Deck 17: Lighting Fixture Installation

Question 1

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

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

Answer 1

D

Question 2

The most energy-efficient source of white light on the market today is the __________ lamp.

A) metal halide
B) fluorescent
C) incandescent
D) mercury vapor

Answer 2

A

Question 3

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

Answer 3

True

Question 4

There are __________ basic colors in the visible portion of the electromagnetic spectrum.

A) 6
B) 16
C) 25
D) 256

Question 5

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 6

Which of the following lamp types is the most inefficient?

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

Question 7

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 8

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 9

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 10

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

Question 11

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 12

Both fluorescent and incandescent recessed lighting fixtures are available for use in homes.

Question 13

Which of the following is not one of the primary colors that can be combined to make any other color?

A) Blue
B) Green
C) Red
D) Yellow

Question 14

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

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

Question 15

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

Question 16

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 17

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 18

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 19

Lighting fixtures in suspended ceilings are considered recessed fixtures.

Question 20

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 21

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 22

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

Question 23

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

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

Question 24

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 25

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

Question 26

What do the letters "LED" stand for?

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

Question 27

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

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

Question 28

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

Question 29

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

Question 30

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 31

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

Question 32

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 33

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 34

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 35

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

Question 36

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

Question 37

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

Question 38

Lamp diameters are measured in __________ of an inch.

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

Question 39

The visible portion of the electromagnetic spectrum is called ____________________.

Question 40

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 41

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

Question 42

Explain why HID lighting is generally not used in residences.

Question 43

Describe the benefits of compact fluorescents (CFLs).

Question 44

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 45

Explain how an LED lamp works.

Question 46

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

Question 47

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

Question 48

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