(1) It shall be provided on the NDE bearing.(2) The method of insulation shall be permanent and non-deteriorating during assembly and dis-assembly of the bearing.(3) Pedestal bearing design and lubrication shall be advised by Vendor for approval by Purchaser.(4) Insulation layers which shall be kept non-conducting during normal running shall bear a prominent warning label reading:Caution: Bearing Must Be Kept Insulated.