High Pressure Sodium Lights

High Pressure Sodium Lamps?
At end of life why do these yellow lights cycle on and off unlike the blue mercury and the white metal halide lamps?Second question is what are cycle free HPS Lamps?
the ballast is going out causing them to cycle on and off.
![]() Cooper Lighting W-70-H/PC 70W High Pressure Sodium Wall Pack with Photo Control, Bronze List Price: Sale Price: $49.82 You save: $30.17 (38%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionFluorescent safety and security light. Weather resistant die cast aluminum housing. Operates on standard 120 volt 60 Hz household current. Intended to be conduit connected to a properly installed and properly grounded metal weatherproof junction box (not provided). Easy installation, mounting pattern included. Truer white light color compared to yellow high pressure sodium, use where energy efficiency and light color are important. Nighttime on/daytime off controlled by a replaceable button type photo control, cULus Listed for wet location use. 65 watt fluorescent bulb included. Replacement bulb is a 4U 65 watt Mogul base fluorescent. Features
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![]() 400 Watt Electronic Switchable Ballast Hydroponic Grow Lamp System with Metal Halide and High Pressure Sodium HPS Light Bulbs, Cord + Hanger, GYO2002 List Price: Sale Price: $155.00 You save: $44.00 (22%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionThis 400W hydroponics lighting system represents the best value grow light. Its advanced electronic ballast supports both High Pressure Sodium (HPS) and Metal Halide (MH) bulbs, giving the grower the flexibility to choose the best selection simply by changing the bulb, instead of having to own two separate light systems.MH is used for accelerated vegetative growth, then switch to HPS to encourage flowering, fruiting and budding Input Characteristics Output Characteristics: Rated Voltage:120V Harmonic Distortion Features
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![]() Cooper Lighting MD70HB 70W High Pressure Sodium Entry and Patio Security Dusk to Dawn Area Light, Black List Price: Sale Price: $66.39 You save: $9.60 (13%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionPerfect for porches, patios, decks, pools, and inside work areas. Lights over 8500 sq. ft. and provides 6300 lumens of light output. Energy efficient high pressure sodium bulb is brighter and lasts up to 12 times longer than standard incandescent PAR floo Features
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![]() Cooper Lighting W50HRC 50W High Pressure Sodium Wall Pack, Bronze Sale Price: $39.99 Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product Features
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![]() Cooper Lighting N150HNCI 150W High Pressure Sodium Industrial Grade Security Dusk to Dawn Area Light List Price: Sale Price: $82.28 You save: $7.71 (9%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionSold as each. 150 watt (lamp included). Ideal for area lighting applications such as commercial, residential streets, parking areas, farm yards, and parks. Replaceable twist lock photo control included. Die cast aluminum housing. 12' high impact prismatic lens and aluminum reflector. 24" mounting arm with hardware. Pole or wall mounted. Replacement bulb SKU # 3992377. 1 year warranty. Boxed. Manufacturer number: N150HNCI. Country of origin: China. Distributed by Cooper Lighting. Features
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![]() Designers Edge L-1760-150W-HPS ECOZONE 150-Watt High Pressure Sodium Commercial Flood Light, Bronze Sale Price: $60.38 Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionDESIGNERS EDGE L-1760 150W COMM.FLOOD LITE Features
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![]() GE 11339 LU70/MED High Pressure Sodium Light Bulb Sale Price: $11.99 Eligible for free shipping!Availability: Usually ships in 3-4 business days See Reviews For This Product Description70 watt B17 Medium Screw (E26) Base 1,900K Clear Lucalox High Pressure Sodium HID GE Light Bulb Features
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![]() Designers Edge L-1741 Ecozone 150-Watt High Pressure Sodium Dusk To Dawn Security Light List Price: Sale Price: $101.99 You save: $10.00 (9%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product Features
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![]() Hubbell Outdoor Lighting F-150S1 150-Watt High Pressure Sodium Facade Floodlight List Price: Sale Price: $68.32 You save: $186.08 (73%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product Description150 watt 120 volt High Pressure Sodium Bronze Flood Hubbell Light Fixture (Lamp Included) Features
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![]() Cooper Lighting W50HPCNCI 50W High Pressure Sodium Wall Pack with Photo Control, Bronze List Price: Sale Price: $58.99 You save: $6.00 (9%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product Features
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Elco 100W ED17 Mini High Pressure Sodium Wallpack - EPS100
Elco Lawn and Garden - Outdoor Lighting 100W ED17 Mini High Pressure Sodium Wallpack Elco EPS100 100W ED17 Mini High...
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Elco 100W ED17 Small High Pressure Sodium Floodlight - EPS100S
Elco Lawn and Garden - Outdoor Lighting 100W ED17 Small High Pressure Sodium Floodlight Elco EPS100S 100W ED17 Small High...
