Federal Register, Volume 75, Number 226, November 24, 2010, Pages 71519-72652 Page: 71,593
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Federal Register/Vol. 75, No. 226/Wednesday, November 24, 2010/Proposed Rules
TABLE A-LAMP-AND-BALLAST PAIRINGS & REFERENCE LAMP ARC POWER-Continued
Reference lamp arc
Nominal Lamp power
Ballast type lamp diameter and
wattage base Low High
Ballasts that operate one or two straight-shaped lamps (commonly referred to as 4-foot 28 T5 SO Mini- N/A 27.8
miniature bipin standard output lamps) with miniature bipin bases, a nominal length BP
between 45 and 48 inches, a rated wattage of 26 W or more, and an input voltage at
or between 120 V and 277 V.
Ballasts that operate one, two, three, or four straight-shaped lamps (commonly referred 54 T5 HO Mini- N/A 53.8
to as 4-foot miniature bipin high output lamps) with miniature bipin bases, a nominal BP
length between 45 and 48 inches, a rated wattage of 49 W or more, and an input
voltage at or between 120 V and 277 V.
Ballasts that operate one, two, three, or four straight-shaped lamps (commonly referred 32 T8 MBP 30.8 29
to as 4-foot medium bipin lamps) with medium bipin bases, a nominal overall length
of 48 inches, a rated wattage of 25 W or more, an input voltage at or between 120 V
and 277 V, a power factor of less than 0.90, and that are designed and labeled for
use in residential applications.
34 T12 MBP 32 29.81
Ballasts that operate one, two, three, four, five, or six rapid-start lamps (commonly re- 86 T8 HO RDC N/A 86
ferred to as 8-foot high output lamps) with recessed double contact bases, a nominal
overall length of 96 inches, an input voltage at or between 120 V and 277 V, and that
operate at ambient temperatures of 20 F or less and are used in outdoor signs.
110 T12HORDC 106 100.03
MBP, Mini-BP, RDC, and SP represent medium bipin, miniature bipin, recessed double
contact, and single pin, respectively..
4.4. Power Analyzer
4.4.1. The power analyzer shall have n +
1 channels where n is the number of lamps
a ballast operates.
4.4.2. Lamp Arc Voltage. Leads from the
power analyzer should attach to each
fluorescent lamp according to Figure 1 for
rapid- and programmed-start ballasts, Figure
2 for instant-start ballasts operating single
pin (SP) lamps, and Figure 3 for instant-start
ballasts operating medium bipin (MBP),
miniature bipin (mini-BP), or recessed
double contact (RDC) lamps. The
programmed- and rapid-start ballast test
setup includes two 1000 ohm resistors placed
in parallel with the lamp pins to create a
midpoint from which to measure lamp arc
4.4.3. Lamp Arc Current. A current probe
shall be positioned on each fluorescent lamp
according to Figure 1 for rapid- and
programmed-start ballasts, Figure 2 for
instant-start ballasts operating SP lamps, and
Figure 3 for instant-start ballasts operating
MBP, mini-BP, and RDC lamps.
188.8.131.52. For the lamp arc current
measurement, the full transducer ratio shall
be set in the power analyzer to match the
current probe to the power analyzer.
q r1 L VI
7 J TTJ qr,
01 L ES
'in Current through the current transducer
Vout Voltage out of the transducer
Rin Power analyzer impedance
Rs Current probe output impedance
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United States. Office of the Federal Register. Federal Register, Volume 75, Number 226, November 24, 2010, Pages 71519-72652, periodical, November 24, 2010; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc52807/m1/83/: accessed January 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.