owned wiring and equipment________ - Correct Answer-Consisting of service drops or service laterals The 3VA per-square-foot General lighting load for dwelling units does not include__________ - Correct Answer-All the above Where meeting dissimilar metals, antioxidant materials suitable for the battery connection shall be used where__________ by the battery manufacturer - Correct Answer-Recommended

Edison base fuse holders shall be used only if they are made to except_________ fuses by the use of adapters - Correct Answer-Type S Grounding electrode conductor's or supply side finding jumpers or conductors shall not be permitted within raceways containing service conductors - Correct Answer-False Where type in NM cable is run at angles with joists in unfinished basements and crawlspaces, it is permissible to secure cables not smaller than__________ AWG conductors directly to the lower edges of the joist - Correct Answer-Two,6 & Three, Smooth sheath type MC cable with an external diameter not greater than 3/4 inch shall have a bending radius not more than____________ Times the cable external diameter - Correct Answer-Ten When bare conductors are installed with insulated conductors, their ampacities shall be limited to__________ - Correct Answer-The lowest temperature rating for any of the insulated conductors Search protective devices shall be listed - Correct Answer-True Type TC cable shall be permitted to be direct buried, where_________ for such use - Correct Answer-Identified Luminaires and equipment shall be mechanically connected to an equipment grounding conductor as specified in 250.118 and shall be sized in accordance with___________ - Correct Answer-Table 250. Metal components shall not be required to be connected to the equipment grounding conductor or supply side bonding jumper where the metal components are___________

  • Correct Answer-A or B Type in M cable shall closely follow the surface of the building finish or running boards when exposed - Correct Answer-True When installing auxiliary electrodes, the earth shall not be used as an affective ground fault current path - Correct Answer-True Plug fuses of the Edison base type shall be used only__________ - Correct Answer-As a replacement in existing installations Accepted industry workmanship practices are described in ANSI/NECA 1-2015, Standard for good workmanship in electrical construction, and other ANS I approved installation standards - Correct Answer-True

Nominal battery voltage, as it relates to storage batteries, is the value of a____________Of a given voltage class for convenient designation - Correct Answer- Cell or battery We are ungrounded supply conductors are parallel into her more raceways or cables, the bonding jumper for each raceway or cable shall be based on the size of________ in each raceway or cable - Correct Answer-Ungrounded supply conductors The two to six disconnects for disconnecting means for a building supply by feeder shall be___________ - Correct Answer-Grouped Type USE cable is not permitted for________ wiring - Correct Answer-Interior Listed tamper resistant receptacles shall be provided where replacements are made at receptacle outlets that are required to be tamper resistant elsewhere in this code except where a non-grounding receptacle his placed with __________ receptacle - Correct Answer-Another non-grounding Conductors rated at a temperature____________ they have a list to temperature rating of PVC conduit shall be permitted to be installed in PVC conduit, provided the conductors are not operated at a temperature above the raceways listed temperature rating - Correct Answer-Higher Auxiliary grounding electrodes can be connected to the_________ - Correct Answer- Equipment grounding conductor All appliances operating at_________ Or more shall be listed - Correct Answer-50V In a dwelling unit, illumination for outdoor entrances that have grade level access can be controlled by_________ control - Correct Answer-Any of these Separately installed pressure connector shall be used with conductors at the________ not exceeding the ampacity at the listed and identified temperature rating of the connector - Correct Answer-Ampacities A clothes closet is defined as a_________ room or space intended primarily for storage of garments and apparel - Correct Answer-Nonhabitable The total marked rating of a cord and plug connected room air conditioner connected to the same branch circuit which supplies lighting units other appliances or general use receptacles shall not exceed ______________ percent of the branch circuit rating - Correct Answer- A vertically mounted luminaire weighing not more than__________ lb can be supported to a device box or plaster ring with no fewer than two No. 6 or large screws - Correct Answer-