
The Critical One Percent
“THE CRITICAL ONE PERCENT” is the transformer radiator tube surface area that is most important on a transformer. Where is that one percent and why is it so important? That one percent is precisely the area that collects moisture and therefore becomes the point at which the rust on transformer tubes begins. Specifically, rust almost always begins at the point of contact with the stabilizer bars and also on the tube edges. Unfortunately, spray painting contractors will try to