mast-type service entrance
Q: What is a receptacle? What is meant by “service drop”? What are sets of service-entrance…
A: As per the guidelines given, we can only provide the solution of one question in multiple type of…
Q: Explain this diagram for dummy
A: The given circuit is as shown below,
Q: Type UF cable, buried underground, fed from a 15-ampere, ground-fault circuit interrupter at a…
A: As stated by National Electric Code(NEC),the maximum cover of UF cable or the maximum burial depth…
Q: What wiring methods are used for Feeder Bus System?
A: The method for wiring the feeder bus system is as follows; 1. Enclosure feeder bus system; -…
Q: Access to and egress from refer to the actual working space requirements about electrical equipment,…
A: Access to and egress from referring to the actual working space requirements about electrical…
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: A service disconnection means must be installed adjacent to, within sight of, and no more than…
A: According to question we have to discuss about A service disconnection means must be installed…
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: What is the purpose of circular boxes in the layout conduit
A: There are different types of accessories that are connected with PVC conduit. Those are coupler and…
Q: homeowner wants to add 12 general-purpose receptacle outlets to the electrical drawings before the…
A: Please refer the attached images for the complete answer..
Q: When used as service equipment, a panelboard (load center) must be ______________________ that is…
A:
Q: Question 5 If a building or structure is supplied by a feeder from an outdoor separately derived…
A: Given statement, If a building or structure is supplied by a feeder from an outdoor separately…
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: draw a block diagram of the jumpers connected to the front panel of a computer system unit
A:
Q: a Explain the procedure for preventing an overload or a short circuit in a domestic wiring b. What…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: What is the minimum branch circuit wire size that may be installed in a dwelling?
A: Basically, the 14 AWG wiring is used for typical lightening loads in the residence.
Q: 3. All exposed noncurrent-carrying metal parts of an information technology system shall be to the…
A: All the exposed noncurrent carrying metal parts of an information technology system shall be bonded…
Q: - The figure below shows the structure of which busbar? If CBF has occurred, please explain how many…
A:
Q: draw a schematic diagram of the jumpers connected to the front panel of a computer system unit.
A: Jumpers allow the computer to shut down the electrical circuit, allowing electricity to flow to…
Q: In your own words and from your own understanding, avoid plagiarism or copying from the Course…
A:
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: 6. Which of the following is a condition that a liquidtight flexible metal conduit must meet in…
A: Given :few mcqs on flexible metal conduit
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: the attached
A: Given: a) Write down the equation of 1st order Transfer Function in standerd form and the unit step…
Q: Where a building or structure is suplkied by more than one service, or a combination of branch…
A: By National Electrical Code (NEC), Article 225, there were a simple and fair way to install a…
Q: single-pole portable cable connectors for a portable switchboard on stage, where used, shall be…
A: single-pole portable cable connectors for a portable switchboard on stage, where used, shall be…
Q: In selecting the service entrance size, what should be considered?
A: The power system has to transmit power from the generation side to the load side. For this purpose,…
Q: Four No. 12 and four No. 10 conductors are to be installed in a EMT conduit. What size EMT conduit…
A: Conductors size is selected on the basis of assigned numbers. As the assigned number increases then…
Q: How does rise in voltage at the receiving end of an open circuited line depend upon the length of…
A: Given:-
Q: The ends of conduit must be reamed and entries to boxes and accessories must be bushed in…
A: A conduit is a tube for protecting electric wiring. it generally made of various material like PVC ,…
Q: The point of attatchment of the service drop conductors to a building must not be less than ______…
A: The point of attachment of the service drop conductors to a building must not be less than 10 feet.…
Q: Write down three situational questions and behavioral questions each to be asked while interviewing…
A: Write down three situational questions and behavioral questions each to be asked while…
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: Plans require the installation of surface-mounted fluorescent luminaires on the ceiling of a…
A: As per the NEC surface-mounted fluorescent luminaires that are to be installed on the low-density…
Q: Why are flashing light warning units used
A:
Q: The air interface connecting phones, antennas, and towers in mobile networks is completely devoid of…
A: Mobile Backhaul:- The transport network that links the mobile network's core network and RAN (Radio…
Q: Briefly discuss the loaded and non-loaded telephone cables
A: Loading is the process to increase inductance of line by adding lumped inductors atpredefined…
Q: S. The general receptacle spacing requirements for all dwelling units are located in Section of the…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
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: Is it okay to use a cable tray for the horizontal path of telephone lines to their specific outlets?…
A: EMT conduit size (inch) Number of cable 1 4 1-1/4 6 1-1/2 8 2 14 2-1/2 17
Q: A line has a rated current of 1,000 A. Assume that a relay (with a rated current of 5A) is connected…
A: In this question we need to find secondary pickup current in per unit .
