1. _______ is not considered an effective ground-fault current path. a) Ground b) Equipment grounding conductors c) Equipment bonding jumpers d) Grounded conductors
Q: 23. A grounding conductor helps prevent a shock hazard in the event that an ungrounded, or hot,…
A: The explanation is as follows.
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: Expansion fittings and telescoping sections of metal raceways shall be made electrically continuous…
A: In Bonding loosely jointed metal raceways, grounding electeode and grounded current carrying…
Q: The NEC requires the grounded conductors to be routed to the service disconnecting means enclosure…
A: According to the NEC article code 250.186 (B), "System with a grounded conductor at the service…
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: If multiple grounding connection result in objectionable current, which of the following alteration…
A: Given: If multiple grounding connections result in objectionable current, which of the following…
Q: 1. Circuit breakers should be included in the impedance diagram. (True/False)
A: SINGAL LINE DIAGRAM OF A POWER SYSTEM: A single line diagram is the representation of a power system…
Q: On your own understanding, what is solid wire conductor and stranded wire conductor and where are…
A: The explanation is as follows.
Q: an unintentional electrically conducting connection between and ungrounded conductor of an…
A: The fault occurs due to connection between the ungrounded conductor and the metallic raceways,…
Q: Describe what the following conductor designation means when it is printed on the insulation;…
A:
Q: 11. Which of the following statements about the use of structural steel as an equipment grounding…
A: We are authorized to answer the first question since the exact one wasn’t specified. Please submit a…
Q: 8- Generally as of the operating voltage which of the following options are the correct words that…
A:
Q: 7. What is the object of equipment grounding? Briefl y describe the functions of substation…
A: The object of equipment grounding: To reduce as much as possible the emergence of any voltages in…
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: ___ of current-carrying portions of a system. The principal reason is to limit the voltage between…
A: We have to discuss about current-carrying portions of a system at the time of fault.
Q: Which of the following is not a criteria for the mechanical design of an overhead line? O Minimum…
A: over head lines are designed based on distance between conductor and earth , tensile stress ,…
Q: 1) What is the allowable ampacity of a single #2 THHN conductor that is installed in a conduit with…
A: It is asked to find the the allowable ampacity of a single #2 AWG THHN conductor that is installed…
Q: QUESTION 5 a) What is the difference between neutral and earth? b) Differentiate between…
A: In a three phase system, there are two ways to connect a three phase load. Star/Wye Connection.…
Q: A(n) _________ is a reliable conductor used to ensure the required electrical conductivity between…
A: The explanation is as follows.
Q: Please answer the question full sentence 5. Identify the minimum distance requirements between…
A: The minimum distance between the network cable and power sources is 50 millimeter or 2 inches.
Q: To interconnect grounding electrode and form grounding electrode system, connect the________ to a…
A: The bonding jumper is used to interconnect the grounding electrode and form a grounding electrode…
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: n an ungrounded electrical systems with conductors installed in grounded metal raceways and…
A: In an ungrounded electrical system, there is no direct connection with the grounding electrode.…
Q: Restrictions on types of conduits used for installing service, sub panel, emergency service panel.
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
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: recommended the testing of wiring installations for domestic load
A: A
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: Exposed non-current-carrying metallic parts of electrical equipment must be grounded if installed…
A: The given code is related to the National Electricity code (NEC) 410.10(D) Bathtub and Shower Areas.
Q: Some electricians do not bother to calculate the minimum size of neutral service conductor. They…
A: 3-phase star connection balanced system does not require a neutral wire in the system. Basically, in…
Q: A protective conductor connecting exposed conductive parts of equipment to the main earthing…
A: In earthing a conductor is used to connect the exposed conductive parts(metallic parts) of various…
Q: What is solid grounding? For an underground neutral system explain the circuit behavior under single…
A: Solid grounding: The solid grounding refers to a situation in which the power system equipment like…
Q: . A grounded circuit conductor and the equipment grounding conductor should always be joined at the…
A: Choose the correct option A grounded circuit conductor and the equipment grounding conductor should…
Q: A set of conductors is used to supply residential unit with a total load current of 60 A at a…
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: 7. The size of the supply-side bonding jumpers for each of the individual raceways in the parallel…
A: NEC: NEC stands for National Electric Code. It is a regulatory body that set standard for safety…
Q: 13. If the largest ungrounded service-entrance conductor for a service is 750-kcmil copper, what is…
A: Choose the correct option, If the largest ungrounded service-entrance conductor for a service is…
Q: 18. It's critical to ground-fault protection of equipment system functionality that the _______ be…
A: It's critical to ground-fault protection of equipment system functionality that the ground…
Q: A grounding-fault current path is an electrically conductive path from a point of a line-to-case…
A: The solution is given below A grounding-fault current path is an electrically conductive path from…
Q: Identify and describe the step-by-step process used to install cable in the NCT Colledge buildings
A: according to question, Identify and describe the step-by-step process used to install cable in the…
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: 15 A certain type of Suspension Type Insulator is used to sustain heavy tensile loads of conductors…
A: Given that Suspension type insulator is used to sustain heavy tensile loads of conductors when the…
Q: What are sets of service-entrance conductors?
A: Since three questions are present and nothing is mentioned, as per the guidelines, in the following…
Q: The voltage drop percentage for a panel feeder with a no continuous load of 180A, using 3/0 THWN…
A: Given data, A 3/0 THWN copper conductors at 480 V Length, L=248' Load current, I=180 A
Q: If a grounding electrode conductor is connected at the first system disconnecting means or…
A: As per the NEC [250.30(A)(3)], the system bonding jumper can be either installed at the separately…
Q: Why do multiple conductors in dc, 1-phase, and 3-phase power cables not disturb the magnetic compass…
A: Multiple conductors in DC, 1- phase, or 3 phase power cables do not disturb the magnetic compass…
Q: List the type of insulators most suited for corners and bends. What is the purpose of connecting…
A:
Q: When expansion fittings are installed in a run of metallic raceway, the electrical continuity and…
A: Bonding conductor or jumper is a reliable conductor that ensures the required electrical…
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 conductor
Step by step
Solved in 2 steps
- 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.h.1. In an alternating-current system, the maximum size for a copper grounding electrode conductor isA. 250 kcmil.B. 3/0.C. 500 kcmil.D. 4/0. h.2. The figure shows a fault condition in an ungrounded electrical system. Which of the following will occurbecause of the fault in this system?A. Only the overcurrent protector at Point A will trip open.B. The ground fault will heavily damage the service.C. Nothing will happen until a second ground fault occurs.D. The overcurrent protection will trip, shutting off all the line side power.
- 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 termination1. 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.12. Which of the following statements about ground faults is true?A. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.B. They usually occur between any grounded circuit conductor and the equipment grounding conductor.C. They can't result from human error.D. They're often normal and typically intentional.
- 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-likea) Classify the four categories of 3 phase power system faults we experience in our electrical power industry. b) Explain the emergence of such power systems fault as required in (question 1a)? c) Point out each type of fault specified under (a). d) Produce the (1D) design of the three-phase star connected faults stated under(b)
- [Fill-in-the-blank] in dwelling units shall supply only loads within that dwelling unit or no loads associated only with that dwelling unit. Select one: a. None of these b. Ground-fault protection c. Service-entrance conductors d. Branch circuitsWhat are the possible faults in underground cables. Illustrate the methods of fault localization.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…