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Old 10-06-2009, 05:13 PM   #1
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Dimmer of 12v fixture?


Hi everyone. I've bought an IKEA 12v light fixture for my study and I'd like to use a dimmer with it. My question is : can I use a standard 120V dimmer with a 12v fixture? If not, are other dimmers available that will work properly?

It being an IKEA fixture, I have zilch info on it (type of transformer used, etc).

Thanks for the info!

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Old 10-06-2009, 05:18 PM   #2
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Dimmer of 12v fixture?


http://www.google.com/search?client=...UTF-8&oe=UTF-8

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Old 10-06-2009, 05:56 PM   #3
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Dimmer of 12v fixture?


let me clarify - The fixture is ceiling mounted, and contains its own transformer. Regular household power runs from the switch to the fixture box, so there's nowhere to insert a 12v dimmer between transformer and light fixture.

Will a 120v dimmer at the switch work properly/safely?
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Old 10-06-2009, 09:14 PM   #4
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Dimmer of 12v fixture?


http://www.crestron.com/downloads/pd..._switching.pdf

Lutron probably makes something also.
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Old 10-06-2009, 11:04 PM   #5
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Dimmer of 12v fixture?


If the transformer in the light fixture is dimmable, then yes. Probably check with the manufacturer of the light fixture. If the built-in transformer is not dimmable, perhaps explore changing it (either the transformer or the entire fixture) out for one that is.
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Old 10-07-2009, 11:27 AM   #6
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Dimmer of 12v fixture?


Thanks guys! My local HD electrical dept guy has steered me in the right direction here as well. I have discovered that the transformer in the fixture is an electronic version versus magnetic, so I'll pick up a low-voltage electronic dimmer today and give that a whirl.

Cheers,
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Old 10-07-2009, 11:42 AM   #7
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Dimmer of 12v fixture?


Quote:
Originally Posted by clemon03 View Post
Thanks guys! My local HD electrical dept guy has steered me in the right direction here as well. I have discovered that the transformer in the fixture is an electronic version versus magnetic, so I'll pick up a low-voltage electronic dimmer today and give that a whirl.

Cheers,
Keep a fire extinguisher handy.
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Old 10-07-2009, 11:46 AM   #8
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Dimmer of 12v fixture?


Quote:
Originally Posted by J. V. View Post
Keep a fire extinguisher handy.
That;s only a helpful comment if you can explain why......
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Old 10-07-2009, 01:38 PM   #9
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Dimmer of 12v fixture?


Quote:
Originally Posted by clemon03 View Post
Thanks guys! My local HD electrical dept guy has steered me in the right direction here as well. I have discovered that the transformer in the fixture is an electronic version versus magnetic, so I'll pick up a low-voltage electronic dimmer today and give that a whirl.

Cheers,
I thought you were going to dim the 120vac upstream of the 'former.
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Old 10-07-2009, 01:48 PM   #10
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Dimmer of 12v fixture?


Sorry - I'm being obtuse again....

Leviton produces dimmers specifically made for low-voltage lighting. They connect to the 120v household current like a normal dimmer switch. Two varieties are made - one for electronic transformers and one for magnetic transformers.

THe kicker is that they retail for around $40CAD! OUCH!!! At theat price I can replace the damned 12v light fixture with a 120v one! That's not happening right now, so I'll live without the dimmer for a while......
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Old 10-07-2009, 06:09 PM   #11
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Dimmer of 12v fixture?


Quote:
Originally Posted by clemon03 View Post
Sorry - I'm being obtuse again....

Leviton produces dimmers specifically made for low-voltage lighting. They connect to the 120v household current like a normal dimmer switch. Two varieties are made - one for electronic transformers and one for magnetic transformers.

THe kicker is that they retail for around $40CAD! OUCH!!! At theat price I can replace the damned 12v light fixture with a 120v one! That's not happening right now, so I'll live without the dimmer for a while......
If you don't want variable dimming you can use a power resistor or long length of skinny wire on the 12v side to dim the thing, for a lot less than $40.
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Old 10-07-2009, 06:26 PM   #12
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Dimmer of 12v fixture?


Quote:
Originally Posted by J. V. View Post
Keep a fire extinguisher handy.
I like the witty reply! But, seriously. There are dimmers designed specifically for that purpose. It must state so on the package. (No matter what) Don't Drink and Drive, Ever!!!

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