An electrically isolated adapter comprising: a drive body made of first metallic material extending along a common axis , the drive body comprising a drive head configured to interface with a socket or fastener; a driven body made of a second metallic material extending along the common axis , the driven body having a drive receiver configured to interface with a protrusion of a driving tool; and an isolation assembly formed of insulating material disposed between the drive body and the driven body wherein the insulating material has a resistance to electrical current that is higher than the resistance to electrical current of at least one of the first metallic material and the second metallic material, wherein a portion of one of the drive body or the driven body is received inside a portion of the other of the drive body or the driven body such that the drive body and driven body overlap each other along the common axis , wherein the drive body comprises a drive body shaft extending away from the drive head along the common axis , wherein the driven body comprises a drive body receiver formed by sidewalls that extend parallel to the common axis away from a base portion , and wherein the drive body shaft is received inside the drive body receiver with the isolation assembly separating the drive body from the driven body , characterized in that the drive body shaft includes a plurality of splines that extend parallel to the common axis with a corresponding plurality of trenches formed therebetween, wherein the sidewalls comprise ridges formed inwardly from the sidewalls toward the common axis and extending parallel to the common axis , the ridges having recesses formed therebetween. a drive body made of first metallic material extending along a common axis , the drive body comprising a drive head configured to interface with a socket or fastener; a driven body made of a second metallic material extending along the common axis , the driven body having a drive receiver configured to interface with a protrusion of a driving tool; and an isolation assembly formed of insulating material disposed between the drive body and the driven body wherein the insulating material has a resistance to electrical current that is higher than the resistance to electrical current of at least one of the first metallic material and the second metallic material, wherein a portion of one of the drive body or the driven body is received inside a portion of the other of the drive body or the driven body such that the drive body and driven body overlap each other along the common axis , wherein the drive body comprises a drive body shaft extending away from the drive head along the common axis , wherein the driven body comprises a drive body receiver formed by sidewalls that extend parallel to the common axis away from a base portion , and wherein the drive body shaft is received inside the drive body receiver with the isolation assembly separating the drive body from the driven body , characterized in that the drive body shaft includes a plurality of splines that extend parallel to the common axis with a corresponding plurality of trenches formed therebetween, wherein the sidewalls comprise ridges formed inwardly from the sidewalls toward the common axis and extending parallel to the common axis , the ridges having recesses formed therebetween. <EOS>