An LED bulb’s utility has grown over the years from being dramatic RGB lights to useful everyday applications that can now be found everywhere around the house and office.

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And even if they are currently not being used in certain places, like appliances, the choice lies with you! Appliance bulbs are easy to replace, and LED replacements are even easier to find.

But you are just not sure if you can use a plastic LED bulb inside a microwave oven that emits radiation to generate heat. Indeed an LED would get damaged?

Definitely not!

LED bulbs can be used inside microwave ovens without the risk of damage to the bulb. The bulb is housed outside the cavity of the microwave, behind a protective metallic mesh.

Are Bulbs Exposed To Microwaves?

You might be wondering how a bulb can be placed in high microwave temperatures without getting damaged.

That is because the light shines inside the microwave’s central interior. Still, the bulb itself is not inside the main cavity of the appliance. Pretty neat design!

The light bulb is placed just outside the interior. It is behind a metallic mesh or grill with small holes, which allows light to pass through the mesh into the cavity to see your fancy cooking.

Therefore, the bulb itself is not exposed to the rays of the radiation inside the microwave oven. In essence, the bulb is isolated and outside the range of microwaves that could have heated the LED bulb.

Can Microwave Interfere With an LED Bulb?


Based on the reasoning we have explored above, LED bulbs are absolutely safe to use inside microwave ovens. Many manufacturers have them available to use.

They are certainly safer than other energy-saving alternatives like CFL bulbs out there. CFLs are known to contain dangerous metallic vapors and gases like mercury.

If for any reason, they break, the food would be covered in toxic fumes, and perhaps the microwave itself would be compromised as a whole.

Also, when you think about how many times and the force with which a microwave door opens and closes in an average household, you would be more inclined to replace the bulb with one that is not susceptible to vibrations and force.

Incandescent light bulbs have a thin metallic filament that can easily break due to excessive, long-term vibrations and force. LED bulbs do not have that issue and are another reason they will out-shine other bulbs.

So not only are LEDs a perfectly safe choice in that regard, but in fact, they will last you a long time before if you need to replace them at all!

Here is an LED light bulb (Amazon) that is used to replace incandescents inside a microwave that you will love for its bright white light.

A word of caution needs to be mentioned here. Some bulbs on newer microwaves built into the cabinets are quickly replaced by removing the top panel and accessing a trapdoor containing the bulb inside.

But other older and stand-alone models of microwaves have to have the entire outer covering of the microwave removed to access the bulb holder to change the bulb.

Also read: Can You Use LED Bulbs In Range Hoods?

In this second case, it is vital that you only replace the bulb and don’t try to repair anything else.

This is because even when the microwave is unplugged from the wall socket, a high-voltage capacitor inside it holds a high electrical charge that is lethal to touch.

It needs to be safely discharged before any repair work can ensue. If you are in doubt of any electrical work, it is always better to call in an expert and learn along the way.

Final Words

Finding yourself with a microwave bulb that no longer works is the best time to move to LED options, and hopefully, I have shed more light on that.

You certainly won’t have to worry about the bulb getting damaged. In fact, you will be in for a long-term money-saving and energy-efficient trip.

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Have you been looking for a microwave light replacement?Are you surprised how microwaves are contained in the appliance?

Let me know in the comments below.