I'm thinking the QC guy needs to fire some line workers. I was always of the opinion quality can not be inspected in, it has to be there in the first place.
I am on my 3rd transfer switch after the two previous ones smoked.
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof