Module 4, Lesson 2 Flashcards Preview

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

Flashcards in Module 4, Lesson 2 Deck (21):
1

Incandescent means

White, glowing, and luminous with intense heat

2

Incandescents are what

The oldest and least efficient

3

What do incandescents consist of

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

4

How it incandesecents illuminate

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

5

Lamp glass envelope is called a

Bulb

6

How many lumens of light per watt of power is consumed

10-20

7

Industry wattage ranges from

25-1500

8

Highest wattage in homes

100 watts

9

2 types of bases

Medium screw base and mogul screw base

10

Letter represents

Shape

11

Number represents

Size

12

Bulbs are always measured in

eighths of an inch

13

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

Bulbs

14

Incandescent luminarie characteristics

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

15

Most common fixture

"high-hat" recessed down light fixture

16

Industrial incandescent luminaries

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

17

Type A lamps are rated for what wattage

15-150

18

Type PS lamps are rated for

150-500

19

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

Floodlights and spotlights

20

4 common reflector styles

Standard dome, shallow dome, deep bowl, and angle

21

Tungsten Halogen lamp

Provides either longer hours of life or a greater light output