Restrictions on types of conduits used for installing service, sub panel, emergency service panel.
Q: 4. What terms describes an overcurrent protective device having an interrupting rating in compliance…
A: According to article 110.9 of the NEC, Circuit breaker describes an over-current protective device…
Q: Identify the minimum distance requirements between network cables and power sources and identify…
A: Cable is the medium in a network through which information moves from one network device to another.…
Q: The grounded circuit (system) conductor is generally not permitted to be used to ground equipment on…
A: Given, The grounded circuit (system) conductor is generally not permitted to be used to ground…
Q: A bolted line to line short circuit is used to determine the thermal withstand rating of the cables…
A: The power system has to transmit power from the generation side to the load side. For this purpose,…
Q: For installing directly in a concrete slab, (armored cable), (non metallic-sheated cable), (rigid…
A: For installing directly in a concrete slab Rigid metal conduit (RMC) can be used. A rigid metal…
Q: If a 1 1/4-in. EMT raceway containing three conductors is already filled to 20%, what is the…
A: Need to find cross sectional area of raceaway
Q: Describe what the following conductor designation means when it is printed on the insulation;…
A:
Q: 2. Identify and explain the safety procedures and precautions when working with tools and…
A: Electrical cables are used for sending signals and also for long distance communication. There are…
Q: 17. In an air compressor system, the distribution piping can be bonded using the A. equipment…
A: Dear student as per our guidelines we are supposed to solve only one question.kindly repost other…
Q: When testing the twisted pair cable through cable tester, if the LED lights are jumping back and…
A: Cable Tester- Cable tester is a device which is used to test a cable. Cable tester detects the…
Q: The frames of ranges, wall-mounted ovens, counter-mounted cooking units, and clothes dryers under…
A: Materials that allow current to flow through them are called conductors. The materials that do not…
Q: 8- Generally as of the operating voltage which of the following options are the correct words that…
A:
Q: Which of the following statements about equipment grounding conductors (EGCs) is true? A. The…
A: Statement about the equipment grounding conductors (EGCs)
Q: 10. Which of the following statements about ground faults is true? A. They usually occur between any…
A: Ground faults: It happens when an energized conductor develops an accidental contact with the…
Q: If overcurrent protection is not provided at the source of a separately derived system, the…
A: All ordinarily conductive non-current-carrying metal parts and other conductive materials are…
Q: Which of the following would help avoid the choke effect in grounding electrode conductors? A.…
A: The correct option is B that us using an appropriate PVC(POLY VINY CHLORIDE) CONDUIT WILL AVOID…
Q: The equipment grounding conductor of a grounding-type receptacle or a branch-circuit extension is…
A: True, The equipment grounding conductor of a grounding-type receptacle or a branch-circuit extension…
Q: 2.a. What's defined as an assembly consisting of a service raceway, guy wires or braces, service…
A: 2.a. Drip loops are used for preventing rainwater and moisture. Thus this is not a suitable…
Q: Which of the following statements about equipment grounding conductors is true? A. Unacceptable…
A: Correct option is B that is ELECTRIC GROUND CONDUCTORS must be capable of withstanding the higher…
Q: List the methods by which an equipment grounding conductor is connected to a device box
A:
Q: Which of the following is an approved disconnecting means for a feeder or branch circuit supplying a…
A: The disconnecting means for a feeder or branch circuit supplying a separate building or structure is…
Q: A conductor with continuous white or gray covering shall be used only for the grounded circuit…
A: According to article NEC 200.6, the facts about the identification of the Grounded conductors are…
Q: 10.a. Which of the following is a condition of the exception that allows the grounded conductor of…
A: According to guidelines we need to solve only first question. According to the question we have to…
Q: Define line of support
A: The line support in terms of electrical energy is defined below: - The various kinds of structure…
Q: Identify and describe the step-by-step process used to install cable in the NCT Colledge buildings?…
A: According to the question we need to Identify and Identify and describe the step-by-step process…
Q: What type of bonding jumper connects the grounded circuit conductor and the equipment grounding…
A: In a power system , Main bonding jumper connects the grounded circuit conductor and the equipment…
Q: How many conductor volume allowances should be applied for the equipment grounding conductors in the…
A: We need to answer how many conductor volume allowances should be applied for the equipment grounding…
Q: It is not possible to locate electrical equipment in less-hazardous areas, or in nonhazardous…
A: Hazardous sites are defined in electrical and safety engineering as places where there is a risk of…
Q: If a separate, wire-type equipment grounding conductor (EGC) is used for any reason, the EGC of a…
A: Equipment grounding Equipment grounding includes exposed conductive parts which can get energized.…
Q: 45. What section of the Code prohibits the use of sheet metal screws as a means of attaching…
A: As per the bartleby policy you can ask one question at a time so please ask other questions a…
Q: What type of electrical conductor is used for underground applications?
