Neil:
That voltage pigtail you are refering to is a robber.
Robbers are usually set up on the High current areas (points and protrusions)
The reason they are used is that if you apply the needed power to plate the entire part you will burn these areas. The robber will take all the power and get all funky looking but that area of the part will plate nicely along with the rest of the part plating well.
Its basically there for protection so you dont burn the points.
48 BUICK
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