Your eyes apparently went straight to the bold type because your neglecting what I said in the rest of that post. I suggest you go back and read the whole post.
..and as for the "lack of voltage within the loop", I forget where I saw it, but someone noted that (at least with 775's) there is some kind of voltage leak once the CPU is locked down. The voltage is actually traveling through the IHS into the CPU block, I'll see if I can dig up the link. Auto's actually use a grounding strap from the engine to chassis, this along with a much higher concentration of anti-corrosive (anti-freeze) is what prevents most problems in autos.
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