This reply is selective and chosen quote not representative of the organisation, which I hold no affilation with, but have used their info for some years, regar

This reply is selective and chosen quote not representative of the organisation, which I hold no affilation with, but have used their info for some years, regarding bus bar ratings (Copper for Busbars). Of course they market, they provide useful information so people can use their members product effectively and safely. I guess if you live in a world of spin you come to expect it by default from others. CDA are very professional, conservative and reasonable if you take the time to look at their offerings of information. It seems you have judged a book by it's cover. I find the following (Below), is there somewhere else you might suggest is a better place to find info relevant to copper? CDA Mission Statement and Vision Statement Mission Statement: Copper Development Association Inc. (CDA) is a U.S-based, not-for-profit association of the global copper industry, influencing the use of copper and copper alloys through research, development and education, as well as technical and end-user support. CDA is committed to promoting the proper use of copper materials in sustainable, efficient applications for business, industry and the home. Vision Statement: Copper Development Association Inc. promotes the goals of our members while serving the needs of the users, purchasers, designers and specifiers of copper and copper alloy products. We: Are the world’s foremost resource on copper and copper alloy applications