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Cable Construction

Conductor: Stranded Compact Circular Aluminium / Copper as per Class 2 of IS 8130

Conductor Screening: Extruded Semiconductor Compound

Insulation Material: XLPE (Cross linked Polyethylene)

Insulation Screening: Extruded Semiconducting Compound followed by helically wrapped copper tape

Inner Sheath: Extruded PVC Type ST-2 as per IS 5831. Also available with FR / FR-LSH properties

Armour: Single layer of non-magnetic (aluminium) round wire / flat strip

Sheath: Extruded PVC Type ST-2 as per IS 5831. Also available with FR / FR-LSH properties

Standard

IS 7098 Part 2

Variants as per voltage grade

3.3kV (E) & (UE) Unscreened & Screened cable

3.8/6.6 kV Screened cable

6.35/11 kV Screened cable/6.6 kV (UE)

11/11 kV Screened cable/11 kV (UE)

12.7/22 kV Screened cable/22 kV (E)

19/33 kV Screened cable/33 kV (E)

33 kV (UE) Screened cable

where, E – Earthed system & UE – Unearthed system

Cable Technical Data

Variants with Copper Conductor

Table 1

1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal size of conductor sq.mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal size of conductor sq.mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm/	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thickness mm	Approx.overall diameter mm	Approx.Cable Weight kg/km
35	2.5	2.0	20	694	0.3	4 x 0.8	1.40	1.40	739	1.6	1.40	22	810
50	2.5	2.0	21	832	0.3	4 x 0.8	1.40	1.40	882	1.6	1.40	23	955
70	2.5	2.0	23	1063	0.3	4 x 0.8	1.40	1.40	1116	1.6	1.40	25	1199
95	2.5	2.0	25	1350	0.3	4 x 0.8	1.40	1.40	1405	1.6	1.40	27	1496
120	2.5	2.0	26	1608	0.3	4 x 0.8	1.40	1.40	1405	1.6	1.56	28	1790
150	2.5	2.0	28	1896	0.3	4 x 0.8	1.56	1.56	1982	1.6	1.56	30	2086
185	2.5	2.2	30	2290	0.3	4 x 0.8	1.56	1.56	2351	2.0	1.56	32	2534
240	2.5	2.2	32	2861	0.4	4 x 0.8	1.56	1.56	2931	2.0	1.56	34	3116
300	2.5	2.2	34	3459	0.4	4 x 0.8	1.56	1.56	3531	2.0	1.56	36	3734
400	2.6	2.2	37	4302	0.4	4 x 0.8	1.56	1.56	4388	2.0	1.72	40	4634
500	2.8	2.4	41	5437	0.4	4 x 0.8	1.72	1.72	5520	2.0	1.88	44	5799
630	3.0	2.6	45	6906	0.5	4 x 0.8	1.88	1.88	6991	2.5	2.04	49	7433
800	3.3	2.6	49	8653	0.5	4 x 0.8	2.04	2.04	8788	2.5	2.04	53	9225
1000	3.5	2.8	54	10732	0.6	4 x 0.8	2.20	2.20	10869	2.5	2.20	58	11353

Table 2

3.8/6.6 KV (E) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	2.8	2.0	19	603	0.3	4 x 0.8	1.40	20	649	1.6	1.40	21	720
35	2.8	2.0	21	718	0.3	4 x 0.8	1.40	21	761	1.6	1.40	23	837
50	2.8	2.0	22	857	0.3	4 x 0.8	1.40	22	905	1.6	1.40	24	984
70	2.8	2.0	23	1090	0.3	4 x 0.8	1.40	24	1141	1.6	1.40	25	1229
95	2.8	2.0	25	1378	0.3	4 x 0.8	1.40	26	1440	1.6	1.40	27	1528
120	2.8	2.0	27	1638	0.3	4 x 0.8	1.40	27	1703	1.6	1.56	29	1824
150	2.8	2.0	28	1927	0.3	4 x 0.8	1.56	29	2020	1.6	1.56	31	2121
185	2.8	2.2	30	2323	0.3	4 x 0.8	1.56	30	2390	2.0	1.56	33	2566
240	2.8	2.2	32	2896	0.4	4 x 0.8	1.56	33	2965	2.0	1.56	35	3158
300	3.0	2.2	35	3522	0.4	4 x 0.8	1.56	35	3599	2.0	1.56	37	3803
400	3.3	2.2	38	4397	0.4	4 x 0.8	1.72	39	4518	2.0	1.72	41	4744
500	3.5	2.4	42	5542	0.5	4 x 0.8	1.72	43	5629	2.0	1.88	45	5919
630	3.5	2.6	46	6988	0.5	4 x 0.8	1.88	46	7078	2.5	2.04	50	7526
800	3.5	2.6	50	8689	0.5	4 x 0.8	2.04	50	8823	2.5	2.04	54	9273
1000	3.6	2.8	54	10751	0.6	4 x 0.8	2.20	55	10888	2.5	2.20	58	11371

