A couple points -
I'd like to see the CDA respond to the points presented;
I understand that welding of aluminum (as in a pad mount transformer coil, for example) is not a perfected process, and prone to failure;
As the electrical cost of new construction is somewhere between 5 and 10% of the total cost, what is the real savings by using AL in a few locations - 1%? less?
Manufacturers have a vested interest in AL - it's lighter (=less handling cost), cheaper (= greater margin) and generally easier to machine (= less machining cost). GPN
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