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3.40-3.99 > 3.20-3.40 > Flashcards

3.20-3.40 Flashcards

To familiarize the characteristics of all assemblies

1
Q

Uses Permitted for Type AC:Armored Cable

A

For feeders and branch circuits in both expose and concealed locations.
in cable trays

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2
Q

Cable run across the top of floor joist.
Where run across top of floor joist or within ______ of floor or floor joist, the cable shall be protected by guard strips that are as high as the cable.

A

2100 mm

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3
Q

Cable run across the top of floor joist
Where not accessible by stairs or ladders, protection shall only be required within 1800 mm of the nearest edge of scuttle hole or attic entrance

A

1800 mm

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4
Q

Bending Radius: Type AC

The radius of the curve of the inner edge shall not be less than _______ the diameter of Type AC cable

A

five times

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5
Q

Type AC cable shall be secured within ____of every outlet box, junction box or fitting and at intervals not exceeding ____ where installed on or across framing members.

A

300 mm

1400 mm

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6
Q

Type AC cable shall be permitted to be unsupported or unsecured if is more than _______ in length at terminals where flexibility is necessary.

A

600 mm

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7
Q

Type AC cable shall be permitted to be unsupported or unsecured if is more than _______ in length from the last point of cable support to the point of connection to a luminaire or other electrical equipment

A

1800 mm

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8
Q

Armored cable installed in thermal insulation shall have conductors rated at _____. The ampacity of cable installed in these applications shall not exceed that of ______.

A

90 degree Celsius

60 degree Celsius rated conductor

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9
Q

For Armored cable, the ____ rating shall be permitted to be used for adjustment factors and correction calculation; however, the ampacity shall not exceed that of _____ rated conductor.

A

90 degree Celsius

60 degree Celsius rated conductor

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10
Q

For Type AC, the conductors shall have an overall moisture-resistant and fire-retardant covering. For ______, a moisture-resistant covering shall be required only on the individual conductors.

A

Type ACT

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11
Q

Type AC shall have _______ by distinctive external markings on the cable throughout its entire length.

A

Identification of the manufacturer.

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12
Q

Flat cable assemblies shall be permitted as branch circuits to supply suitable tap devices. The rating of the branch ckt shall not exceed _____.

A

30 A

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13
Q

Where flat cable assembly is installed less than _____ above the floor or working platform, it shall be provided with a cover identified for such use.

A

2500 mm

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14
Q

Flat Cable Assembly

____ shall be made between any phase conductor and the grounded conductor.

A

Taps

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15
Q

Taps shall be rated not less than ____ or more than _____ and shall be color-coded

A

15 A

300 volts to ground

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16
Q

Flat cable assemblies shall have _____ special stranded copper wires.

A

5.5 mm sqrd.

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17
Q

Type FC cable shall have temperature rating durably marked on the surface at intervals not exceeding ____.

A

600 mm

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18
Q

The grounded conductor shall be identified throughout its entire length by means of a distinctive and durable ____________.

A

white or gray marking

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19
Q

Terminal Block Identification

A

white, black, red, blue marking

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20
Q

The next adjacent section of the terminal block shall have a _____.

A

black marking

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21
Q

the final or outer section opposite the grounded conductor section of the terminal block shall have a _______.

A

blue marking

22
Q

Use of FCC systems shall be permitted for (branch ckts.)

A

both general purpose and appliance branch ckt. and for individual branch ckt.

23
Q

BC. Voltage, under Uses permitted,
Voltage between ungrounded conductors shall not exceed _____. Voltage between ungrounded and teh grounded conductor shall not exceed ____

A

300 volts

150 volts

24
Q

Current, FCC, under Uses permitted,

General-purpose and appliance branch circuit shall have ratings not exceeding _____.

25
Current, FCC,under Uses permitted, | Individual branch circuits shall have ratings not exceeding _____.
30 A
26
Type FCC under Uses permitted, | Materials used for floors heated in excess of _____ shall be identified suitable for that uses
30 degree Celsius
27
Any portion of FCC system with height above floor level exceeding _____ shall be ____ or _____ at the edges to floor level
2.3 mm | tapered or feathered
28
Floor mounted Type FCC cable shall be covered with carpet squares not larger than ____
1.0 m square
29
True or False The electrical resistivity of shielded system shall be more than that of one conductors of Type FCC cable used in the installation.
False | not more than
30
True or False | Both top and bottom shields shall be metal
False | Top shield shall be metal while for bottom shield, both nonmetallic and metallic material shall be permitted.
31
Type FCC Cable shall be clearly and durably marked on both sides at intervals of not more than ______
610 mm
32
True or False | Type IGS shall be used for interior wiring and be exposed in contact with buildings.
False Shall not be used under uses NOT Permitted
33
Bending radius of Type IGS
53----78----103 2------3------4 600--900--1150
34
Type IGS, Construction and Specification | The conductors shall be _________, laid parallel, consisting of ONE to NINETEEN _______ rods.
solid aluminum rods | 12.7 mm diameter
35
The minimum conductor size of Type IGS and its ampacity
125 mm sqrd. | 119 A
36
The maximum conductor size of Type IGS and its ampacity
2375 mm sqrd. | 519 A
37
Type IGS, Insulation: | The insulation shall be ______ and _______. The nominal pressure shall be_________.
dry kraft paper tapes and a pressurized sulfur hexaflouride gas (SF6)
38
The thickness of paper spacer in Type IGS
125-500 mm sqrd = 1.02 mm | 600-2375 mm sqrd = 1.52 mm
39
The conduit of type IGS shall be ________. | Cite the conduit dimension as per its size
medium density polyethylene 53 2 60 49.46 73 3 89 73.30 103 4 114 94.23
40
Type MV cable shall be permitted for use on power systems rated up to and including ______.
35000 volts
41
Type MV cable with overall metallic sheath or armore, complies with the requirements for Type MC cable and is identified as ________ shall be permitted to be installed in _______.
"MV or MC" | cable trays
42
Type MV securement and support
at intervals not exceeding 1500 from terminations or a maximum of 1800 mm between supports.
43
Bending radius of Type MC cable The radius of the curve of the inner edge of any bend shall not be less than required in the following: A. Smooth sheath B. Interlocked-type Armor or Corrugated Sheath C. Shielded Conductors
``` A. 10 for less than 19 mm 12 for more 19 less 38 mm 15 for more 38 mm B. seven times C. 12 times for individual seven times for multivector ```
44
Type MC cables shall be supported at intervals not exceeding _______.
1800 mm
45
Cables containing four or fewer conductors sized no larger than ______ shall be secured within _____ of every box and chuchuchu.
5.5 mm sqrd. | 300 mm
46
In vertical installations, listed cables with ungrounded conductors ______ and larger shall be permitted to be secured at intervals not exceeding _______.
125 mm sqrd. | 3000 mm
47
Type MC cable shall be permitted to be unsecured and unsupported if is more than _____ in length ftlpocsttpoct luminaires.
1800 mm
48
Type MC cable shall be permitted to be unsecured and unsupported if is Type MC of the interlocked armor type in lengths not exceeding _____ ftlpwiisfawfin.
900 mm
49
Where single type MC conductors grouped together AIOAMOE with a maintained free airspace of not less than ________, the ampacity shall not exceed the allowable ampacities in the table chenes.
2.15 times one conductor diameter, of the largest conductor
50
The minimum conductor size pf Type MC cable shall be _____ for copper, nickel or nickel coated copper and _____ for aluminum or copper-clad aluminim
0. 75 mm sqrd. | 3. 5 mm sqrd.

3.40-3.99 (3 decks)

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