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Product Overview:
  • 4 finishes
  • Order lamp separately
  • Aluminum trim
  • Dimmable
  • Easy to install
  • Learn More

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Miniature MR11 Low Voltage Recessed Lighting Fixtures

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Miniature MR11 Low Voltage Recessed Lighting Fixtures

Item #PNM-242
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AvailabilityUsually ships the next business day
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About our Miniature MR11 Low Voltage Recessed Lighting Fixtures

These miniature MR11 low voltage recessed lighting fixtures have an aluminum trim and a low-profile housing. Ideal for non-insulated ceilings, shelving, cabinets, and displays.


  • 4 Models:
    PNM-242-W has a white trim
    PNM-242-B has a black trim
    PNM-242-C has a chrome trim
    PNM-242-G has a gold trim
  • Trim Material: die cast aluminum
  • Outside Diameter of Trim: 2.25in
  • Ceiling Hole Diameter: only 1-7/8in
  • Housing Dimensions: only 3-3/8in high
  • Thermal Control Protection: has thermal control protection to prevent the fixture from overheating
  • Ceiling Insulation: fixture is UL approved for use in non-insulated ceilings. This fixture may be used in an insulated ceiling but only if all insulation is kept at least 3 inches away from all outside surfaces of the housing.
  • Downlight Only: has been UL tested and approved only as a downlight. If this fixture were to be used as an uplight, the air flow and heat dissipation may cause the fixture to overheat and, at the very least, will cause the lamp to burn out prematurely.
  • Complete Fixture: supplied with cast aluminum trim, clear glass lens with retaining ring, low-profile housing, halogen socket with 18in leads, and thermal control protection to prevent the fixture from overheating


  • Light Bulb: uses a 12-volt MR11 low voltage halogen light bulb (ordered separately)
  • Light Bulb Wattage: maximum of 20 watts


  • Transformers: uses 12-volt electronic transformer. (Transformer must be ordered separately.)
  • Transformer Wattages: our 150W electronic transformers can power 3-6 20-watt mini recessed lights; depending on the transformer some of our 300W electronic transformers can power 3-15 20-watt mini recessed lights while some of our other 300W electronic transformers can power 2-15 20-watt mini recessed lights. [Caution: Some of our electronic transformers will not operate properly unless they power at least 50 watts of lighting load and some will not operate properly unless they power at least 35 watts of lighting load.]
  • Dimmability: fixtures may be dimmed by connecting a dimmer to the LINE voltage side (primary side) of the transformer
  • Dimmers: uses a dimmer designed for a low voltage electronic transformer. (Dimmer and Transformer must be ordered separately.) For a complete description of the dimmers that are specifically designed to control a low voltage electronic transformer please click on Dimmers for Electronic Low Voltage Lighting Systems.


  • Easy to Install: please refer to these Installation Instructions (PDF). Always check local electrical codes and the National Electrical Code (NEC) before installing any lighting products. It is also wise to consult with a licensed electrician in your geographical area about any electrical details that you might have questions about and to make certain that you are satisfying all of the appropriate electrical codes


  • Large Quantity Discount: If you would like us to quote on a large quantity of Miniature MR11 Low Voltage Recessed Lighting Fixtures, please call us at our toll-free number or use the online Quotation Request for Large Quantities form. We are always happy to provide you with our best large quantity pricing.

    UL Listed  1-Year Warranty  Satisfaction Gaurantee  Quick Ship Item  Installation Difficulty

Product Reviews
Miniature MR11 Low Voltage Recessed Lighting Fixtures
4.5 Stars based on 2 Review(s)
4 Stars
I would recommend this item to a friend.

Miniature MR11 Low Voltage Recessed Lighting Fixtures
July 15, 2012
Good product for the money.

Philip Gauthier
Greensboro, NC
5 Stars
I would recommend this item to a friend.

Miniature MR11 Low Voltage Recessed Lighting Fixture
December 27, 2011
The old house I inherited had a set of shelves for knick knacks and 3 shelves for cds under them built into a door frame. The hallway on the other side of the wall was very dark. So I had the shelves rebuilt with glass shelves and 5 wooden shelves for the cds with doors on each side. The glass shelves continue to hold knick knacks. Putting the recessed lighting in the top of the door frame throws light on the knick knacks but also throws light in the dark hallway.
Small enough to mount in the top of the door frame

Questions & Answers
By Sarah from Santa Clara, CA on September 9, 2012
Does the MR11-242 fixture meet title 24 requirements?
By Jacob from Pegasus Lighting on September 10, 2012

Sarah - No, it does not

By Cort Wyss from Phoenix, AZ on December 30, 2012
I would like to install 4-6 NM242's in the hollow alumawood rafters of my pergola which measure 6.5" x 2".

I see that you recommend that all the fixtures be within 36" of the transformer but my application would be to have them spaced up to 4' apart with the further one as far as 15 feet from the transformer. Will this work? What gauge wire should I use?
By Jacob from Pegasus Lighting on January 1, 2013


The reason that we recommend placing the fixtures that close is to avoid a problem known as voltage drop. When you have long runs of wire, sometimes the voltage drops significantly by the time it reaches the fixture. This causes the lights to appear dimmer than normal. By keeping within a short distance, this problem can be avoided.

If you have one fixture 15 feet away, then you will likely have very uneven lighting among the light fixtures. The light farthest away from the transformer will appear significantly dimmer than the lights 4 feet away.
By Tom from Pegasus Lighting on January 2, 2013


My best recommendation is that you use a small 60-watt electronic transformer (e.g., PLVT-60N found on this page: for each of the recessed downlights, that you house each transformer and all of its wire connections in its own junction box, and that you power the transformers by running Romex cable from one j-box to the next. Also, since these downlights are intended to be used indoors, it is be very important to make certain that the pergola is designed so that water can NOT get into the downlights or the junction boxes.

By Mikelle from AZ on July 22, 2014
Would an MR11 LED light bulb fit in this fixture to replace the halogen light bulb?
By Jacob from Pegasus Lighting on July 23, 2014

LED MR11 light bulbs should fit but it must be suitable for enclosed fixtures. Otherwise too much heat will be trapped in the fixture.
By Charalambos from Maspeth, NY on July 23, 2014

Not sure haven't tried it. I suppose if it is the same size and socket, it should fit. Good luck with it.

By Meloney from Texas on July 25, 2014
We are wanting to put these lights in 2 separate wall niches, do we have to use transformers? This is a new home and they have prewired for lights.
By Jacob from Pegasus Lighting on July 27, 2014

Yes you will likely need transformers. Homes in the USA run on 120V whereas these lights run on 12V. The transformer will step down your home's 120V to 12V.

By Luke from Maine on October 24, 2012
I want to use a magnetic transformer remotely. I have a 150-watt one, can I use it?
By Jacob from Pegasus Lighting on October 25, 2012

Yes, you can use a magnetic transformer to power these lights.

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