Deck 17: Lighting Fixture Installation

Question 1

Manufacturers recommend that quartz halogen lamps should be handled without touching the clear quartz, either by using a clean paper towel, a clean rag, or carefully holding the base.

Answer 1

True

Question 2

Installation requirements for light fixtures are contained in Article __________ of the NEC.

A) 210
B) 250
C) 310
D) 410

Answer 2

D

Question 3

The main reason for using fixtures with two ballasts is to switch the lamps separately.

Answer 3

True

Question 4

Track lighting consists of a surface mounted or suspended track with an individual lighting head installed in a permanent position to point light at a specific area or item.

Question 5

A class __________ ballast has a built-in thermal protection unit that opens the lighting circuit if the ballast temperature exceeds a specified level.

A) B
B) L
C) P
D) T

Question 6

The NEC requires that all fluorescent ballasts installed indoors, for both new and replacement applications, must have thermal protection built into the unit by the manufacturer.

Question 7

Metal Halide lamps do not require the use of a ballast.

Question 8

Which of the following ballasts may be used with fluorescent dimmers?

A) Preheat
B) Rapid start
C) Instant start
D) None of the above

Question 9

The ballast nameplate will indicate if it is a Class P ballast.

Question 10

Energy efficient light fixtures come in recessed, ceiling surface mounted, wall mounted, and specialty styles.

Question 11

A __________ is defined by the NEC as a complete lighting unit consisting of a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps and ballast, and to connect the lamps to the power supply.

A) fixture
B) sconce
C) luminaire
D) lamp holder

Question 12

Which of the following lamp types require the use of phosphors to produce light?

A) Metal halide
B) Sodium vapor
C) Incandescent
D) Fluorescent

Question 13

Fluorescent, incandescent, and LED recessed lighting fixtures are available for use in homes.

Question 14

Lighting fixtures in suspended ceilings are considered recessed fixtures.

Question 15

Lamp manufacturers are concerned with which of the following factors?

A) Color temperature
B) Color rendering
C) Lamp efficacy
D) All of the above

Question 16

The amount of electrical power used by a lamp is measured in __________.

A) volts
B) watts
C) amperes
D) lumens

Question 17

A 'damp location' lighting fixture may be installed in an area subject to saturation from water and other liquids.

Question 18

Which of the following lamp types is the most inefficient?

A) Fluorescent
B) Incandescent
C) Metal halide
D) LED

Question 19

A Type IC recessed incandescent light fixture may be __________ thermal insulation.

A) kept at least 2" from
B) completely covered by
C) kept at least 3" from
D) kept at least 1/2"

Question 20

Only bulbous shaped lamps are correctly referred to as a "light bulb".

Question 21

A(n) ____________________ is a component in a fluorescent lighting fixture that controls the voltage and limits current flow to the lamp.

Question 22

The visible portion of the electromagnetic spectrum is called ____________________.

Question 23

A luminaire that is cord connected or chain-, cable- or cord-suspended cannot have any part of the fixture within a zone measuring __________ feet horizontally and __________ feet vertically from the top of the bathtub rim or from a shower stall threshold.

A) 2; 8
B) 3; 10
C) 3; 8
D) 4; 11

Question 24

The measure of the color appearance of a light source which helps describe the apparent 'warmth' or 'coolness' of the light source is called __________.

A) color temperature
B) color rendition
C) light
D) candlepower

Question 25

_________________________ is formed by nearly equal parts of all the visible wavelengths.

Question 26

Lamp diameters are measured in __________ of an inch.

A) sixteenths
B) eighths
C) quarters
D) three-quarters

Question 27

When installing ceiling suspended paddle fans in a low ceiling, make sure the fan blades are at least __________ feet above the floor.

A) 5
B) 6
C) 7
D) 8

Question 28

A(n) ____________________ is the unit of light emitted from a light source.

Question 29

____________________ lamps are referred to as 'electric discharge lamps' by the NEC.

Question 30

Which of the following is not considered one of the three main independent testing laboratories for electrical lighting fixtures?

A) National Electrical Manufacturers Association
B) Underwriters Laboratories
C) Canadian Standards Association
D) Electrical Testing Laboratories

Question 31

An incandescent lamp with a designation of G40 means that the lamp is a globe shape and __________ inches in diameter.

A) 2
B) 4
C) 5
D) 10

Question 32

What do the letters "LED" stand for?

A) light-efficient diodes
B) low-emission diodes
C) light-emitting diodes
D) laser-emitted diodes

Question 33

A surface mounted fluorescent fixture must be installed so that there is at least __________ inches from the lamps to the nearest storage space in a clothes closet.

A) 3
B) 6
C) 8
D) 12

Question 34

When replacing incandescent lamps with CFLs, replace existing 100, 95, and 90 watt incandescent bulbs with a __________ watt CFL.

A) 15
B) 20
C) 25
D) 50

Question 35

A T-8 fluorescent tube is __________ inch(es) in diameter.

A) 5/8
B) 1
C) 1.5
D) 2

Question 36

A lamp's ____________________ rating is a ratio of the number of lumens a lamp produces to each watt of power it uses.

Question 37

Lamp ________is a ratio of the number of lumens a lamp produces to each watt of power it uses.

A) efficacy
B) size
C) color
D) heat

Question 38

When lighting fixtures are installed in exposed or concealed locations under metal-corrugated sheet roof decking there must be at least a _____ inch space between the lowest surface of the roof decking to the top of the light fixture.

A) 1
B) 1.5
C) 2
D) 3

Question 39

The fastest growing application of fluorescent lighting is in __________.

A) plant growing lamps
B) germicidal lamps
C) compact fluorescent lamps
D) U-shaped lamps

Question 40

A measure of a lamp's ability to show colors accurately is called __________.

A) color temperature
B) color rendition
C) candlepower
D) light

Question 41

The four groups of lighting are General, Accent, Task, and ____________________.

Question 42

The fastest growing application of fluorescent lighting is in ___________________, which are often designed to replace incandescent lamps.

Question 43

The newest lamp type being used in residential wiring is the ___________________, which is initially expensive to purchase but because of its long life and very high efficiency will cost very little to use in the long run.

Question 44

By the end of 2014 many of the old style (non-halogen) tungsten filament ___________________ lamps will be phased out in the United States because of their low efficiency.

Question 45

In fluorescent lamps, electrons emitted from the cathodes strike particles of ____________________ vapor.

Question 46

The unit of light that is emitted from a light source is called a ___________________.

Question 47

Describe some of the many advantages of LED lamps over traditional incandescent lamps.

Question 48

Explain why "warm" light sources are preferred for residential lighting.

Question 49

Explain how an LED lamp works.

Question 50

Explain why HID lighting is generally not used in residences.

Question 51

Describe the benefits of compact fluorescents (CFLs).

Question 52

Explain why a red sports car appears to be red to the human eye.