Cables

Question 1

Nonmetallic-sheathed cable must be secured within _________ inches from a two-gang plastic device box.

Answer 1

12 inches
334.30

Question 2

Floor-mounted Type FCC cable, cable connectors, and insulating ends shall be covered with carpet squares no larger than __________ inches square.

Answer 2

39.37 in square (1.0 m square)
324.41

Question 3

Type AC cable shall be secured by staples; cable ties listed, labeled, and identified for securement and support; straps, hangers, or similar fittings; or other approved means at intervals not exceeding ____________ feet.

Answer 3

4.5 feet
320.30(B)

Question 4

The minimum bending radius for 3-inch diameter integrated gas-spacer cable is ________ inches.

Answer 4

35 inches
Table 326.24

Question 5

________ is a factory assembly of one or more insulated circuit conductors with or without optical-fiber members enclosed in an armor of interlocking metal tape or a smooth or corrugated metallic sheath.

Answer 5

Metal-Clad Cable
330.2

Question 6

Where type MI cable terminates, a seal shall be provided immediately after stripping to prevent the entrance of _______ into the insulation.

Answer 6

Moisture
332.40(B)

Question 7

Where nonmetallic-sheathed cable is run at angles with joists in unfinished basements, it shall be permissible to secure cables not smaller than three _______ AWG conductors directly to the lower edges of the joints.

Answer 7

Two 6 AWG or Three 8 AWG
334.15(C)

Question 8

________ is a single or multiconductor solid dielectric insulated cable rated 2001 volts or higher.

Answer 8

Medium-Voltage Cable (Type MV)
328.2

Question 9

The overall covering of Type UF cable shall be _______.

Answer 9

Flame retardant, moisture, fungus and corrosion resistant; and suitable for direct burial in the earth.
340.116

Question 10

Power feed, grounding connection, and shield system connection between the FCC system and other wiring systems shall be accomplished in a ________ identified for this use.

Answer 10

Transition assembly
324.40(D)

Question 11

Type AC cable shall be permitted to be unsupported where the cable is not more than _________ inches in length at terminals where flexibility is necessary.

Answer 11

2 feet (24 inches)
320.30(D)

Question 12

The _______ for the controlled lighting circuit shall be installed at the location where switches control lighting loads that are supplied by a grounded general-purpose branch branch circuit serving bathrooms, hallways, stairways, or rooms suitable for human habitation or occupancy as defined in the applicable building code.

Answer 12

Grounded Circuit Conductor
404.2(C)

Question 13

The minimum bending radius for metal-clad cable is ________ times the external diameter of the metallic sheath.

Answer 13

10 times go up to 3/4
330.24(A)(1)

12 times for more than 3/4 but less than 1.5 inch
320.24(A)(2)

15 times for over 1.5 inch
320.24(A)(3)

Question 14

In both exposed and concealed locations, where a cable or raceway-type wiring method is installed through bored holes in joists, rafters, or wood members, holes shall be bored so that the edge of the hole is not less than _________ inches from the nearest edge of the wood member.

Answer 14

1 1/4 inch
300.4(A)(1)

Question 15

Attics with permanent stairs that have cables within _________ feet of the floor can run through the studs if meeting requirements 300.4(D). Cables more than _________ feet above the floor can run across the face of framing.

Answer 15

7 feet
320.23(A)

Question 16

Type FCC (Flat Conductor Cable) cable shall be clearly and durably marked on both sides at intervals of not more than 24 inches with the information required by 310.120(A) and with what additional information?

Answer 16

Material of conductors
Maximum temperature rating
Ampacity
324.120(A)

Question 17

_________ is a factory assembly of one or more conductors insulated with a highly compressed refractory mineral insulation and enclosed in a liquidtight and gastight continuous copper or alloy steel sheath.

Answer 17

MI cable (mineral-insulated, metal-sheathed)
332.2

Question 18

Armored cable installed in thermal insulation shall have conductors rated at __________. The ampacity of the cable installed in these applications shall not exceed that of a 60 degree C rated conductor.

Answer 18

90 degree C
320.80(A)

Question 19

Type MC cable must be supported (and secured) at intervals not exceeding ________ inches.

Answer 19

6 feet
330.30(C)

Question 20

The maximum ampacity of a 500-Kcmil, integrated gas-spacer cable (type IGS) is _________.

Answer 20

168 Amps
Table 326.80

Question 21

Type UF cable buried underground, fed from a 15-amp, ground-fault circuit interrupter at a one-family dwelling must have a minimum cover of ________ inches.

Answer 21

12 inches
Table 300.5

Question 22

Splices in knob-and-tube wiring shall be _________ unless approved splicing devices are used.

Answer 22

soldered
394.56

Question 23

A nonmetallic-sheathed cable, passing through a bored hole less than 1 1/4 inches from the edge of a wood framing member, must be protected by a steel plate (or bushing) at least ________ inches thick.

Answer 23

1/16 inches
300.4(B)(2)

Question 24

In FCC systems, general-purpose and appliance branch circuits have a maximum current rating of ________ amps, while individual branch circuits have a maximum current rating of _______ amps.

Answer 24

20 amps, 30amps
324.10(B)(2)

Question 25

Type MI cable shall be supported securely at intervals not exceeding ________ feet by straps, hangers, or similar fittings designed and installed so as not to damage the cable.

Answer 25

6 feet
332.30

Question 26

Type UF cable, buried under a one-family dwelling driveway, must have a minimum cover of _______ inches.

Answer 26

18 inches
Table 300.5