7. Which chapter of the National Electrical Code covers communications systems installations and equipment, which have grounding and bonding rules that provide different safety benefits? A. Chapter 5 B. Chapter 6 C. Chapter 8 D. Chapter 7

14. If the total circular mil area of the largest ungrounded service-entrance conductor for a service is 2000-kcmil copper, what is the minimum size required for a wire-type main bonding jumper for the service? a) 4/0 AWG copper b) 250-kcmil copper c) 350-kcmil copper d) 500-kcmil copper       15. The minimum-size grounded conductor for a service supplied by a grounded system shall not be smaller than the minimum size required for a(n)______. a) Equipment grounding conductor b) System bonding jumper c) Ungrounded conductor d) Grounding-electrode conductor    Note: answer both the questions with proper explanation. As per bartleby honor code I can submit 3 questions. So please answer both

19. Which of the following is exempted from the National Electrical Code's strict grounding requirementsfor equipment?A. Frames of electrically heated appliances that are temporarily insulated from groundB. Equipment that's located in a wet or damp location and isolatedC. Distribution apparatuses mounted on wood poles that are less than eight feet tallD. Insulation that's used as a substitute for grounding and offers equal and effective safety by using double-insulated equipment

13. If the largest ungrounded service-entrance conductor for a service is 750-kcmil copper, what is the minimum size required for a wire-type main bonding jumper for the service? a) 2/0 AWG copper b) 1/0 AWG copper c) 3/0 AWG copper d) 1 AWG copper   14. If the total circular mil area of the largest ungrounded service-entrance conductor for a service is 2000-kcmil copper, what is the minimum size required for a wire-type main bonding jumper for the service? a) 4/0 AWG copper b) 250-kcmil copper c) 350-kcmil copper d) 500-kcmil copper   15. The minimum-size grounded conductor for a service supplied by a grounded system shall not be smaller than the minimum size required for a(n)______. a) Equipment grounding conductor b) System bonding jumper c) Ungrounded conductor d) Grounding-electrode conductor

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. 7.b. Which of the following is required with a low-voltage incandescent lamp that's operating on a standardservice?A. PhosphorsB. Argon gasC. A step-down transformerD. A ballast 7.a. The ordering code for a large incandescent lamp provides information on theA. lamp power requirement, bulb type and size, and sometimes lamp color.B. lamp power requirement, bulb size and special features, and sometimes filament type.C. lamp voltage, bulb type and size, and sometimes lamp color.D. lamp voltage, bulb size and special features, and sometimes filament type.

The term "____" is defined in NEC® Article 100 as "connected to establish electrical continuity and conductivity." Select one: A. BENDED (BENDING) B. BONDED (BONDING) C. SHUNTED (SHUNTING) D. GROUNDED (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. 250.122 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…

4 Describe the various methods of laying underground cables. What are the relative advantages anddisadvantages of each method?

3.a. There may be installations where grounded conductors of different systems are installed within the sameraceway, cable, or box. In these cases, it's imperative that the system-grounded conductors remainA. spliced.B. disconnected.C. separated.D. buried.3.b. In dwelling units, the maximum allowable voltage between conductors that supply lighting fixtures isA. 220 V.B. 120 V.C. 115 V.D. 110 V.

The purpose of Informative Annex H is toA. safeguard persons and property from hazards arising from the use of electricity.B. list the requirements for the removal of wiring and systems.C. provide a set of administrative and enforcement provisions that supplements the Code. D. explain the process of mandatory plan design review.