ERATH WIRE STANDARDS: IEC, DIN, BS, ASTM, JIS, CSA, NFC, AS ETC. ... ² Class 2 stranded plain copper conductor: 10mm² and 16mm²Insulation: XLPE (Cross-linked Polyethylene)Sheath: LSZH (Low Smoke Zero Halogen)Sheath ... + Plain 3 Cores: Brown, Black, Grey + Plain PVC insulated earth wire