Table 3

6.35/11 KV (E) Single core Copper Conductor XLPE Insulated Armoured & Unarmoured Cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	3.6	2.0	21	666	0.3	4 x 0.8	1.40	21	716	1.6	1.40	23	789
35	3.6	2.0	22	784	0.3	4 x 0.8	1.40	23	838	1.6	1.40	24	915
50	3.6	2.0	23	925	0.3	4 x 0.8	1.40	24	977	1.6	1.40	25	1065
70	3.6	2.0	25	1163	0.3	4 x 0.8	1.40	25	1225	1.6	1.40	27	1314
95	3.6	2.0	27	1456	0.3	4 x 0.8	1.40	27	1521	1.6	1.56	29	1642
120	3.6	2.0	28	1720	0.3	4 x 0.8	1.56	29	1812	1.6	1.56	31	1914
150	3.6	2.2	30	2044	0.3	4 x 0.8	1.56	31	2110	2.0	1.56	33	2286
185	3.6	2.2	32	2415	0.4	4 x 0.8	1.56	32	2485	2.0	1.56	34	2670
240	3.6	2.2	34	2994	0.4	4 x 0.8	1.56	34	3065	2.0	1.56	37	3268
300	3.6	2.2	36	3599	0.4	4 x 0.8	1.56	36	3681	2.0	1.72	39	3925
400	3.6	2.2	39	4439	0.4	4 x 0.8	1.72	40	4559	2.0	1.72	42	4794
500	3.6	2.4	43	5558	0.5	4 x 0.8	1.72	43	5644	2.0	1.88	46	5934
630	3.6	2.6	47	7005	0.5	4 x 0.8	1.88	47	7094	2.5	2.04	50	7543
800	3.6	2.8	50	8757	0.5	4 x 0.8	2.04	50	8840	2.5	2.04	54	9290
1000	3.6	2.8	54	10751	0.6	4 x 0.8	2.20	55	10888	2.5	2.20	58	11371

Table 4

11/11 KV (UE) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	5.5	2.0	25	833	0.3	4 x 0.8	1.40	25	888	1.6	1.40	27	984
35	5.5	2.0	26	957	0.3	4 x 0.8	1.40	26	1017	1.6	1.56	28	1133
50	5.5	2.0	27	1105	0.3	4 x 0.8	1.40	27	1170	1.6	1.56	29	1291
70	5.5	2.2	29	1382	0.3	4 x 0.8	1.56	29	1444	1.6	1.56	31	1552
95	5.5	2.2	31	1689	0.3	4 x 0.8	1.56	31	1754	2.0	1.56	34	1938
120	5.5	2.2	33	1964	0.4	4 x 0.8	1.56	33	2040	2.0	1.56	35	2226
150	5.5	2.2	34	2269	0.4	4 x 0.8	1.56	34	2348	2.0	1.56	37	2543
185	5.5	2.2	36	2649	0.4	4 x 0.8	1.56	36	2732	2.0	1.72	39	2967
240	5.5	2.2	38	3242	0.4	4 x 0.8	1.72	38	3356	2.0	1.72	41	3581
300	5.5	2.4	40	3900	0.4	4 x 0.8	1.72	40	3986	2.0	1.72	43	4222
400	5.5	2.4	43	4762	0.5	4 x 0.8	1.88	44	4889	2.0	1.88	46	5145
500	5.5	2.6	47	5908	0.5	4 x 0.8	1.88	47	5997	2.5	2.04	51	6445
630	5.5	2.8	51	7385	0.5	4 x 0.8	2.04	51	7467	2.5	2.20	55	7961
800	5.5	2.8	54	9112	0.6	4 x 0.8	2.20	55	9249	2.5	2.20	58	9732
1000	5.5	3.0	59	11190	0.6	4 x 0.8	2.20	59	11281	2.5	2.36	62	11889

