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Q: Do you need a ballast for a 250watt sodium bulb?
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Can you use a 70 watt high pressure sodium bulb in a 100 watt ballast?

No. The bulb has to match the ballast wattage exactly. And you can't interchange different lamps (like metal halide) either. The ballast is specific to that wattage and lamp type. The bulb will either burn out quickly or just not work properly at all


How do you ignite a 400w electronic metal halide or high pressure sodium bulb?

You need the appropriate ballast for either of these bulbs to make them light.


Will a higher wattage hps bulb work in a ballast that came with a lower wattage bulb?

A higher wattage HPS bulb may work with a ballast that is rated for a lower wattage bulb , but may appear to be dim and will not produce the rated light output. It is best to match ballast and bulb accordingly.


Do you need a ballast for every type of HID bulb?

All high-intensity discharge (HID) bulbs, and all fluorescent bulbs, require a ballast, which is a device that limits current. It can raise the voltage and/or heat the bulb cathodes.


When you need to use metal halide conversion bulb?

When you want to use a MH bulb in an HPS ballast you must use a conversion bulb. It must be the same wattage as the HPS bulb


Do you need a ballast for HPS lights?

Yes, a ballast is required for HPS (high-pressure sodium) lights. The ballast helps regulate the electrical current and provides the initial high voltage needed to start the lamp. Without a ballast, the HPS light would not function properly.


How do you check florescent light ballasts?

The quick way if the bulb is flickering or out, replace if still flickering or out you need a new ballast!


Can you use a hps bulb in a metal halide fixture?

In most cases a cfl bulb can be replaced with an incandescent bulb as long as the base matches. for an example: if a cfl bulb has a GU24 base an incandescent bulb will not work! Also, ensure the wattage of the bulb does not exceed manufacturers rating.


Can you plug a 220V light bulb into a 240V base?

If it fits and the controlling ballast or electronics is compatible with the bulb type. The 240 volt socket rating is just and indicator of the maximum voltage that can be applied to the socket.


What size ballast do you need for a 430 watt high pressure sodium bulb?

430 watt bulbs are made to juice a little more light from a standard 400 watt ballast. you get about 3-5000 more lumens. A typical 400 watt HPS produces about 50-55,000 lumens. The 430 will put out about 58,000. Not a lot, but a little extra without any increase in power usage.


How can you attach a 120 v Light Fixture to a 277 v system do I need a ballast so what kinda of ballast?

need a universal voltage ballast 120/277 volt or a 277volt ballast


How does a high pressure sodium bulb work?

High pressured sodium is commonly used for different types of lighting, such as the ones used to grow plants inside during the cold weather. The artificial light provides the uv rays in the light spectrum that plants need to grow without needing to be exposed to the sun.