to select a lower wattage ballast factor, matching the energy savings and light

1973 Following the 1973 energy crisis, 34-watt “reduced wattage” T-12 lamps

Description, T8 2 Lamp Instant Start, Normal Ballast Factor, High Efficiency.

6 Ballast factor; 7 See also; 8 References; 9 External links . . power that would be

High Efficiency Low Ballast Factor Ballast. 0.77 x (2) High Lumen T8s: (2) 3100

Ballast. Ballast Factor. Efficacy = Ballast Watt Input. Factor. BEF numbers are

Aug 3, 2010 . To get the actual watts used by the lamp, you simply multiply the lamp wattage by

Watts, Ballast, Lumens per. Lamp*, System Watts** (BF=0.88), System Watts** . .

(BEF is calculated as ballast factor divided by input watts x 100.) The result is

Actual Lumens Out = Ballast Factor x Rated Lumens Out. Another figure found in

The Ballast input wattage must be from 15 to 144 watts. The power factor shall be

T8 to Reduced Wattage T8 (Must meet CEE high-performance specifications).

Jan 23, 2007 . All Ballast Factor Ranges. 1. 三 3.52. 2. 三 1.76. 3. 三 1.16. Ballast Efficacy Factor

Shop 1000Bulbs.com for the best prices on 26 Watt G24q-3 . www.1000bulbs.com/. /26-watt-4-pin-g24q3-base-fluorescent-ballasts/ - Cached2012 Lighting Configurations Reference Sheet4 Lamp - F32T8 28 Watt - Standard Ballast Factor. 14.00. $. 1. 4 foot 4 Lamp T12

System Watts. Electronic. Ballast. T-8 Linear. Fluorescent Fixtures. ( 32 watt lamp)

Jan 19, 2012 . Ballast efficacy factor (BEF) is the ratio of the ballast factor (BF) to input watts; it

lamp and ballast catalogs, about 30 post-it notes with critical information

Instant Start Ballasts. F32T8 Input Watts. F32T8/WM Input Watts F28T8 UMX

However, some low-wattage lamps are not recommended where ambient

Power factor is a measurement of the efficiency of the ballast in terms of the ratio

We are doing a retrofit with 25W GE lamps and a programmed start low ballast

levels and low watts per square foot. When energy constraints dictate lower watts

Ballast factor depends on both the ballast and the lamp type; a single ballast can

122 Watts per Fixture. OpticaHP Retrofit Kit. (2) 32W T8 Lamps, 12 Fixtures.

15 watt medium-based compact fluorescent lamp, electronic ballast, normal

An ANSI ballast for standard 40-watt F40T12 lamps requires a ballast factor of

Ballast Efficacy Factor: Measure of relative light delivered per watt consumed by

ments for 4-foot full wattage 32W. T8 lamps and energy . and High ballast factor

Feb 23, 2011 . Ballast factors. • HID and CF normally ~ BF1.0. • Linear fluorescent - 2LF32T8. –

The ballast efficacy factor is calculated by dividing the relative light output (ballast

this performance. Energy savings can be determined by comparing the input

I have a question regarding system watts in a 2 lamp ballast. Why is the . The

eSd Electronic T8, 0.88 Ballast Factor, Step Dimming,. Programmed Start1. elW

Ballast Efficacy Factor - Consult Factory. 28 and 25 Watt reduced wattage T8

Current fluorescent and metal halide lamps and ballasts are significantly different

An ANSI ballast for standard 40-watt F40T12 lamps requires a ballast factor of

A low ballast factor does not necessarily mean that the efficiency of a fluorescent

Match with 32W “High-Lumen” Qualifying Lamps, below. Manufacturer. Lamps.

The lumen output of a lamp is calculated by multiplying the ballast factor by the

Input. Ballast. Mean System. Lumens/. Ballast Description. Type. # Lamps. 10 PK.

Jun 18, 2009 . An ANSI ballast for standard 40-watt F40T12 lamps requires a ballast factor of

Dec 1, 2000 . Ballast Efficacy Factor (BEF) is the ratio of the ballast factor. (BF) to input watts; it

HPT8 ballasts also must meet specific ballast efficacy criteria as follows: Ballast

STANDARD 4' 32 WATT LAMP OPERATION1. Input. Input. Input. Model. Min.

wattage + ballast wattage) x 4100 hours/12 months/1000 x streetlight energy rate

Factors that Affect Specification of A Ballast. The following factors affect ballast

If photopic lumens alone were taken into account, an 8 lamp T8 with High Ballast

(Fixture wattage = lamp wattage x # of Lamps x Ballast Factor (B.F.)); Record

Therefore, each of the two lamps operates at 28 X 0.90 ballast factor = 26 watts

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