Lesson 116 - Box Fill and Series Circuits (Master Bedroom) Quiz

False

Ground-fault circuit-interrupter (GFCI) protection for personnel and ground-fault protection for equipment use the same type of protection equipment.

I & II only (A: wired to operate correctly - does not violate 200.7(C)(1) - DOES violate 404.2(C) 2017 NEC: 200.7(C)(1) | 2017 NEC: 404.2(C))

The lamp shown in Figure 122.514 is to be controlled from either switch. Which of the following statements is true for Connection Diagram A? No wall access is available for future cable installation. I. It is wired to operate correctly. II. The markings on the white conductor do not violate 200.7(C)(1) in the NEC ®. III. This installation meets the requirements of NEC ® 404.2(C).

I & III only (I: operates correctly - does not violate 200.7(C) - does not violate 404.2(C) II. operates correctly - does not violate 200.7(C) - DOES violate 404.2(C) III. operates correctly - does not violate 200.7(C) - does not violate 404.2(C) 2017 NEC: 200.7(C)(1))

Which of the connection diagrams shown below is wired to operate correctly so that the lamp can be controlled from either switch, the markings on the white conductors do not violate NEC ® 200.7, and the wiring installation does not violate NEC ® 404.2(C)? No wall access is available for future cable installation.

III only

Which of the drawings in Figure 113.104 shows all the receptacles correctly connected to have Receptacle 2 unprotected and Receptacle 4 GFCI protected?

False

A plug is the same as a receptacle.

True

An integral thermal protector for recessed luminaires will automatically restore power once the luminaire has cooled.

290, 258 (277 × (1 + .05) = 290.85 277 × (1 - .07) = 257.61)

If a ballast is rated to operate at 277 volts but can tolerate (without damaging effects) a +5% to a -7% variation from this rated voltage then this acceptable voltage range is ___ to ___V.

II & IV only

Refer to Figure 112.060. The lamp will be "OFF" with the three-way switches in the positions shown in Diagram(s) ___.

one lumen

A footcandle is equal to ___ per square foot.

the luminaire may overheat and cause a fire

A luminaire is rated for a maximum of a 60 watt lamp. If a 100 watt lamp is installed, what might happen?

90°C (2017 NEC: 410.11)

According to the NEC ®, combustible material adjacent to luminaires (fixtures) cannot be subject to a temperature exceeding ___.

an arcing condition (2017 NEC: 100_Arc-Fault Circuit Interrupter)

An AFCI breaker is used because it detects ___.

will not

Conductors are connected to the line & load side of a GFCI receptacle as shown below. The receptacle is energized. If a person touches Point A with one hand while touching Point B with the other hand, the GFCI receptacle ___ "trip."

Yes (2017 NEC: 330.10)

Does the NEC ® permit an MC cable that is 46 feet in length and properly secured to be installed between a 4"-square box and a 2-by-4 lay-in luminaire?

OFF

Lighted handle toggle switches utilize a neon lamp that is illuminated when the switch is in the ___ position.

both a and b

Overheating of luminaires (fixtures) which often results in fires is most often caused by ___. Select one: a. burying recessed luminaires under thermal insulation b. overlamping c. both a and b d. neither a nor b

ungrounded (2017 NEC: 100_Ungrounded | 2017 NEC: 100_Voltage to Ground)

The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC ®.

grounded (2017 NEC: 200.6 | 2017 NEC: 200.7(A))

The ___ conductor must have an outer covering that is either white or gray in color.