How to Switch from MR16 to GU10: A Step-by-Step Guide


Switching your lighting system can be a daunting task, especially if you’re not familiar with the terminology or technical aspects involved. One common transition is from MR16 bulbs to GU10 bulbs. This guide aims to simplify that process and provide you with the information needed to make an effortless switch.

Teco MR16 and GU10 comparison pin base
Teco MR16 and GU10 comparison pin base-2

Why Switch from MR16 to GU10?

Advantages of GU10

  • Safety: GU10 bulbs generally run on mains voltage, eliminating the need for a transformer.
  • Ease of Installation: They have a simple twist-and-lock mechanism for easy installation and replacement.
  • Energy-Efficiency: GU10 LED bulbs are often more energy-efficient than their MR16 counterparts.

Required Tools and Materials

List of Items Needed

  • GU10 bulbs
  • GU10 lamp holders
  • Wire strippers
  • Screwdriver
  • Electrical tape

Step-By-Step Instructions

Preparing the Area

  1. Turn Off the Power: Always begin by switching off the power to the circuit you’re working on.

Removing the MR16 Bulb

  1. Remove the MR16 bulb: Unscrew or pull out the old MR16 bulb from its holder.

Changing the Lamp Holder

  1. Unscrew the MR16 Holder: Loosen the screws securing the MR16 lamp holder to remove it.
  2. Attach GU10 Holder: Place the GU10 lamp holder where the MR16 used to be and screw it in securely.

Installing the GU10 Bulb

  1. Insert the GU10 bulb: Take your GU10 bulb and fit it into the holder using the twist-and-lock mechanism.

Final Steps

  1. Turn On the Power: After making sure all connections are secure, turn the power back on.
  2. Test the Light: Finally, switch the light on to make sure everything is working as it should.


Switching from MR16 to GU10 doesn’t have to be complicated. By following these steps, you’ll not only make your space more energy-efficient but also modernize your lighting solutions. Happy switching!

How to Change a LED Bulb MR16 to GU10
Check the video in detail


What is the main difference between MR16 and GU10 bulbs?

MR16 bulbs often require a transformer as they usually run on low voltage, whereas GU10 bulbs operate on mains voltage and do not require a transformer.

Can I do the switch myself?

If you’re comfortable with basic electrical work, this is a manageable DIY task. However, for large projects or if you’re in doubt, it’s always best to consult a professional.

Through this step-by-step guide, you’ll find that making the switch from MR16 to GU10 is a fairly straightforward process that offers multiple benefits.

Table of Contents
    Add a header to begin generating the table of contents

    Related Blogs

    Let us know about your inquiry

    We will respond to your inquiry immediately!
    Receive the latest news

    View the latest product catalog and get market trends



    Click one of our contacts below to chat on WhatsApp