the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > non-conduction, insulation > [adjective] > subjected to insulation (3)
Electrically cut off from (the earth or other conducting bodies) by being surrounded with non-conductors. Also used with reference to heat and sound…
Of an electrical component or circuit: encased in an insulating material, esp. synthetic resin. Cf. pot, v.4 11.