A: Type SE or USE cables are used for underground application. This contain two or more conductors, is…
Q: Q.12 What provides branch-circuit protection, and where is it located? Select one: A. BREAKERS…
A: 12. A fuse is an electrical gadget used to shield the circuit from overcurrent. It comprises a…
Q: Determine the Primary Conductor Size (include the AWG size number), Secondary Conductor Size…
A: P= 90 KVA Three phase transformer 400/230 V
Q: Which of the following is an installation requirement for the grounding electrode conductor in a…
A: ANSWER - (A,C,D) is correct EXPLANATION- Option (A)- Grounding…
Q: procedures
A: Explanation: The safety procedures and precautions to be taken when working with tools and…
Q: List the minimum service drop clearances required by the NEC in the following residential…
A: The minimum service drop clearance required by the NEC (120 V/240 V) for the following residential…
Q: In an ungrounded electrical systems with conductors installed in grounded metal raceways and…
A: In an ungrounded system, the system has no direct connection with the grounding electrode. When the…
Q: Which type of cable would you use to connect two buildings in an office installation? A. Buried…
A: Given & to find: Which type of cable would you use to connect two buildings in an office…
Q: A set of conductors is used to supply residential unit with a total load current of 60 A at a…
A:
Q: Where insulated conductors are deflected within a wireway, either at the ends or where conduits,…
A:
Q: of p o How many conductors enter the ceiling fan/light wall box? Switch ond out let boxes s tirst…
A: We are authorized to answer one question at a time since you have not mentioned which question you…
Q: 14. If the total circular mil area of the largest ungrounded service-entrance conductor for a…
A: Explanation: The equivalent area of four ungrounded paralleled 500 kcmil conductors is 2000 kcmil.…
Q: Which of the following criteria is correct for the electrical design of the overhead line? O Tensile…
A: Need to find the criteria for Electrical design of overhead line
Q: A? Conductor is defined in NEC 240.2 as a conductor, other than a service conductor, having…
A: The article 240.2 determine the current limiting of the over current protective device is used to…
Q: How many 14 AWG THHN conductors, including an equipment grounding conductor, can be installed in a…
A: Here we have to refer standard tables, When determining the maximum number of conductors permitted…
Q: The wording that I am running into with questions such as "The number of conductors required to be…
A: The number of conductors required to be installed between three-way and four-way switches is white…
Q: The copper line with a total length of 20 meters operates in the 220 volt city network. If three…
A:
1)Restrictions on types of conduits used for installing service, sub panel, emergency service panel.
2Requirements for underground or overhead services.
3Type of protection requirements for raceways containing conductors (i.e.conductor sizes).
4Temperature correction factors associated with installation. 8. Voltagedropconsiderations
Step by step
Solved in 3 steps
- Define an equipment grounding conductor.1. Which of the following statements about equipment grounding conductors is true?A. Unacceptable equipment grounding conductors include conduit, tubing, and cable armor.B. They must be capable of withstanding the higher level of ground-fault current to perform their safety function.C. They increase voltages above ground potential on conductors and equipment enclosures during normal operation.D. When they're far from their associated circuit conductors, impedance values are kept as low as possible during ground-faultconditions.7.B. The size of a grounding electrode conductor for a service or separately derived system is generally basedon the size of the largestA. ungrounded supply conductor.B. equipment grounding conductor.C. grounded electrode.D. bonding jumper.7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate.
- c.1. Which of the following is one of the three essential functions of an equipment grounding conductor?A. Provide an arc-fault current pathB. Establish groundingC. Establish bondingD. Ensure the system is groundedc.2. What's another name for the three-point method of Earth resistance testing?A. Fall-of-potentialB. Line surgeC. Spatial shieldingD. Leakage current c.3. If the National Electrical Code provides a requirement to ground equipment, it generally implies thatthere will be a direct connection to the Earth of a connection through a/anA. grounding electrode conductor.B. equipment grounding conductor.C. equipotential bonding conductor.D. bonding conductor.1. _______ is not considered an effective ground-fault current path. a) Ground b) Equipment grounding conductors c) Equipment bonding jumpers d) Grounded conductors 2.Which of the following is not a conductor in the grounding and bonding scheme for an ungrounded system? a) Grounding electrode conductor for grounding equipment enclosures and conductive parts b) Equipment grounding conductor c) Bonding conductors or jumper d) System grounded conductor3. With respect to conductor insulation, describe the following location ratings: a. Dry b. Damp c. Wet
- Count the neutral conductor of a 4-wire, 3-phase, wye-connected circuit when the major portion of the load is electric discharge lighting (fluorescent, mercury vapor, high-pressure sodium, etc.), data processing, and other loads where the neutral conductor carries a. grounding b. traveler C. d. current. third harmonic unbalanced conductors to overheat but often overlooked is the possibility ofA? Conductor is defined in NEC 240.2 as a conductor, other than a service conductor, having overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors that are not taps. A. Faulted b. Tap c. Magnetic d. Copper-likeThe three bus-bar conductors in an outdoor sub-station are supplied by units of post insulators. Each unit consists of a stack of 3-pin insulators fixed one on the top of the other. The voltage across the lowest insulator is 8-45 kV and that across the next is 7-25 kV. Find the bus-bar voltage of the station.
- 9. Which grounding method is typically required of higher-voltage systems? A. Grounding through inductorsB. Grounding through a low amount of resistanceC. Grounding through a high-impedance device D. Grounding through surge arresters 10. Which term relates to the conductors connected to the output side of a separately derived system? A. Neutral conductorB. Transformer secondary conductorC. System conductor D. Derived phased conductor 11. If there's no service disconnect at a remotely supplied building, then the grounding electrode conductor and the equipment grounding conductor can be bonded together at a A. junction box.B. structural steel location. C. grounding electrode rod. D. water line. 12. In a DC system, the bonding jumper between the negative of the supply and ground is normally made at the source or at the A. first disconnecting means. B. first device on the supply. C. end of the DC line.D. entrance to the building. 13. Which of the following is a common raceway…A set of conductors is used to supply residential unit with a total load current of 60 A at a single-phase supply voltage of 230 V. What would be the minimum size of the conductor to be used to achieve at least 5% voltage drop? The total conductor length is 300 ft. ..2.a. What's defined as an assembly consisting of a service raceway, guy wires or braces, service head, andany fittings necessary for the termination and support of overhead service conductors?A. Drip loopB. Service lateralC. Service dropD. Service mast 2.b. What's likely to happen when connected parallel conductors are different lengths?A. An NEC violationB. Misidentification of conductor cablesC. An uneven distribution of currentD. Conductor termination