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Philips Ceramalux high pressure sodium light bulbs for increased energy efficiency used in warehouse, security and roadway lighting.

When it comes to high pressure sodium lighting, one of the three popular brands is Philips.  Common to all the different brands is the chief benefit of energy efficiency. The lumen or light output from one of these bulbs is equivalent to the output from a normal incandescent bulb many times the wattage. Another key feature is that these bulbs will last a very long time. The average life of a standard model is typically about 20,000 hours. Compare this to a classic style bulb, which has an average life of about 1,000 hours. It is easy to see the energy savings (thus cost savings) that these bulbs provide. This is why you see them used in parking lots, roadways or warehouse facilities that run for long periods of time. They save energy while reducing maintenance costs because of their extra long life.

Used throughout the world, the Philips technology involved in HPS lighting is similar to fluorescent lighting used in offices but with a difference.  An arc is established between two electrodes in a gas-filled tube which causes a special vapor to produce the light you see. Unlike fluorescent bulbs, this light does not need a coating of phosphors in order to produce the light, the light comes from the arc itself and creates a tremendous amount of light. In the broader category of HID lighting, these are the ones you see with the slightly yellow color in a parking lot or on the freeway. While delivering great energy savings, you can still differentiate color with this lamp, with low pressure sodium you cannot, which is a completely different technology.

All the major manufacturers like Philips produce high sodium light bulbs in all kinds of wattages.  Ceramalux is Philips Lighting's name for their high pressure family of lamps. Be aware that like fluorescent light bulbs, these also have a specific ballast that is used for each wattage.  You can't change from one wattage to another even if the bulb might fit in the socket.  Most of the time the ballast is a core and coil type which is very heavy. The ballast will be clearly labeled as to which type of lamp it operates. If you don't the correct lamp and ballast combination you can reduce both lamp and ballast life and cost yourself more money in maintenance.

Some people wonder about the color of the Philips Ceramalux high pressure sodium.  Will they be able to distinguish color readily by using this type of lamp?  The answer is yes that they will be able to distinguish color as the white portion of its spectrum gives the human eye enough variation to see the various colors.  But if color is a very important thing to your operation, then you may want to consider using metal halide lamps instead.  They have a completely white light in which you can differentiate all types of color and still get good energy efficiency.  In most architectural specifications, metal halide is becoming the HID lamp of choice for almost all applications.  With the advent of more efficient metal halide lamps, Philips Ceramalux high pressure sodium light bulbs are being specified less often.  Although this may be true, they are still used for security and roadway lighting for the energy efficiency and performance.

Some of the most common varieties of Philips Ceramalux high pressure sodium light bulbs are as follows: C70, C100, C150, C250, C400 and C1000. The number in these codes pertains to the wattage of each lamp. The various manufacturers have different names for their product, Philips Ceramalux, Sylvania Lumalux and GE Lucalox. We have a large inventory of high pressure sodium bulbs for nearly every type of light fixture in the field.  If you're having trouble identifying your Philips lamp, our customer service representatives can help you determine what you have and make a good suggestion of a suitable replacement.

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