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: draw a pictorial/wiring diagram of the jumpers connected to the front panel of a computer system…
A: The Front Panel Connections, also known as the Front Panel Header or FPanel, are a collection of…
Q: Draw the block diagram of staircase ramp type digita oitmeter and explain the same.
A: consider the given question;
A ______ is a raceway containing the service entrance conductors that is run through the roof of a building to a height sufficient to obtain the necessary clearances for the service-drop conductors.
a. service lateral
b. mast-type service entrance
c. service point
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 1.A. When a grounding electrode conductor is connected to the grounded conductor within a serviceequipment enclosure, it's required to be connected to the _______ terminal bus.A. service bonding jumperB. equipment groundingC. grounded conductorD. main bonding jumper1.B. The grounding electrode conductor for a DC system will have that conductor sized no smaller than_______ AWG aluminum.A. 8B. 6C. 10D. 121.C. What are the two key aspects of the installation of the grounding electrode conductor?A. Sizing and protectionB. Bonding and accessibilityC. Materials and placementD. Location and safety- Loads, Service, and Overcurrent Protection 6.a. The general lighting load is based on a _______ per square foot basis.A. kilowattB. number of circuitsC. volt-ampereD. general illumination6.b. What's the primary disadvantage of using copper conductors?A. AvailabilityB. WeightC. CostD. Durability11. Specific rules apply for the installation of _______, but no identification requirements for them exists.A. grounding electrode conductorsB. grounding electrodes.C. main bonding jumpers.D. equipment grounding conductors.
- 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. The only exception to the need for all information technology equipment to be satisfactorily grounded is where the equipment is A. DC powered.B. backup generator powered. C. double-insulated.D. isolated equipment. 2. Which section of the National Electrical Code lists sizing requirements for wire-type equipment grounding conductors? A. 250.66 B. 250.118 C. 250.4 D. 250.122 3. Which of the following statements about grounding electrical equipment is true?A. If no wire-type equipment grounding conductors are present with the branch circuits, the equipment grounding terminal bar isn't required.B. Grounding electrical equipment increases the possibility of metal parts remaining energized.C. The nonmetal parts of some electrical equipment are required to be connected to an equipment grounding conductor. D. Equipment grounding conductors can be spliced together outside of a grounded metal box. 4. Which of the following is a condition that must be met in order to qualify for the exemption…Raceways shall not be used as a means of support for Class 2 conductors except under the provisions of _____. A. NEC 300.16(A)B. NEC 300.13(A)C. NEC 300.11(C)(2)D. NEC 300.15(B)
- 19. What size copper bonding jumper must be used in an AC electrical system that has 500 kcmil copper phase conductors? A. 4/0 B. 1/0 C. 2/0 D. 3/0 20. A neutral disconnect link is usually in the form of a _______ in larger service equipment. A. screwB. wireC. clamp D. busbarequipment grounding 1. The only exception to the need for all information technology equipment to be satisfactorily grounded is where the equipment is A. DC powered.B. backup generator powered. C. double-insulated.D. isolated equipment. 2. Which section of the National Electrical Code lists sizing requirements for wire-type equipment grounding conductors? A. 250.66 B. 250.118 C. 250.4 D. 250.122To interconnect grounding electrode and form grounding electrode system, connect the________ to a busbar. A. Neutral Disconnect link and their grounding electrode conductor B. Grounding electrode conductor and their bond jumpers C. Bounding jumpers and their equipment grounding conductors D. Equipment grounding conductors and their neutral Disconnect link
- Equipment Grounding 10. Which of the following statements about ground faults is true?A. They usually occur between any grounded circuit conductor and the equipment grounding conductor. B. They're often normal and typically intentional.C. They can't result from human error.D. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.Flexible metal conduit (FMC) is a raceway of circular cross section made of ____. Select one: A. INTERLOCKING METAL AND PVC CONGLOMERATE B. PVC LAMINATED STEEL C. HELICALLY WOUND, FORMED, AND INTERLOCKED METAL STRIP D. CONCENTRICALLY WOUND ALUMINUM ALLOYA multiconductor cable, optical fiber cable, or flexible cords of two or more conductors is treated as ____ for percentage conduit fill area calculations. Select one: A. A NEUTRAL NODE B. THREE CONDUCTORS C. TWO CONDUCTORS D. A SINGLE CONDUCTOR