Construction and Dimensions
Item		standard	Tri-shield	Quad-shield
Diameter of Inner conductor(mm)		1.00±0.02	1.00±0.02	1.00±0.02
Diameter of Dielectric(mm)		4.70±0.10	4.80±0.20	4.80±0.20
Diameter of 1st outer conductor≤(mm)		4.90	5.10	5.10
Diameter of 2nd outer conductor≤(mm)		5.00	5.35	5.35
Diameter of 3rd outer conductor≤(mm)		/	5.42	5.42
Diameter of 4th outer conductor≤(mm)		/	/	5.66
Diameter of Jacket≤(mm)		6.90	7.30	7.70
Approximate weight(kg/km)		40	42	46
Diameter of messenger steel wire(mm)		1.30	1.30	1.30
steel wire weight(kg/km)		11	11	11