If you have the kind with steel tabs screwed into copper bus bars, remove all the tabs and coat the entire bus bar. Then replace the tabs and treat them. Then do the neutral and ground bus bars. Best is to remove all the wires, coat the ends, coat the terminals, and then put it all back together. Lotta work, but wow! Imagine what you heard from the bits in your system, times about 10. That's being conservative.
That's also assuming the same active ingredients as the stuff it is copying, which seems to be the case.
I did all that in my panel, and more. A lot more.
That's also assuming the same active ingredients as the stuff it is copying, which seems to be the case.
I did all that in my panel, and more. A lot more.