2020-2021 Purchasing Guide Volume 2

LIGHTING | A Bulbs - LED

BULB

THE FTC LIGHTING FACTS LABEL

Lighting Facts Per Bulb

VOLTS: Electrical supply required by the bulb. The volt rating indicates the maximum line voltage on which the bulb should be operating. BRIGHTNESS (LUMENS): The amount of light produced by the bulb, measured in all directions from the light center. AVERAGE LIFE HOURS: Number of hours that the average bulb can be expected to last. Based on the hours at which 50% of a test group of bulbs have failed when operated at nominal voltage and current. Life = 3 (hours) x 365 (days) =1,095 hours per year

INCANDESCENT

HALOGEN

at 130 volts at 120 volts

Advantages: Inexpensive initial price; compatible with dimmers, timers, photocells Disadvantages: Energy inefficient; short life; legislation eliminating some bulbs based on efficacy INTEGRATED COMPACT FLUORESCENT Advantages: Energy efficient alternative for existing incandescent applications; long life compared to incandescent Disadvantages: Contain mercury; not compatible with

Advantages: Small size; bright white light; more efficient than standard incandescent Disadvantages: High heat; less efficient than fluorescent, HID and LED; legislation eliminating some bulbs based on efficacy

Brightness (lumens) 580

435

EstimatedYearly Energy Cost

$7.23 $6.50

Based on 3 hrs/day, 11¢/kWh. Cost depends on rates and use Life

2.3 years 4.6 years

Based on 3 hrs/day Light Appearance Warm

Cool

2700 K Energy Used 60 watts 54 watts Color Accuracy (CRI) 89

LED

Advantages: Most energy efficient; longest life; no warm- up time; bulb life is not impacted by vibration or frequent switching

COLOR TEMPERATURE: The apparent color of the light emitted from the bulb. Alower color temperature (2,000K–3,000K) is a warmer, yellow light while a higher temperature (>4,000K) is a cooler, blue light. ENERGY USED (WATTS): Units of energy required to power the bulb. The wattage of the bulb does not determine the amount of light produced. COLOR ACCURACY (CRI): The ability of the bulb tocorrectly render the colorof an object. The higher the index, which caps at 100, themore correctly the coloris rendered.

Disadvantages: High initial price; rapidly evolving technology

timers, photocells, dimmers (unless specified)

BASE TYPES ARE ACTUAL SIZE

Mini-Can

Candelabra (E12)

Intermediate (E17)

Medium (E26)

Mini Bayonet

Mogul (E39)

SC Bayonet

DC Bayonet

Slide Base 5

RSC

GU4

GU5.3

GU10

GU24

G12

G9

G8

GY8.6

GY6.35

G4

Wedge

Subminiature Wedge

T5

T12

T12 Single Pin

T12 Rec. DC Bayonet

T8

T8 Single Pin

CLI002b-10-23-19

746

Lighting

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