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| Roadway Illumination Guideline | |||
| Classification | I.E.S. Lighting Standard | ||
| Street | Area | Average Illuminance (Footcandles) |
Illuminance Uniformity |
| Major | Commercial | 1.20 | 3.0 to 1 |
| Intermediate | 0.90 | 3.0 to 1 | |
| Residential | 0.60 | 3.5 to 1 | |
| Collector | Commercial | 0.80 | 3.0 to 1 |
| Intermediate | 0.60 | 3.5 to 1 | |
| Residential | 0.40 | 4.0 to 1 | |
| Local | Commercial | 0.60 | 6.0 to 1 |
| Intermediate | 0.50 | 6.0 to 1 | |
| Residential | 0.30 | 6.0 to 1 | |
| Parking Lot | Open Space | 0.5 - 2.0 | 4:1 |
1. Source: Illumination Engineering Society of North America, "Lighting Handbook", 8th Edition, 1993. 2. Footcandle is the amount of direct light thrown by one candle on a square foot surface, every part of which is one foot away from the candle. 3. Illuminance uniformity ratio is the average illuminance of the roadway design area between two adjacent divided by the lowest value at any point in the area. |
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Design Patent US D542,958 S
White LED technology is patent protected in the US. LEDtronics White LED products are covered under these patents.
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| CLICK TO ORDER | PART NO. (DESCRIPTION) | PRICE | MIN BUY | Input Voltage, V (typ) | Power (W) | Total Lumens | Efficacy lm/W | Maximum Candela | Illumination Pattern | CRI | Color Temp. (Kelvin) | LED Emitting Color | Operating Temperature | Viewing Angle‡‡ | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Call 800-579-4875 To ORDER | SLL003-400-TPW-014M3 (10-30Vdc,P.White,Type3) | Click For Volume Discount Thru Distributor | 10–30Vdc | ~19 W | ~1688 lm | est. 89 | ~2280cd | Type III (Asymm) | 70~73 | 4800K to 5200K | True White | ~-30°C to ~+50°C | ~40°x80° | ||||||
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