If a piece of equipment is insulated, it is covered with rubber or plastic to prevent electricity passing through it and giving the person using it an electric shock. In order to make it safe, the element is electrically insulated
{f} seal or close off with a material which blocks or retards the passage of heat (or electricity, sound, etc.); isolate, separate from others, segregate
If a person or group is insulated from the rest of society or from outside influences, they are protected from them. They wonder if their community is no longer insulated from big city problems Their wealth had insulated them from reality. = shield + insulation in·su·la·tion They lived in happy insulation from brutal facts
To insulate something such as a building means to protect it from cold or noise by covering it or surrounding it in a thick layer. It will take almost 25 years to insulate the homes of the six million households that require this assistance Is there any way we can insulate our home from the noise? Are your hot and cold water pipes well insulated?