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HIGH PRESSURE SODIUM

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35W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
SATCO

SATCO S3130

LU35/MED-S

$10.99

per lamp

SKU: LU35/MED-S

Mfr Part: SATCO S3130

Color Temp: CLEAR

SATCO CATALOG
35W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
$10.99

$10.99 per lamp

35W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
SYLVANIA

SYLVANIA 67500

LU35/MED-Y

$10.99

per lamp

SKU: LU35/MED-Y

Mfr Part: SYLVANIA 67500

Color Temp: CLEAR

SYLVANIA CATALOG
35W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
$10.99

$10.99 per lamp

50W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
SATCO

SATCO S3131

LU50/MED-S

$10.99

per lamp

SKU: LU50/MED-S

Mfr Part: SATCO S3131

Color Temp: CLEAR

SATCO CATALOG
50W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
$10.99

$10.99 per lamp

50W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
SYLVANIA

SYLVANIA 67502

LU50/MED-Y

$10.99

per lamp

SKU: LU50/MED-Y

Mfr Part: SYLVANIA 67502

Color Temp: CLEAR

SYLVANIA CATALOG
50W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
$10.99

$10.99 per lamp

50W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
PHILIPS

PHILIPS 368670

LU50-P

$11.19

per lamp

SKU: LU50-P

Mfr Part: PHILIPS 368670

Color Temp: CLEAR

PHILIPS CATALOG
50W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.19

$11.19 per lamp

50W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SATCO

SATCO S1929

LU50-S

$11.19

per lamp

SKU: LU50-S

Mfr Part: SATCO S1929

Color Temp: CLEAR

SATCO CATALOG
50W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.19

$11.19 per lamp

70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP. CASE OF 12
PHILIPS

PHILIPS 331926

LU70/MED-P

$14.99

per lamp

SKU: LU70/MED-P

Mfr Part: PHILIPS 331926

Color Temp: CLEAR

PHILIPS CATALOG
70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP. CASE OF 12
$179.88

$14.99 per lamp

70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
SATCO

SATCO S3127

LU70/MED-S

$10.99

per lamp

SKU: LU70/MED-S

Mfr Part: SATCO S3127

Color Temp: CLEAR

SATCO CATALOG
70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
$10.99

$10.99 per lamp

70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
SYLVANIA

SYLVANIA 67504

LU70/MED-Y

$10.99

per lamp

SKU: LU70/MED-Y

Mfr Part: SYLVANIA 67504

Color Temp: CLEAR

SYLVANIA CATALOG
70W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
$10.99

$10.99 per lamp

70W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SATCO

SATCO S1930

LU70-S

$11.19

per lamp

SKU: LU70-S

Mfr Part: SATCO S1930

Color Temp: CLEAR

SATCO CATALOG
70W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.19

$11.19 per lamp

70W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
SYLVANIA

SYLVANIA 67512

LU70-Y

$10.99

per lamp

SKU: LU70-Y

Mfr Part: SYLVANIA 67512

Color Temp: CLEAR

SYLVANIA CATALOG
70W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
$10.99

$10.99 per lamp

70W HIGH PRESSURE SODIUM COATED MEDIUM BASE LAMP
SYLVANIA

SYLVANIA 67505

LU70D/MED-Y

$16.95

per lamp

SKU: LU70D/MED-Y

Mfr Part: SYLVANIA 67505

Color Temp: N/A

SYLVANIA CATALOG
70W HIGH PRESSURE SODIUM COATED MEDIUM BASE LAMP
$16.95

$16.95 per lamp

70W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67513

LU70D-Y

$20.40

per lamp

SKU: LU70D-Y

Mfr Part: SYLVANIA 67513

Color Temp: N/A

SYLVANIA CATALOG
70W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
$20.40

$20.40 per lamp

1000W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
SYLVANIA

SYLVANIA 67307

LU1000-Y

$55.99

per lamp

SKU: LU1000-Y

Mfr Part: SYLVANIA 67307

Color Temp: CLEAR

SYLVANIA CATALOG
1000W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
$55.99

$55.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP. CASE OF 12
PHILIPS

PHILIPS 344465

LU100/MED-P

$14.99

per lamp

SKU: LU100/MED-P

Mfr Part: PHILIPS 344465

Color Temp: CLEAR

PHILIPS CATALOG
100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP. CASE OF 12
$179.88

