How to change a double ended halogen bulb

How to Change a Double Ended Halogen Bulb?

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Do you know how to change a double-ended halogen bulb? If you don’t, then this guide is for you. We’ll give you the steps on how to get this job done quickly.

How to change a double ended halogen bulb KRM Light+
How to change a double ended halogen bulb | KRM Light+

Have you ever had your halogen bulb busted and thought to yourself, “so how do you remove double-ended halogen bulb and replace it with a new one anyway?” 

If you’ve asked yourself this question before, then this article is definitely for you. In this guide, we’ll teach you how to choose the right replace bulb based on double-ended halogen bulb sizes. We’ll also teach you how to change a double-ended halogen bulb easily. 

What You Need to Know About the Double Ended Halogen Bulb

Before you learn how to change a double-ended halogen bulb, you need to understand what a double end halogen bulb is and its structure. 

We’ll explain this to you in this section:

In a nutshell, double-ended halogen bulbs are high wattage bulbs that are usually T3 sized. However, they may come in other sizes. They are usually only compatible for enclosed fixtures and used for both indoor and outdoor purposes. 

Take note that if you’re planning on installing double-ended halogen bulb to replace your old one, you need to take into consideration the length and the measurements of both ends. This ensures that you can get the exact fit.

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How to Change a Double Ended Halogen Bulb?

Now that you know a little bit more about double-ended halogen bulbs, we can move on to double-ended halogen bulb replacement. The biggest problem that most people encounter when replacing double-ended halogens is that the socket stays in place and can hardly move. Due to that, the bulb also stays in place and can’t be replaced. 

The trick here is to take note of the springs located on both sides of the halogen lamp. If you push these two springs together, then you can push back the bulb and take it out in a snap. Of course, a lot of people find it harder to do during the actual deed, so we’ve got a little trick that can help you with that. 

Fixing this little problem just requires that you follow these few steps:

  1. First, remove the glass from the fixture before you try to take out the bulb.
  2. Take out a flathead screwdriver and tap on the gap on one of the sides.
  3. Use the screwdriver to press on the spring load and slowly pull out the first side of the bulb.
  4. Use the screwdriver to do the same thing on the other side.
  5. Force the second side out and snap it out.

Now that you got the old lightbulb out, you can already put the replacement bulb in. Before anything, you need to make sure that you choose the right replacement type. The only thing that you need to take into consideration is the size and diameter of both ends. They can be either T3, T5, T8 or T12. You just have to choose which one fits your existing fixture. 

Once you get the right size for your replacement, follow these steps to put the new one in:

  1. Attach one side of the light first then proceed to attach the other.
  2. Turn on the light to test it if it works first.
  3. Once it works, put the glass back on again.
  4. Turn on the light again to test it once more.

The steps to changing your double-ended halogen bulb are pretty simple. All you need to do is apply them while taking note of the steps and you’re good to go. 

Also, read HERE to know the best color temperature for different room types. 


Now that you know how to change a double-ended halogen bulb, you can do it anytime you need to. The trick here is to simply know how the fixture for a double-ended bulb works, and you’ll know how to take the bulb out. The important parts to take note of are the spring loads from both sides because those parts are what will help you snap the bulbs out.

The steps above will help you take advantage of these parts so that you can replace the bulbs. At the same time, you also take note of these spring loads in order to put the new bulb in place. Of course, tools like the screwdriver can be used to make life easier, but you can also use your hands if you want.

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