system description

• Any material or component mounted on the outside of the motor , coil or transformer such that the material or component does not touch the windings or enter the confines of the outer wrap , is not considered part of the insulation system and need not be tabulated in the system description
  任何安装于外部发动机、缠绕机或变压器的材料或部件都不可接触绕组线圈或外部遮罩的范围，它们不属于绝缘系统的一部分，所以不需要在系统描述中列出。