got a call from a customer that said his lights are flickering.poco came out and pulled the meter and said that it was from all the oxidation.went out to look it over and the h.o. lives near the ocean and has alot of oxidation on the bus bars rust on the outside of the panel.took some flitz and cleaned off the meter stabs and bus bar and connections.and put some no-lox on.put the meter back on he said that it wasn't flickering anymore.told him if it flickers anymore it needs to be changed.is there any service panels that are all copper guts?thank you for your help.:smile: