Replies

1. 
   Jamie_Buxton | Jun 28, 2003 12:24am | #1

   The transformer can go anyplace where you can get to it later to replace it if it dies.   It is not a fire hazard -- unless maybe you wrap insulation around it.  Two good places to put it are: on top of the uppers; and high on the back wall of a corner base unit. 

   Two suggestions...

      Don't buy those DIY kits with a plug-in 60W transformer.   You'll probably need several transformers, and the plug connection is just another thing to fail.  Instead, get one power supply big enough to run all your lights, and get the kind that is directly hardwired with romex.   You can get 120W ones that are only 1 1/8" tall, and can mount under the uppers if your design has a little trim hanging down.

      And look for pucks made of metal.   Some cheaper plastic ones deform from the heat.

1. 
   slfinney | Jun 28, 2003 12:36am | #2

   Thanks!

   I was considering installing an outlet on the floor joist under the cabinets, and running the 12 volts from the transformer up through the wall.  Transformers make me nervous, especially those of unknown, cheap imported quality.

   Any experience with Xenon bulbs? I understand they burn much cooler than halogens - still the same transformer issues.

   Any issues with low voltage wiring behind sheetrock? I was planning on NOT using conduit for the low voltage stuff.

   Just trying not to burn the house down.

1. 
   Jamie_Buxton | Jun 28, 2003 02:03am | #3

   Low-voltage high-current wiring inside walls?  Me, I'm a cabinetmaker (and installer), so I've asked that question a lot to real electricians, and I've never gotten a definitive answer.   You and I both know that zip cord inside a wall is a no-no for 120 volts, but it seems to be allowed for 12-volt stuff -- or to put it another way, nobody's ever been able to point me to a section in the NEC that definitely says it is illegal.  The common cable is zipcord-on-steroids that has is much heavier than lamp cord, because the amperage at low voltage is pretty high.   Monster Cable is (was?) one supplier, but I buy a no-name version off a reel at the Borg.