Conductor: copper conductor as per IEC 60228, class 2/circular or shaped conductor/flexible conductor (class 5) optional.
Insulation: XLPE (Cross-Linked Polyethylene) rated at 90℃, many color optional
Metallic screen optional: Copper tape or copper wires braiding optional
Sheath: PVC or FR-PVC type ST2 to IEC 60502, black or red or customization

Nom. Cross-section of conductor	Insulation Thickness	Sheath Thickness	Approx. O.D.	Approx.Weight	Max. D.C Resistance of Conductor (20 ℃)	Testing Voltage A.C	Current Rating
mm2	mm	mm	(mm)	kg/km	Ω /km	kV/5min	In air (A)	In soil(A)
1 × 50	1.0	1.4	13.0	555	0.387	3.5	180	220
2 × 50	1.0	1.8	20.0	1365	0.387	3.5	160	185
3 × 50	1.0	1.8	23.0	1670	0.387	3.5	160	185
4 × 50	1.0	1.8	23	2148	0.387	3.5	160	185
5× 50	1.0	2.0	31.0	2921	0.387	3.5	160	185
3 × 50+ 1 × 25	1.0	1.8	25	1901	0.387	3.5	160	185
4 × 50+ 1 × 25	1.0	1.9	28.8	2633	0.387	3.5	160	185