Table 5

12.7/22 KV (E) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	6	2.0	26	881	0.3	4 x 0.8	1.40	26	941	1.6	1.56	28	1057
35	6	2.0	27	1006	0.3	4 x 0.8	1.40	27	1071	1.6	1.56	29	1192
50	6	2.0	28	1156	0.3	4 x 0.8	1.56	29	1249	1.6	1.56	30	1351
70	6	2.2	30	1437	0.3	4 x 0.8	1.56	30	1504	2.0	1.56	33	1680
95	6	2.2	32	1748	0.4	4 x 0.8	1.56	32	1817	2.0	1.56	35	2011
120	6	2.2	34	2025	0.4	4 x 0.8	1.56	34	2098	2.0	1.56	36	2301
150	6	2.2	35	2332	0.4	4 x 0.8	1.56	35	2408	2.0	1.56	38	2621
185	6	2.2	37	2714	0.4	4 x 0.8	1.56	37	2794	2.0	1.72	40	3048
240	6	2.2	39	3311	0.4	4 x 0.8	1.72	39	3431	2.0	1.72	42	3666
300	6	2.4	41	3974	0.4	4 x 0.8	1.72	41	4057	2.0	1.88	44	4336
400	6	2.4	44	4840	0.5	4 x 0.8	1.88	45	4965	2.0	1.88	47	5238
500	6	2.6	48	5993	0.5	4 x 0.8	1.88	48	6086	2.5	2.04	52	6555
630	6	2.8	52	7477	0.5	4 x 0.8	2.04	52	7563	2.5	2.20	56	8063
800	6	2.8	55	9209	0.6	4 x 0.8	2.20	56	9343	2.5	2.20	59	9841
1000	6	3.0	60	11295	0.6	4 x 0.8	2.36	60	11430	2.5	2.36	63	11975

Table 6

19/33 KV (E) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	8.8	2.2	32	1210	0.4	4 x 0.8	1.56	32	1280	2.00	1.56	35	1474
35	8.8	2.2	33	1346	0.4	4 x 0.8	1.56	33	1421	2.00	1.56	36	1615
50	8.8	2.2	34	1507	0.4	4 x 0.8	1.56	34	1587	2.00	1.56	37	1782
70	8.8	2.2	36	1776	0.4	4 x 0.8	1.56	36	1858	2.00	1.72	39	2102
95	8.8	2.2	38	2104	0.4	4 x 0.8	1.72	38	2219	2.00	1.72	41	2444
120	8.8	2.4	40	2434	0.4	4 x 0.8	1.72	40	2514	2.00	1.72	42	2749
150	8.8	2.4	41	2757	0.4	4 x 0.8	1.72	41	2840	2.00	1.88	44	3119
185	8.8	2.4	43	3154	0.5	4 x 0.8	1.72	43	3241	2.00	1.88	45	3531
240	8.8	2.6	45	3818	0.5	4 x 0.8	1.88	45	3897	2.50	2.04	49	4346
300	8.8	2.6	47	4463	0.5	4 x 0.8	1.88	47	4551	2.50	2.04	51	5013
400	8.8	2.8	51	5410	0.5	4 x 0.8	2.04	51	5493	2.50	2.20	54	5986
500	8.8	2.8	54	6552	0.6	4 x 0.8	2.20	54	6682	2.50	2.20	58	7174
630	8.8	3.0	58	8078	0.6	4 x 0.8	2.20	58	8164	2.50	2.36	61	8722
800	8.8	3.2	62	9907	0.6	4 x 0.8	2.36	61	9984	3.15	2.52	66	10821
1000	8.8	3.2	66	11979	0.7	4 x 0.8	2.52	66	12116	3.15	2.68	71	13002