$14.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
SATCO

SATCO S3128

LU100/MED-S

$8.99

per lamp

SKU: LU100/MED-S

Mfr Part: SATCO S3128

Color Temp: CLEAR

SATCO CATALOG
100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP
$8.99

$8.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
SYLVANIA

SYLVANIA 67506

LU100/MED-Y

$10.99

per lamp

SKU: LU100/MED-Y

Mfr Part: SYLVANIA 67506

Color Temp: CLEAR

SYLVANIA CATALOG
100W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP..
$10.99

$10.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP. CASE OF 12
PHILIPS

PHILIPS 368720

LU100-P

$14.99

per lamp

SKU: LU100-P

Mfr Part: PHILIPS 368720

Color Temp: CLEAR

PHILIPS CATALOG
100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP. CASE OF 12
$179.88

$14.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SATCO

SATCO S1931

LU100-S

$11.99

per lamp

SKU: LU100-S

Mfr Part: SATCO S1931

Color Temp: CLEAR

SATCO CATALOG
100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.99

$11.99 per lamp

100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
SYLVANIA

SYLVANIA 67514

LU100-Y

$10.99

per lamp

SKU: LU100-Y

Mfr Part: SYLVANIA 67514

Color Temp: CLEAR

SYLVANIA CATALOG
100W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
$10.99

$10.99 per lamp

100W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
PHILIPS

PHILIPS 332270

LU100D-P

$13.99

per lamp

SKU: LU100D-P

Mfr Part: PHILIPS 332270

Color Temp: N/A

PHILIPS CATALOG
100W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
$13.99

$13.99 per lamp

100W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67515

LU100D-Y

$20.40

per lamp

SKU: LU100D-Y

Mfr Part: SYLVANIA 67515

Color Temp: N/A

SYLVANIA CATALOG
100W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP
$20.40

$20.40 per lamp

150W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP 55V..
SYLVANIA

SYLVANIA 67508

LU150/55MED-Y

$15.92

per lamp

SKU: LU150/55MED-Y

Mfr Part: SYLVANIA 67508

Color Temp: CLEAR

SYLVANIA CATALOG
150W HIGH PRESSURE SODIUM CLEAR MEDIUM BASE LAMP 55V..
$15.92

$15.92 per lamp

150W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP 55V
SATCO

SATCO S1932

LU150/55-S

$11.99

per lamp

SKU: LU150/55-S

Mfr Part: SATCO S1932

Color Temp: CLEAR

SATCO CATALOG
150W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP 55V
$11.99

$11.99 per lamp

150W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP 55V..
SYLVANIA

SYLVANIA 67516

LU150/55-Y

$10.99

per lamp

SKU: LU150/55-Y

Mfr Part: SYLVANIA 67516

Color Temp: CLEAR

SYLVANIA CATALOG
150W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP 55V..
$10.99

$10.99 per lamp

150W HIGH PRESSURE SODIUM COATED MEDIUM BASE LAMP 55V
SYLVANIA

SYLVANIA 67509

LU150/55D/MED-Y

$21.04

per lamp

SKU: LU150/55D/MED-Y

Mfr Part: SYLVANIA 67509

Color Temp: N/A

SYLVANIA CATALOG
150W HIGH PRESSURE SODIUM COATED MEDIUM BASE LAMP 55V
$21.04

$21.04 per lamp

150W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP 55V
SATCO

SATCO S5128

LU150/55D-S

$21.04

per lamp

SKU: LU150/55D-S

Mfr Part: SATCO S5128

Color Temp: N/A

SATCO CATALOG
150W HIGH PRESSURE SODIUM COATED MOGUL BASE LAMP 55V
$21.04

$21.04 per lamp

200W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67576

LU200-Y

$18.99

per lamp

SKU: LU200-Y

Mfr Part: SYLVANIA 67576

Color Temp: CLEAR

SYLVANIA CATALOG
200W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$18.99

$18.99 per lamp

250W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SATCO

SATCO S1940

LU250-S

$11.99

per lamp

SKU: LU250-S

Mfr Part: SATCO S1940

Color Temp: CLEAR

SATCO CATALOG
250W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.99

$11.99 per lamp

250W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
SYLVANIA

SYLVANIA 67578

LU250-Y

$10.99

per lamp

SKU: LU250-Y

Mfr Part: SYLVANIA 67578

Color Temp: CLEAR

SYLVANIA CATALOG
250W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
$10.99

