
PRISMALYTE (PNB) PNB SERIES 2U/6U/FT/17
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PHOTOMETRY
G92067
PNB2SFAVA26U120SO
2'x2' SURFACE BOX FLUORESCENT, PREMIUM SPECIFICATION GRADE LENSED 2, 3 OR 4 LAMP, T8, TT5, OR T12
MODEL NO. PNB2SFAVA26U120SO
coefficients of utilization — zonal cavity method
| RF |
| 20 |
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| 20 |
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| 20 |
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| RC |
| 80 |
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| 50 |
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| 30 |
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| RW | 70 | 50 | 30 | 50 | 30 | 10 | 50 | 30 | 10 |
ratio | 1 | 64 | 61 | 59 | 58 | 56 | 55 | 56 | 54 | 53 |
3 | 55 | 50 | 46 | 47 | 44 | 42 | 46 | 43 | 41 | |
| 2 | 59 | 55 | 52 | 52 | 50 | 48 | 50 | 48 | 46 |
cavity | 4 | 51 | 45 | 40 | 43 | 39 | 36 | 41 | 38 | 36 |
5 | 47 | 40 | 36 | 38 | 35 | 32 | 37 | 34 | 32 | |
room | 6 | 43 | 36 | 32 | 35 | 31 | 28 | 34 | 31 | 28 |
8 | 37 | 30 | 25 | 29 | 25 | 22 | 28 | 24 | 22 | |
| 7 | 40 | 33 | 28 | 32 | 28 | 25 | 31 | 27 | 25 |
| 9 | 34 | 27 | 22 | 26 | 22 | 19 | 25 | 22 | 19 |
| 10 | 32 | 24 | 20 | 23 | 20 | 17 | 23 | 19 | 17 |
visual comfort probability
room size |
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| ceiling height |
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| ceiling height |
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W | L |
| 8.5 | 10.0 | 13.0 | 16.0 |
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| 8.5 | 10.0 | 13.0 | 16.0 | |
20 | 20 |
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| 67 | 71 | 77 | 82 |
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| 66 | 69 | 75 | 78 |
20 | 30 |
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| 61 | 64 | 70 | 74 |
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| 60 | 63 | 68 | 71 |
20 | 40 |
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| 59 | 61 | 65 | 68 |
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| 57 | 59 | 63 | 66 |
20 | 60 |
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| 58 | 60 | 61 | 63 |
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| 55 | 57 | 59 | 62 |
30 | 20 |
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| 67 | 72 | 77 | 80 |
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| 67 | 71 | 75 | 78 |
30 | 30 |
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| 61 | 64 | 69 | 72 |
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| 61 | 63 | 67 | 70 |
30 | 40 |
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| 58 | 60 | 63 | 66 |
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| 57 | 59 | 62 | 64 |
30 | 60 |
| lengthwise | 57 | 58 | 59 | 61 |
| crosswise | 55 | 56 | 57 | 60 |
40 | 40 |
| 58 | 60 | 63 | 66 |
| 58 | 60 | 62 | 64 | ||
30 | 80 |
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| 57 | 58 | 57 | 59 |
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| 55 | 55 | 55 | 57 |
40 | 20 |
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| 69 | 73 | 77 | 80 |
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| 68 | 72 | 76 | 78 |
40 | 30 |
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| 62 | 65 | 69 | 72 |
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| 62 | 64 | 67 | 70 |
40 | 60 |
| luminaries | 57 | 58 | 58 | 60 |
| luminaries | 56 | 57 | 57 | 59 |
40 | 80 |
| 57 | 57 | 56 | 58 |
| 55 | 56 | 55 | 56 | ||
40 | 100 |
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| 59 | 58 | 56 | 57 |
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| 56 | 56 | 54 | 55 |
60 | 30 |
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| 63 | 66 | 69 | 72 |
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| 63 | 65 | 68 | 71 |
60 | 40 |
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| 60 | 61 | 63 | 66 |
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| 60 | 61 | 62 | 64 |
60 | 60 |
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| 58 | 58 | 57 | 60 |
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| 57 | 57 | 57 | 59 |
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60 | 80 |
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| 58 | 57 | 55 | 57 |
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| 56 | 56 | 54 | 56 |
60 | 100 |
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| 59 | 57 | 55 | 56 |
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| 57 | 56 | 53 | 54 |
100 | 40 |
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| 63 | 64 | 65 | 68 |
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| 63 | 64 | 64 | 67 |
100 | 60 |
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| 61 | 61 | 59 | 61 |
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| 61 | 60 | 59 | 61 |
100 | 80 |
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| 61 | 59 | 56 | 58 |
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| 60 | 59 | 56 | 57 |
100 | 100 |
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| 61 | 59 | 55 | 56 |
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| 60 | 58 | 55 | 55 |
