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pt wood and fasteners

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I typically spec hot dip galvanized for all fasteners in pt wood, per building department requirements.
I am working with a framer who said he has used electroplated anchor rods with borate treated wood which is much less corrosive than copper sulfate rated. He indicated electroplated 1/2 the cost of hot dip galvanized.
Is borate less corrosive than copper sulfate and therefore compatible with electroplated fastness?  Does borate treated wood resist deterioration as well as copper sulfate (for a shear wall sill plate, in contact with concrete slab, but not exposed to the elements).
Thank you for your help.
Paul Franceschi