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Thread: Under Cabinet Lighting with Transformer

  1. #1

    Default Under Cabinet Lighting with Transformer

    If doing Led or Xenon lighting, how exactly is the wiring done. Is a switch wired to an outlet which the transformer is plugged into? If so, where is the transformer typically placed? Then the lights are strung from the transformer I assume? What if I have a kitchen with cabinets on 2 walls but the walls are far apart and serperated by a hallway, how can I get lights from transformer under both sets of cabs? thanks

  2. #2
    In the Trades brownizs's Avatar
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    The transformer is usally placed on top of the cabinets, with the moulding at the top hiding it. As for two sets of cabinet rows, two transformers on two circuits.

  3. #3
    Electrician Chris75's Avatar
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    why not just buy undercabinet lights with transformers built into them?

    http://www.nslusa.com/xenontask.html

  4. #4
    Electrician Chris75's Avatar
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    Quote Originally Posted by brownizs View Post
    The transformer is usally placed on top of the cabinets, with the moulding at the top hiding it. As for two sets of cabinet rows, two transformers on two circuits.
    pretty hard to meet code with this setup.

  5. #5

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    Quote Originally Posted by Chris75 View Post
    pretty hard to meet code with this setup.
    How true this is.
    http://www.inspectpa.com/forum/forum.php
    My answers are based mostly on the ICC codes. Advice given is my personal opinion and every person performing work should acquire a permit from his/her jurisdiction and get the work inspected. My opinions are not directions to follow for DIYs or professionals

  6. #6
    In the Trades brownizs's Avatar
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    When have you ever known homeowners to meet code? That is why you guys have the license. As a homeowner, I try to stay within the codes as best as the situation requires, but if cannot do it, the job does not get done by myself.

  7. #7
    Electrical Contractor/Instructor jwelectric's Avatar
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    Quote Originally Posted by brownizs View Post
    When have you ever known homeowners to meet code? That is why you guys have the license. As a homeowner, I try to stay within the codes as best as the situation requires, but if cannot do it, the job does not get done by myself.

    See this post from another site.

    This is becoming more and more true when time to reinsure a home today throughout the US

    Things that are non-code compliant are being required to be brought to compliance before insurance can be bought.
    I am working with a homeowner who is having problems on a house they bought two months ago and still have not gotten insurance as yet.
    The bottom line is, no insurance no loan. They have already bought the home and the insurance company hired an Home Inspector thus the problems

    Now if they can't get insurance they lose what they have paid down on the home which is a lot of money

  8. #8

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    Is a switch wired to an outlet which the transformer is plugged into?
    Yes

    where is the transformer typically placed?
    In a logical location. Sometimes in a cabinet, closet or pantry. Occaisionally on top of the cabinets.


    Then the lights are strung from the transformer I assume?
    The wiring is "strung" from the transformer

    What if I have a kitchen with cabinets on 2 walls but the walls are far apart and serperated by a hallway, how can I get lights from transformer under both sets of cabs?
    Up and over, down and under or through the walls. Or add a second transformer.

  9. #9
    Electrician Chris75's Avatar
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    Quote Originally Posted by 220/221 View Post
    Yes







    Up and over, down and under or through the walls. Or add a second transformer.
    This is where the problem begins...

  10. #10

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    IMO, it's only a technical problem.

    They make rated wire but sometimes finding it isn't easy.

    I think the last batch I bought was made for speaker wire because it had red/black in the round sheath.

  11. #11
    Electrical Contractor/Instructor jwelectric's Avatar
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    Will Article 411 allow this?

  12. #12
    Electrician Chris75's Avatar
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    Quote Originally Posted by jwelectric View Post
    Will Article 411 allow this?
    Of course not, just another 220/221 code misunderstanding.

  13. #13

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    Paste 411 and I'll give you my interpetation.

    My book is at the office and I'm not going to make the 3 minute drive.

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