The transformers seem cheap enough and most seem not to rectify the current.
There appear to be a few electronic low-voltage transformers (ELVT) which are
new.
I always thought LED's prefer DC to avoid flicker whereas doesn't matter a wit
for incandescent. LED's would also rectify the current?--- and perhaps has
implications for daisy chaining the lights. I don't have many, so voltage drop
should be low--2 zones, max 2-3 lights on each.
I am not sure why the plain old 12 AC output is so common. I thought this
gizmo looked like the ticket:
http://www.kichler.com/professional/landscape-lighting/new-landscape-lighting-products/design-pro-led-controller.aspx
It can easily be run by one of those Vera gizmos to control with phone
too--though others perhaps can as well.
Not being an engineer, thought I'd better check here.
In the dark, Mike
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