Table 7

33/33 KV (UE) Single core Copper conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
		UNARMOURED CABLE				STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor	Nominal Insulation thickness	Nominal thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight	Minimum inner sheath thickness	Nominal dimension of strip	Minimum thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight	Nominal dimension of wire	Minimum thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight
Sq.mm	mm	mm	mm	kg/km	mm	mm	mm	mm	kg/km	mm	mm	mm	kg/km
25	9	2.2	32	1242	0.4	4 x 0.8	1.56	33	1280	2	1.56	36	1485
35	9	2.2	33	1379	0.4	4 x 0.8	1.56	34	1421	2	1.56	37	1627
50	9	2.2	35	1541	0.4	4 x 0.8	1.56	35	1583	2	1.56	38	1799
70	9	2.2	36	1811	0.4	4 x 0.8	1.56	37	1849	2	1.72	40	2107
95	9	2.2	38	2141	0.4	4 x 0.8	1.72	39	2194	2	1.72	42	2432
120	9	2.4	40	2473	0.4	4 x 0.8	1.72	41	2497	2	1.72	43	2746
150	9	2.4	42	2797	0.4	4 x 0.8	1.72	42	2823	2	1.88	45	3118
185	9	2.4	43	3196	0.5	4 x 0.8	1.72	43	3202	2	1.88	46	3507
240	9	2.6	46	3863	0.5	4 x 0.8	1.88	46	3875	2.5	2.04	50	4312
300	9	2.6	48	4509	0.5	4 x 0.8	1.88	48	4536	2.5	2.04	53	5009
400	9	2.8	51	5459	0.5	4 x 0.8	2.04	52	5843	2.5	2.2	56	5977
500	9	2.8	54	6604	0.6	4 x 0.8	2.2	55	6540	2.5	2.2	59	7046
630	9	3	58	8133	0.6	4 x 0.8	2.2	59	8035	2.5	2.36	63	8626
800	9	3.2	62	9966	0.6	4 x 0.8	2.36	62	9793	3.15	2.52	68	10631
1000	9	3.2	66	12042	0.6	4 x 0.8	2.52	67	11876	3.15	2.68	72	12794

Table 8

1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Single core Copper conductor XLPE insulated armoured unscreened cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Minimum inner sheath thickness mm	TRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight mm	Nominal dimension of wire mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	2.5	0.3	–	–	–	–	1.4	1.24	17	484
35	2.5	0.3	–	–	–	–	1.4	1.40	18	607
50	2.5	0.3	4 x 0.8	1.40	18	696	1.6	1.40	19	760
70	2.5	0.3	4 x 0.8	1.40	19	914	1.6	1.40	21	987
95	2.5	0.3	4 x 0.8	1.40	21	1192	1.6	1.40	23	1266
120	2.5	0.3	4 x 0.8	1.40	23	1440	1.6	1.40	25	1522
150	2.5	0.3	4 x 0.8	1.40	24	1716	1.6	1.40	26	1802
185	2.5	0.3	4 x 0.8	1.40	26	2070	1.6	1.56	28	2186
240	2.5	0.4	4 x 0.8	1.56	28	2640	1.6	1.56	30	2744
300	2.5	0.4	4 x 0.8	1.56	31	3227	2.0	1.56	33	3402
400	2.6	0.4	4 x 0.8	1.56	34	4042	2.0	1.56	36	4237
500	2.8	0.4	4 x 0.8	1.56	37	5109	2.0	1.71	40	5356
630	3.0	0.5	4 x 0.8	1.72	42	6522	2.0	1.88	44	6810
800	3.3	0.5	4 x 0.8	1.88	46	8267	2.5	2.04	50	8709
1000	3.5	0.6	4 x 0.8	2.03	51	10288	2.5	2.20	55	10781

