NEC Code Prep Quiz 10 Straight Order [90.1-820.133]
3. Buildings/structures containing both utility service and a PV system shall have a _____ installed in accordance with 705.10.
690.56(B) plaque or directory
4. A(n) ______ surge protection device shall be installed in or on the fire pump controller.
695.15 listed
8. Emergency circuits shall be permanently marked so they will be readily identified as a component of an emergency circuit or system and receptacles supplied from the emergency system shall have a(n) color or marking on the receptacle cover plates or the receptacles.
700.10(A) distinctive
7. Emergency circuits shall be permanently marked so they will be readily identified as a component of an emergency circuit or system and ______.
700.10(A)(1) and (2) all boxes and enclosures (including transfer switches, generators, and power panels) for emergency circuits shall be permanently marked as a component of ana emergency circuit or system.
9. If wiring from an emergency source is used to supply emergency and other loads, then ____ switchgear sections or switchboard sections, with or without a common bus or individual disconnects mounted in separate enclosures shall be used to separate emergency loads from all other loads.
700.10(B)(5)a separate vertical
10. Wiring from an emergency source to supply emergency and other (nonemergency) loads shall be permitted if the common bus or separate sections of the switchgear, separate sections of the switchboard, or the individual enclosures are supplied by single or multiple feeders _____.
700.10(B)(5)b(i) and (ii) without over current protection at the source and with overcurrent protection, provided that the overcurrent protection that is common to an emergency system and any nonemergency system(s) is selectively coordinated with the next downstream overcurrent protective device in the nonemergency system(s)
11. Batteries for unit equipment for emergency systems shall be of suitable rating and capacity to supply and maintain the total lamp load associated with the unit for a period of at least _____ hour(s) without the voltage falling below 87 1/2 percent of normal battery voltage.
700.12(F)(2)(1)(a) 1 1/2 hours
12. Batteries for unit equipment for emergency systems shall be of suitable rating and capacity to supply and maintain the total lamp load associated with the unit and the unit equipment shall supply and maintain not less than _____ percent of the initial emergency illumination for a period of at least 1 1/2 hours.
700.12(F)(2)(1)(b) 0.6
5. Emergency system equipment shall be maintained in accordance with ________.
700.3(C) manufacturer instructions and industry standards
6. Where used for emergency systems, the short-circuit current rating of the transfer equipment, based on the specific overcurrent protective device type and setting protecting the transfer equipment, shall be field marked on the ______ of the transfer equipment.
700.5(E) exterior
14. The branch-circuit overcurrent devices for legally required standby systems shall be accessible only to ______.
701.25 authorized persons
13. A written record shall be kept of required tests and maintenance on legally required standby systems.
701.3(D) TRUE
21. One example of the use of cables for Class 2 or Class 3 circuits that transmit power and data is the connection of closed-circuit TV cameras (CCTV)
725.144 Note 1 TRUE
22. The 8P8C connector is in widespread use with powered communications systems using Class 2 or Class 3 circuit sand these connectors are typically rated at _____ maximum.
725.144 Note 2 1.30A
19. The requirements of Parts I and III of Article 725 and 300.11 shall apply to Class 2 and Class 3 circuits that transmit power and data.
725.144 TRUE
20. The conductors for Class 2 and Class 3 circuit that carry power for the data circuits shall be copper and the current in the power circuits shall not exceed the current limitation of the _____.
725.144 connectors
18. The requirements of 725.144(A) and (B) shall apply to Class 2 and Class 3 circuits that transmit _____ to a powered device.
725.144 power and data
24. One example of the use of Class 2 cables is a network of closed-circuit TV cameras using 24 AWG, 60 degrees C rated, Type CL2R, Category 5e local area network (LAN) cables.
725.144(A) Note TRUE
36. Cables used in power-limited fire alarm systems shall have a voltage rating of not less than _____.
760.179© 300V
37. Cables used in power-limited fire alarm systems shall have a temperature rating of not less than ______.
760.179© 60 degrees C
32. ______ fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 760.135(B) and 300.22(B) Ex, shall be permitted to be installed inducts specifically fabricated for environmental air.
760.3(B) Ex 1 power-limited
33. _____ fire alarm cables selected in accordance with Table 760.154 and installed in accordance with 760.135© shall be permitted to be installed in other spaces used for environmental air (plenums).
760.3(B) Ex 2 power-limited
31. _____ fire alarm cables installed in ducts, plenums, or other spaces used for environmental air shall comply with 300.22.
760.3(B) power-limited and nonpower-limited fire alarm cables
34. Power-limited fire cables shall be permitted to be installed in plenum cable routing assemblies, riser cable routing assemblies, and general-purpose cable routing assemblies where _______.
760.3(L) all of these: selected in accordance with Table 800.154©, listed in accordance with the provisions of 800.182, and installed in accordance with 800.113
25. When using Table 725.144, bundle sized over ____ cables, or conductor sizes smaller than 26 AWG, ampacities shall be permitted to be determined by qualified personnel under engineering supervision.
Table 725.144 Note 1 192
26. Where only half of the conductors in each cable are carrying current, the values in Table 725.144 shall be permitted to be increased by a factor of _____.
Table 725.144 Note 2 1.4
27. Table 725.144 only listed four conductor sizes because the conductor tor sizes in data cables in wide-spread use are typically 22 to 26 AWG.
Table 725.144 Note TRUE
1. Devices blank for bonding the metallic frames of PV modules shall be permitted to bond the exposed metallic of PV modules to the metallic frames of adjacent PV modules
690.43(B) all of these: listed, labeled, identified
2. Where exposed and subject to physical damage, PV array equipment grounding conductors smaller than 4 AWG shall be protected by a raceway or cable armor.
