with Copper wire screen and Aluminium laminated sheath
Construction
Aluminium conductor, round stranded or segmented, optionally with longitudinal water barrier
Inner semi-conductive layer firmly bonded to the XLPE insulation
XLPE main insulation, cross-linked
Outer semi-conductive layer firmly bonded to the XLPE insulation
Copper wire screen with semi-conductive swelling tapes above and below as longitudinal water barrier
Aluminium foil, overlapped and glued as radial diffusion barrier bonded to the oversheath
Thermoplastic oversheath as mechanical protection, optionally with semi-conductive and/or flame-retardant layer