Does anyone know if aluminum wire is appropriate for outdoor landscape low voltage lighting? Copper is getting a bit expensive so I thought in an outdoor, low voltage situation, aluminum might be a better way to go.
Learjet has expressed the feeling of "the trade" ... if not that of the wire manufacturers!
Aluminum, anywhere near the ground, can't help but have corrosion issues. Nor have I ever seen a landscape lighting transformer listed for use with aluminum wire. As far as I know, aluminum is not currently made in wire finer than #6. (I could be wrong on that).
Indeed, the only place I see aluminum used is in the PoCo service drops.
But, before I get my shorts in a know over "can I or can't I," I'd look to see if the stuff exists first of all.
#73097 - 12/17/0601:01 PMRe: Aluminum Wire For Landscape Lighting
Most European power companies have been known to run Al underground feeders everywhere, so it must be possible. One thing though: they always use crimp splices and embed them in some kind of resin, so there is absolutely NO chance of moisture or air getting to the connections.