Conductors For OverHead Lines

Hard Drawn Copper Conductor

(HDBC)

Nominal Area	Number of wires in Conductor	Nominal Dia of wiresin Conductor	Approx Conductor Diameter	Maximum Conductor Resistance at 20°C(Max)	Nominal Weight	Maximum Weight	Breaking Load(Min)	Standard Packaging Length	Drum size	Approx. Gross weight
Sqmm	No	mm	mm	Ohm/Km	Kg/Km	Kg/Km	N	Metre ± 5%		KG
10	7	1.35	4.05	1.829	89.82	91.62	3752	2000	D-6	230
14	7	1.60	4.80	1.303	126.2	128.7	5267	2000	D-6	305
16	3	2.65	5.70	1.106	148.3	151.3	6194	2000	D-7	350
16	7	1.70	5.10	1.154	142.4	145.2	5946	2000	D-7	340

25	7	2.10	6.30	0.7563	217.3	221.6	9073	2000	D-8	495
32	3	3.75	8.06	0.5520	296.9	302.08	12400	1000	D-7	350
32	7	2.46	7.38	0.5497	298.2	304.2	12442	1000	D-7	350
35	7	2.50	7.50	0.5337	308.0	314.2	12860	1000	D-7	360

50	7	3.00	9.00	0.3706	443.5	452.4	18520	1000	D-7	500
50	19	1.80	9.00	0.3819	435.8	444.5	17700	1000	D-7	490
70	7	3.55	10.65	0.2646	621.1	633.5	25930	1000	D-8	685
70	19	2.10	10.50	0.2806	593.2	605.1	24090	1000	D-8	660

95	19	2.50	12.50	0.1980	840.07	857.5	34140	1000	D-11	960
100	7	4.30	12.90	0.1810	911.2	929.4	36540	1000	D-11	1030
120	19	2.80	14.00	0.1578	1055	1076	42830	1000	D-12	1190
125	19	2.90	14.50	0.1471	1131	1154	45940	1000	D-12	1265

150	19	3.20	16.00	0.1208	1377	1405	55940	1000	D-12	1515
150	37	2.25	15.75	0.1264	1334	1361	53880	1000	D-12	1475
185	19	3.55	17.75	0.09815	1695	1729	68860	1000	D-14	1880
185	37	2.50	17.50	0.1024	1647	1680	66490	1000	D-14	1830

Conductor conform to BS 7884-1997.