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Elco 250W ED28 Large High Pressure Sodium Floodlight - EPS250L
Elco Lawn and Garden - Outdoor Lighting 250W ED28 Large High Pressure Sodium Floodlight Elco EPS250L 250W ED28 Large High...
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Elco 250W ED28 Large High Pressure Sodium Wallpack - EPS250
Elco Lawn and Garden - Outdoor Lighting 250W ED28 Large High Pressure Sodium Wallpack Elco EPS250 250W ED28 Large High...
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Elco 400W ED28 Large High Pressure Sodium Floodlight - EPS400L
Elco Lawn and Garden - Outdoor Lighting 400W ED28 Large High Pressure Sodium Floodlight Elco EPS400L 400W ED28 Large High...
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Elco 50W ED17 Mini High Pressure Sodium Wallpack - EPS50
Elco Lawn and Garden - Outdoor Lighting 50W ED17 Mini High Pressure Sodium Wallpack Elco EPS50 50W ED17 Mini High...
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Elco 70W ED17 Mini High Pressure Sodium Wallpack - EPS70
Elco Lawn and Garden - Outdoor Lighting 70W ED17 Mini High Pressure Sodium Wallpack Elco EPS70 70W ED17 Mini High...
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Elco 70W ED17 Small High Pressure Sodium Floodlight - EPS70S
Elco Lawn and Garden - Outdoor Lighting 70W ED17 Small High Pressure Sodium Floodlight Elco EPS70S 70W ED17 Small High...
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Elco 400W ED28 Large High Pressure Sodium Wallpack - EPS400
Elco Lawn and Garden - Outdoor Lighting 400W ED28 Large High Pressure Sodium Wallpack Elco EPS400 400W ED28 Large High...
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Elco 150W ED17 Medium High Pressure Sodium Wallpack - EPS150
Elco Lawn and Garden - Outdoor Lighting 150W ED17 Medium High Pressure Sodium Wallpack Elco EPS150 150W ED17 Medium High...
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Elco 150W ED17 Small High Pressure Sodium Floodlight - EPS150S
Elco Lawn and Garden - Outdoor Lighting 150W ED17 Small High Pressure Sodium Floodlight Elco EPS150S 150W ED17 Small High...
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Progress Lighting Traditional High Pressure Sodium Post Light from the Welbourne Collection - P5486
Progress Lighting Lawn and Garden - Outdoor Lighting Traditional High Pressure Sodium Post Light from the Welbourne Collection with Cast...
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Designers Fountain Traditional / Classic Single High Pressure Sodium Light Outdoor Security Dusk to Dawn Light - HP150FL
Designers Fountain Lawn and Garden - Outdoor Lighting Traditional / Classic Single High Pressure Sodium Light Outdoor Security Dusk to...
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Morris 71064 - 100 watt 120 volt High Pressure Sodium Small Floodlight
Morris 71064 - 100 watt 120 volt High Pressure Sodium Small Floodlight (Morris Sm Floodlight 100W HPS 120V 71064)
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Morris 71060 - 50 watt 120 volt High Pressure Sodium Small Floodlight
Morris 71060 - 50 watt 120 volt High Pressure Sodium Small Floodlight (Morris Sm Floodlight 50W HPS 120V 71060)
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Morris 71062 - 70 watt 120 volt High Pressure Sodium Small Floodlight
Morris 71062 - 70 watt 120 volt High Pressure Sodium Small Floodlight (Morris Sm Floodlight 70W HPS 120V 71062)
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Morris 71066 - 150 watt 120 volt High Pressure Sodium Small Floodlight
Morris 71066 - 150 watt 120 volt High Pressure Sodium Small Floodlight (Morris Sm Floodlight 150W HPS 120V 71066)
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Elco EPS250L Dark Brown High Pressure Sodium Flood Lights 250W ED28 Large High Pressure Sodium Floodlight
Elco EPS250L 250W ED28 Large High Pressure Sodium FloodlightElco s Flood light collection features die cast aluminum housings, glass diffusers,...
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Elco EPS250L Dark Brown High Pressure Sodium Flood Lights 250W ED28 Large High Pressure Sodium Floodlight EPS250L
Elco EPS250L 250W ED28 Large High Pressure Sodium FloodlightElco s Flood light collection features die cast aluminum housings, glass diffusers,...
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Elco EPS400L Dark Brown High Pressure Sodium Flood Lights 400W ED28 Large High Pressure Sodium Floodlight EPS400L
Elco EPS400L 400W ED28 Large High Pressure Sodium FloodlightElco s Flood light collection features die cast aluminum housings, glass diffusers,...

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