ORDERING INFORMATION Explanation of Catalog Number. Example: PNB2SFAVA26U120SOGLR
PN 
B
PRISMALYTE :
Lens Frame
Surface
Fluorescent
BODY STYLE:
Surface Box
2
FIXTURE
WIDTH
S
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| LENS FRAME: |
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| FA= Flush |
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| aluminum |
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| frame |
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| CEILING |
| LENS/ | ||||||
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| FS=Flush |
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| TYPE: |
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| SHIELDING | |||||
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| steel frame |
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| S=Surface |
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| TYPE: | |||||
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| RA=Regressed |
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| VA=Virgin | |||||
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| acrylic | ||||
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| aluminum |
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| frame |
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| See | ||||
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| RF*=1/2" |
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| specifications | ||||
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| regressed |
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| and consult | ||||
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| floating |
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| factory | ||||
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| aluminum |
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| frame |
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*With 7/16" black reveal four sides.
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| OPTIONS: | ||
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| VOLTAGE: |
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LAMP |
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| 120 or 277 |
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| Add appropriate suffix | |||||||
QUANTITY: |
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| to catalog no., ie: (GLR) | |||||
(By Others) |
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| BALLAST TYPE: |
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| LAMP/ |
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2=2 Lamp |
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3=3 Lamp |
| FIXTURE LENGTH: | 1 & 2 Lamp Mag. T12 | LE |
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4=4 Lamp | 6U= 6"U Lamp T8 or | LE |
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(T8, 2' |
| T12 |
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| <20THD <10THD | |||||||||
Lamp | 2U= T8, | 1 & 2 Lamp Elec | SO* |
| HI* | |||||||||||||
Only) | FT = Twin Tube T5 | SO* |
| HI* | ||||||||||||||
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| 17 = T8, 2' Lamp |
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| SB* |
| IB* | ||||||||||||||
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| (Nominal 24") |
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| (40 Watt) |
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| O3* |
| H3* | |||||||||
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| X3* |
| I3* | |||||||||
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| Other dimming | O4* |
| H4* | ||||||||||||
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| LOL Dimming T8 | PS |
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| options. Consult | LOL Dimming TT5 | PB |
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| factory. | *Instant Start Standard |
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OPTIONS & ACCESSORIES
FUSING: Internal
SUFFIX: GLR.
Internal
SUFFIX: GMF.
RADIO INTERFERENCE FILTER 120 or 277 volt, 50 or 60 Hz. One per fixture is standard. SUFFIX: RF.
ELECTRICAL/WIRING OPTIONS Consult factory.
STEM AND CANOPY SETS: Suspends fixture 6", 12", 18" or 24" from surface.
(Four per fixture is required.) Catalog Number: ASC6 CSP (6"), ASC12 CSP (12"), ASC18 CSP (18"), ASC24 CSP (24").
SPECIFICATIONS
PERFORMANCE: In an installation of 2 lamp 31W luminaires in a room cavity ratio of 1, reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .61. To prevent glare the VCP shall not be less than 57 either length- wise or crosswise (at 100 fc level) and the average brightness at 65° shall not exceed 575 footlamberts. To control veiling reflections, luminaire output in the 30° - 90° zone shall be not less than 65.5%.
SPECIFICATIONS (continued)
MATERIALS: Chassis parts are
LABELS: I.B.E.W./UL and
Job Information |
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Lightolier a Genlyte Thomas Company | www.lightolier.com |
Technical Information: (978) 657-7600 • Fax (978) 658-0595
631 Airport Road, Fall River, MA 02720 • (508)
© 2002 Genlyte Thomas Group LLC (Lightolier Division) A0902