Detailed Product Description Specifications: HYA-Local telephone cable,solid copper conductor, solid insulation,LAP sheath HYAC-Local telephone cable,solid copper conductor, solid polyolefine insulation ... conductor, solid polyolefine insulation,jelly filling,Stalpeth sheath HYAT53-Local telephone cable,solid copper conductor, solid polyolefineinsulation,jelly filling,Stalpeth sheathTable 1 ...