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Module 4, Lesson 3 > Module 4, Lesson 2 > Flashcards

Module 4, Lesson 2 Flashcards

1
Q

Incandescent means

A

White, glowing, and luminous with intense heat

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2
Q

Incandescents are what

A

The oldest and least efficient

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3
Q

What do incandescents consist of

A

Metallic filament, glass envelope, and 2 or more base contacts

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4
Q

How it incandesecents illuminate

A

Current enters the base contacts, current then travels through a fine wire to the filament, the resistance to the current causes the filament to glow, and then the current travels from the filament through a fine wire back to the base

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5
Q

Lamp glass envelope is called a

A

Bulb

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6
Q

How many lumens of light per watt of power is consumed

A

10-20

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7
Q

Industry wattage ranges from

A

25-1500

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8
Q

Highest wattage in homes

A

100 watts

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9
Q

2 types of bases

A

Medium screw base and mogul screw base

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10
Q

Letter represents

A

Shape

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11
Q

Number represents

A

Size

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12
Q

Bulbs are always measured in

A

eighths of an inch

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13
Q

A, PS, R, and PAR are the most common what

A

Bulbs

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14
Q

Incandescent luminarie characteristics

A

Many styles for commercial and residential apps, fit into the ceiling flush, have thermal protectors for misuse of insulation and improper lamps, ratings for wet and damp locations, wall-mounted, and own junction boxes

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15
Q

Most common fixture

A

“high-hat” recessed down light fixture

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16
Q

Industrial incandescent luminaries

A

Maintenance free, consists of a reflector and socket, enclosed and gasketed, explosion-proof, and protect from dirt, moisture, and physical shock.

17
Q

Type A lamps are rated for what wattage

A

15-150

18
Q

Type PS lamps are rated for

A

150-500

19
Q

Type R (reflector) and type PAR (parabolic aluminized reflector) are commonly called

A

Floodlights and spotlights

20
Q

4 common reflector styles

A

Standard dome, shallow dome, deep bowl, and angle

21
Q

Tungsten Halogen lamp

A

Provides either longer hours of life or a greater light output

Module 4, Lesson 3 (18 decks)

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