To All Cable Deniers, 1 Very Simple Question.

"Without knowing the % of copper in the plug of your basic cable, can you absolutely certain say it sounds identical to a plug with 98% copper?"

The answer to your question is, "it depends."  There are simply too many variables.

In the case of a power cable, there are many other factors affecting performance, including wire gauge, geometry, shielding, grounding, and contact integrity between the plug and the outlet contacts. In the case of a power cord with adequate sized conductors, suitable shielding, and a snug contact with the outlet, I seriously doubt the delta in copper content between different brands of high end audio plugs would be reliably and repeatedly discernable to listeners.  If you cannot discern a sonic difference between the plugs, then I guess you could say "it sounds identical".  However, I am sure there are folks here who will disagree.

Kudos to those of you who went to the trouble of entertaining the original post's eighth-grade attempt at reductio ad absurdum.

Unfortunately, postings like the OP undermine rather than support the legitimate argument that certain cables can in certain cases affect sound quality in a pleasing manner.

@devinplombier and do you have an answer for this eight-grade question?

You're one of those people who always jump into a cable thread and contribute nothing positive.

If copper is copper, and 2 cables have different copper % at their end. Would these 2 cables sound identical?

At what point would the copper % no longer sound identical?

Would a copper cable sound identical to an aluminum cable?

You people claim all cables are the same. Here we know for a fact the cables are indeed different in its copper %. You guys love to prove all cables are the same with your holy "measurement". Can you measure when do cables start to differ?

Unfortunately no one has asked if the plug is 30% copper, then what is the other 70% because that'd be a VERY good question.

"Unfortunately no one has asked if the plug is 30% copper, then what is the other 70% because that’d be a VERY good question."

No mystery whatsoever.  My response early in this thread about outlet metals also applies to plugs.  Most plugs are made from lower copper content alloys of copper in order to enhance strength and corrosion resistance.  Common alloys used are Brass, Bronze, and Beryllium-copper.  The other metals in these alloys typically consist of zinc, tin, nickel, or aluminum.  These alloys are all conductive, just less conductive than pure copper, and have been used in power connectors for many years with the lower conductivity being an inconsequential trade-off in order to gain strength and corrosion resistance.