690.46 TRUE
23. Where Types CL3P, CL2p, CL3R, CL2R, CL3, or CL2 transmit power and data, _________.
725.144(A)(1) and (2) the ampacity ratings in Table 725.144 shall apply at an ambient temperature of 30 Degrees C (86 F), for ambient temperatures above 30 degrees C (86 F), the correction factors of 310.15(B)(2) shall apply.
29. A type CL2-LP (0.50), 23 AWG could be used in any location where a Type CL2 could be used; however, the LP cable would be suitable for carrying up to 0.50A per conductor, regardless of the number of cables in a bundle.
725.144(B) Note 2 TRUE
28. Class 2-LP and Class 3-LP cables shall comply with which of the following, as applicable?
725.144(B)(1), (2), and (3) any of these: Cables with the suffix "-LP" shall be permitted to be installed in bundles, raceways, cable trays, communications raceways and cable routing assemblies. Cables with the suffix "-LP" and a marked ampere level shall follow the substitution hierarchy of Table 725.154 and NEC Figure 725.154(A) for the cable type without the suffix "LP". System design shall be permitted by qualified persons under engineering supervision.
30. Class 2, Class 3, and Type PLTC cables, installed as wiring methods within buildings, shall be _____ as resistant to the spread of fire and other criteria in accordance with 725.179(A) through (I) and shall be marked in accordance with 725.179(J)
725.179 listed
15. If remote-control, signaling, and power-limited circuits are installed in a raceway that is subjected to different temperatures, and where condensation is known to be a problem, the raceway shall be filled with an approved material that will prevent the circulation of warm air to a colder section of the raceway. An explosionproof seal _____.
725.3(H) and 300.7(A) isn't required for this purpose
16. Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in plenum cable routing assemblies, riser cable routing assemblies, and general purpose cable routing assemblies when ______.
725.3(M) seal of these: selected in accordance with Table 800.154©, listed in accordance with the provisions of 800.182, installed in accordance with 800.110(c) and 800.113.
17. Class 2, Class 3, and Type PLTC cables shall be permitted to be installed in plenum communications raceway, riser communications raceways, and general-purpose communications raceways when ______, where the requirements applicable to electrical nonmetallic tubing (ENT) apply
725.3(N) All of these: selected in accordance with the provisions of Table 800.154(b), listed in accordance with 800.182, installed in accordance with 800.113 and 362.24 through 362.56
35. Power-limited fire alarm cables shall be permitted to be installed in plenum communications raceways, riser communications raceways, and general-purpose communications raceways where _____, and where the requirements applicable to electrical nonmetallic tubing apply.
760.3(M) all of these: selected in accordance with Table 800.154(b), listed in accordance with the provisions of 800.182, installed in accordance with 800.113 and 362.24 through 362.56
38. Paint, plaster, cleaners, abrasives, corrosive residues, or other contaminants may result in an undetermined alteration of optical fiber cable ______.
770.24 Note 3 properties
41. For buildings with a grounding means but without an intersystem bonding termination, the grounding electrode conductor for communications circuits shall terminate to the power service accessible means external to enclosures using the options identified in 250.94(A) Ex.
800.100(B)(2)(3) TRUE
42. Communications cables shall be permitted in the same raceway, cable tray, box, enclosure, or cable routing assembly with cables of _____.
800.133(A)(1)(a)(3) and (4) nonconductive and conductive optical fiber cables in compliance with Parts I and V of Article 770, community antenna television and radio distribution systems in compliance with Parts I and V of Article 820.
39. The point of entrance of a communications circuit is the point _____ at which the communications wire or cable emerges from an external wall or from a concrete floor slab.
800.2 Point of Entrance within a building
40. _____ may result in an undetermined alteration of communications wire and cable properties.
800.24 Note 3 any of these: paint plaster, cleaners or abrasives, corrosive residues or other contaminants
43. Masts and metal structures supporting antennas shall be grounded in accordance with 810.21, unless the antenna and its related supporting mast or structure are within a zone of protection identified by a ____ radius rolling sphere.
810.15 150-ft
44. NFPA 780-2014, Standard for the installation of Lighting Protection Systems, provides information for the application of the term "rolling sphere" as used in 810.15
810.15 Note TRUE
47. For communications systems using coaxial cable completely contained within the building (that is, they do not exit the building or the exterior zone of protection defined by a _____ radius rolling sphere and isolated from outside cable plant, the shield shall be permitted to be grounded by a connection to an equipment grounding conductor as described in 250.118.
820.100 Ex 150-ft
48. For community antenna television and radio distribution systems where the building or structure served has an intersystem bonding termination established, 250.94(A) shall apply.
820.100(B)(2) TRUE
49. For community antenna television and radio distribution systems, where the building or structure served has no intersystem bonding termination, the bonding conductor or grounding electrode conductor can be connected to the power service accessible means external to enclosures using the options identified in 250.94(A) Ex.
820.100(B)(2)(3) TRUE
50. CATV coaxial cable can be placed in a raceway, compartment, outlet box, or junction box with the conductors of light or power circuits, or Class 1 circuits when _______.
820.133(A)(1)(b) Ex 1 separated by a permanent barrier.
45. The point of entrance of a CATV coaxial cable at which the coaxial cable emerges from an external wall or from a concrete floor slab.
820.2 Point of Entrance within a building
46. __________ may result in an undetermined alteration of coaxial cable properties.
820.24 Note 3 any of these: paint or plaster, cleaners or abrasives, corrosive residues or other contaminants