10/31/2023 0 Comments Low voltage splice box![]() ![]() That means the 12V nominal would be 11.5V for a 100' run and I only have about 20' runs, so I'm good with the voltage. The overkill of 14g wire for most of the run means with the less than 1amp of DC current that the runs could be 100 feet and still only have a 0.5V voltage drop (0.25 V drop in and 0.25 V drop return). Note that voltage drop is a function of amps and wire size. Each item will be individually controlled. That way there is nothing in the cabinets and nothing on the wall except a normal switch or dimmer. My intention is to drill a hole in the cabinet bottom trim, thread the lamp wire thru that, and then clip the lamp wire to the bottom of the cabinet, running it to the front of the cabinet which will have low-profile *****l LED strips****** or. The output 12V DC from the dimmers/switches will go in the wall up to the cabinet level (again 14g Romex - sigh) into a small box where the Romex will tie to the "lamp cord" wire for the dimmers, coming out the wall behind the cabinet at the lower end. Those will go to regular electrical wall boxes behind the counter with DC dimmers from ****** or just normal on-off switches for some. From that I will run 4 DC circuits up thru walls (I believe that needs to be 14g Romex - huge overkill for 1W but behind the wall codes don't take into account the low amperage of DC units). I'm running 120V AC to a 65watt transformer that puts out 12V DC. i really dont have any understanding of voltage drop and no experience with low voltage wiring.i started out assuming that i could just run the low voltage cable in my walls, but quickly learned here and on other forums how wrong i was. do LEDs have a bigger glare issue than other undercab lights? Luckily i dont think we will have any problem with glare, because we are planning a wooden countertop. they dont seem to have any junction box, just the special fitting at the end of the light bar for their low voltage cable. I was thinking of using the environmental lights high brightness premium, a new brighter version of the environmental lights premium. that is why it is shifted a bit right of center. The kitchen wall with the LEDs is about 16 ft long, and I was thinking of putting the transformer (in the basement directly underneath the kitchen) about 6 ft from the end of this wall.Īre these runs too long? i am able to put the transformer anywhere, really, but i am avoiding the area under the sink bc of all the plumbing. Picasa Web Albums - sarah - design and fl. Here is a link to a crude schematic of the undercab lighting arrangement: ![]() If I have the knockouts for the three runs I mentioned, then the distances from transformer to LEDs would be very approximately: i have wired my entire kitchen so far, and am getting hung up on this low voltage stuff! Q: how does this splice work? what kind of connectors are used? what kind of a cover plate? and is it code to have this low-voltage splice in a junction box in the wall? or does it have to be in/under the cabinet somewhere? from the transformer (as long as it has enough output knockouts i think this will be a 100W 24 volt dimming power supply from ), run 3 legs of 14-2 romex up through the walls to three openings in the kitchen walls where i will have to splice the 14-2 romex to the low voltage cable that connects to the light fixtures. from this switch, run 12-2 down through the wall to a transformer in the basement that we will mount in an accessible location.ģ. run 12-2 romex (from a kitchen lighting circuit) up through the wall to a dimmer switch on the kitchen wall to control all my undercab LED task lights (5 cabinets with low voltage LED lamps totaling 45 watts).Ģ. How did it go, sinTAKs? did the 'new' plan work out?ġ. Sorry to revive an older thread, but i have almost the exact same issue.
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