$10.99 per lamp

250W HIGH PRESSURE SODIUM COATED BT28 MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67521

LU250D-Y

$20.99

per lamp

SKU: LU250D-Y

Mfr Part: SYLVANIA 67521

Color Temp: N/A

SYLVANIA CATALOG
250W HIGH PRESSURE SODIUM COATED BT28 MOGUL BASE LAMP
$20.99

$20.99 per lamp

310W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67580

LU310-Y

$23.99

per lamp

SKU: LU310-Y

Mfr Part: SYLVANIA 67580

Color Temp: CLEAR

SYLVANIA CATALOG
310W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$23.99

$23.99 per lamp

400W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
SYLVANIA

SYLVANIA 67533

LU400-Y

$10.99

per lamp

SKU: LU400-Y

Mfr Part: SYLVANIA 67533

Color Temp: CLEAR

SYLVANIA CATALOG
400W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP..
$10.99

$10.99 per lamp

400W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SATCO

SATCO S1941

LU400-S

$11.99

per lamp

SKU: LU400-S

Mfr Part: SATCO S1941

Color Temp: CLEAR

SATCO CATALOG
400W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$11.99

$11.99 per lamp

750W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
SYLVANIA

SYLVANIA 67547

LU750-Y

$53.86

per lamp

SKU: LU750-Y

Mfr Part: SYLVANIA 67547

Color Temp: CLEAR

SYLVANIA CATALOG
750W HIGH PRESSURE SODIUM CLEAR MOGUL BASE LAMP
$53.86

$53.86 per lamp

Viewing Page 1 of 1
Sodium lamps were first produced in Holland in 1932. The lamp works by creating an electric arc through vaporized sodium metal. Other materials and gases are used to help start the lamp or control its color. There are two kinds of sodium lights: Low Pressure (LPS) and High Pressure (HPS). These lamps are mostly used for street lighting as well as outdoor lighting, municipal lighting, home yard lighting and high bay lighting. The HPS lamp is the most ubiquitous lamp for street lighting. The lamp is an improvement over the Low Pressure Sodium lamp in that it has more acceptable color. The better color rendering comes with a bit of sacrifice, as it is somewhat less efficient than Low Pressure Sodium. These lampswere introduced in 1964. Advantages include good efficiency (80-140 lumens per watt), smaller size and better bulb life (24,000 hours) than LPS, and can be retrofitted into older Mercury Vapor fixtures. Disadvantages include poor color rendering (CRI 20-30) compared to metal halide and halogen lamps, and the need for an less efficient ballast that operates a low arc voltage of 52-100V. This reduces the actual net efficiency of this type of lighting compared to other alternatives. The HPS lamp consists of a narrow arc tube supported by a frame in a bulb. The arc tube has a high pressure inside for higher efficiency. Sodium, mercury and xenon are usually used inside the arc tube. The arc tube is made of aluminum oxide ceramic which is resistant to the corrosive effects of alkalis like sodium. The lamp comes in variations, but the most common way to start the lamp is with a pulse start. There is an ignitor built into the ballast which sends a pulse of high voltage energy through the arc tube. This pulse starts an arc through the xenon gas. The lamp turns sky blue as the xenon lights. The arc then heats up the mercury and the mercury vapor then lights, giving the lamp a bluish color. The lamp heats and the sodium is the last material to vaporize. The sodium vapor strikes an arc over 240 C. The sodium is mixed with other impurities to create a more "white" light. The mercury helps add a blue spectrum light to the pure yellow of the sodium. The Sodium in these lamps is a highly volatile substance. When exposed to air the sodium may explode. The sodium lamp should not be disposed of in normal the normal garbage disposal. There have been many cases of garbage trucks catching fire when the bulbs in the back broke. Sodium lamps also contain mercury. The newer LPS lamps contain less mercury than before, but this has effected performance negatively.
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