Specifies the characteristics of UV laser printable, nickel plated copper conductor electrical cables Crosslinked Ethylene Tetra Fluoro Ethylene co-polymer (XLETFE) family for use in the on-board electrical systems of aircraft operating at temperature between -65 degree C and 135 degree C, operating at voltages not exceeding 600 V r.m.s and frequencies not exceeding 2000 Hz.