An electrically isolated adapter comprising: a drive body (110, 210, 310) made of first metallic material extending along a common axis (144, 244, 344), the drive body (110, 210, 310) comprising a drive head (140, 240, 340) configured to interface with a socket or fastener; a driven body (120, 220, 320) made of a second metallic material extending along the common axis (144, 244, 344), the driven body (120, 220, 320) having a drive receiver (163, 263, 363) configured to interface with a protrusion of a driving tool; and an isolation assembly (130, 230, 330) formed of insulating material disposed between the drive body (110, 210, 310) and the driven body (120, 220, 320) 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 (110, 210, 310) or the driven body (120, 220, 320) is received inside a portion of the other of the drive body (110, 210, 310) or the driven body (120, 220, 320) such that the drive body (110, 210, 310) and driven body (120, 220, 320) overlap each other along the common axis (144, 244, 344), wherein the drive body (110, 210, 310) comprises a drive body shaft (142, 242, 342) extending away from the drive head (140, 240, 340) along the common axis (144, 244, 344), wherein the driven body (120, 220, 320) comprises a drive body receiver (150, 250, 350) formed by sidewalls (152, 252, 352) that extend parallel to the common axis (144, 244, 344) away from a base portion (153, 253, 353), and wherein the drive body shaft (142, 242, 342) is received inside the drive body receiver (150, 250, 350) with the isolation assembly (130, 230, 330) separating the drive body (110, 210, 310) from the driven body (120, 220, 320), characterized in that the drive body shaft (142, 242, 342) includes a plurality of splines (146, 246, 346) that extend parallel to the common axis (144, 244, 344) with a corresponding plurality of trenches (148, 248, 348) formed therebetween, wherein the sidewalls (152, 252, 352) comprise ridges (154, 254, 354) formed inwardly from the sidewalls (152, 252, 352) toward the common axis (144, 244, 344) and extending parallel to the common axis (144, 244, 344), the ridges (154, 254, 354) having recesses (156, 256, 356) formed therebetween. a drive body (110, 210, 310) made of first metallic material extending along a common axis (144, 244, 344), the drive body (110, 210, 310) comprising a drive head (140, 240, 340) configured to interface with a socket or fastener; a driven body (120, 220, 320) made of a second metallic material extending along the common axis (144, 244, 344), the driven body (120, 220, 320) having a drive receiver (163, 263, 363) configured to interface with a protrusion of a driving tool; and an isolation assembly (130, 230, 330) formed of insulating material disposed between the drive body (110, 210, 310) and the driven body (120, 220, 320) 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 (110, 210, 310) or the driven body (120, 220, 320) is received inside a portion of the other of the drive body (110, 210, 310) or the driven body (120, 220, 320) such that the drive body (110, 210, 310) and driven body (120, 220, 320) overlap each other along the common axis (144, 244, 344), wherein the drive body (110, 210, 310) comprises a drive body shaft (142, 242, 342) extending away from the drive head (140, 240, 340) along the common axis (144, 244, 344), wherein the driven body (120, 220, 320) comprises a drive body receiver (150, 250, 350) formed by sidewalls (152, 252, 352) that extend parallel to the common axis (144, 244, 344) away from a base portion (153, 253, 353), and wherein the drive body shaft (142, 242, 342) is received inside the drive body receiver (150, 250, 350) with the isolation assembly (130, 230, 330) separating the drive body (110, 210, 310) from the driven body (120, 220, 320), characterized in that the drive body shaft (142, 242, 342) includes a plurality of splines (146, 246, 346) that extend parallel to the common axis (144, 244, 344) with a corresponding plurality of trenches (148, 248, 348) formed therebetween, wherein the sidewalls (152, 252, 352) comprise ridges (154, 254, 354) formed inwardly from the sidewalls (152, 252, 352) toward the common axis (144, 244, 344) and extending parallel to the common axis (144, 244, 344), the ridges (154, 254, 354) having recesses (156, 256, 356) formed therebetween.