They emit bright yellow light.
High pressure sodium light ignitor.
You don t always have to replace the entire ballast sometimes it s just the igniter or possibly the capacitor.
The ignitor aids in starting the lamp.
There are two kinds of sodium lights.
High pressure sodium lights are used for illuminating large outdoor areas.
High pressure sodium ignitor for ballast kits to replace existing ones that have depleted.
Sodium bulbs can last up to 20 000 hours.
For help with ignitor high pressure sodium 70 100w from ge lighting.
A sodium vapor lamp is a gas discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
Low pressure and high pressure low pressure sodium lamps are highly efficient electrical light sources but their yellow light restricts applications to outdoor lighting such as street lamps where they are widely used.
Low pressure lps and high pressure hps these lamps are mostly used for street lighting as well as industrial uses.
Two varieties of such lamps exist.
Sunlite 03600 su lu35 med high pressure sodium light bulb 35 watts ed17 med medium base e26 ansi code s55 2250 lumen 16000 life hours clear 2100k 4 2 out of 5 stars 257.
Typically these lights are used on sides of industrial buildings and in some street lamps.
Sodium lamps were first produced commercially by philips in holland in 1932.
Plusrite 2004 lu150 hps 150w high pressure sodium medium base ansi s55 light bulb.