@bwen08 you are correct it is factory installed internally bonded and from submitals xfmr when I look at HV compartment their is H1, H2, H3 terminals, gnd pad. When I look at LV compartment their is X1, X2, X3, H0/X0 terminals, gnd pad. LV compart has strap from H0/X0 to gnd pad. I have the...