Variants with Aluminium Conductor

Table 9

1.9/3.3 KV (E) & 3.3/3.3 KV (UE) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	2.5	2.0	19	19	0.3	4 x 0.8	1.40	19	470	1.6	1.40	21	543
35	2.5	2.0	20	20	0.3	4 x 0.8	1.40	20	531	1.6	1.40	22	601
50	2.5	2.0	21	21	0.3	4 x 0.8	1.40	21	600	1.6	1.40	23	673
70	2.5	2.0	23	23	0.3	4 x 0.8	1.40	23	709	1.6	1.40	25	792
95	2.5	2.0	25	25	0.3	4 x 0.8	1.40	25	839	1.6	1.40	27	930
120	2.5	2.0	26	26	0.3	4 x 0.8	1.40	27	955	1.6	1.56	28	1077
150	2.5	2.0	28	28	0.3	4 x 0.8	1.56	28	1100	1.6	1.56	30	1204
185	2.5	2.2	30	30	0.3	4 x 0.8	1.56	30	1251	2.0	1.56	32	1434
240	2.5	2.2	32	32	0.4	4 x 0.8	1.56	32	1484	2.0	1.56	34	1669
300	2.5	2.2	34	34	0.4	4 x 0.8	1.56	34	1712	2.0	1.56	36	1915
400	2.6	2.2	37	37	0.4	4 x 0.8	1.56	37	2069	2.0	1.72	40	2315
500	2.8	2.4	41	41	0.4	4 x 0.8	1.72	41	2545	2.0	1.88	44	2824
630	3	2.6	45	45	0.5	4 x 0.8	1.88	45	3138	2.5	2.04	49	3579
800	3.3	2.6	49	49	0.5	4 x 0.8	2.04	50	3849	2.5	2.04	53	4285
1000	3.5	2.8	54	54	0.6	4 x 0.8	2.20	55	4683	2.5	2.20	58	5166

Table 10

3.8/6.6 KV (E) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	8.8	2.0	19	453	0.3	4 x 0.8	1.40	20	499	1.6	1.40	21	569
35	8.8	2.0	21	509	0.3	4 x 0.8	1.40	21	552	1.6	1.40	23	628
50	8.8	2.0	22	574	0.3	4 x 0.8	1.40	22	622	1.6	1.40	24	702
70	8.8	2.0	23	683	0.3	4 x 0.8	1.40	24	734	1.6	1.40	25	822
95	8.8	2.0	25	812	0.3	4 x 0.8	1.40	26	874	1.6	1.40	27	962
120	8.8	2.0	27	925	0.3	4 x 0.8	1.40	27	991	1.6	1.56	29	1111
150	8.8	2.0	28	1045	0.3	4 x 0.8	1.56	29	1138	1.6	1.56	31	1240
185	8.8	2.2	30	1223	0.3	4 x 0.8	1.56	30	1290	2.0	1.56	33	1465
240	8.8	2.2	32	1449	0.4	4 x 0.8	1.56	33	1517	2.0	1.56	35	1711
300	8.8	2.2	35	1702	0.4	4 x 0.8	1.56	35	1779	2.0	1.56	37	1983
400	8.8	2.2	38	2078	0.4	4 x 0.8	1.72	39	2199	2.0	1.72	41	2425
500	8.8	2.4	42	2567	0.5	4 x 0.8	1.72	43	2654	2.0	1.88	45	2943
630	8.8	2.6	46	3134	0.5	4 x 0.8	1.88	46	3225	2.5	2.04	50	3673
800	8.8	2.6	50	3749	0.5	4 x 0.8	2.04	50	3883	2.5	2.04	54	4333
1000	8.8	2.8	54	4565	0.6	4 x 0.8	2.20	55	4701	2.5	2.20	58	5185

Table 11

6.35/11 KV (E) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	3.6	2.0	21	516	0.3	4 x 0.8	1.40	21	566	1.6	1.40	23	639
35	3.6	2.0	22	575	0.3	4 x 0.8	1.40	23	630	1.6	1.40	24	706
50	3.6	2.0	23	643	0.3	4 x 0.8	1.40	24	694	1.6	1.40	25	782
70	3.6	2.0	25	756	0.3	4 x 0.8	1.40	25	818	1.6	1.40	27	907
95	3.6	2.0	27	890	0.3	4 x 0.8	1.40	27	955	1.6	1.56	29	1076
120	3.6	2.0	28	1007	0.3	4 x 0.8	1.56	29	1099	1.6	1.56	31	1201
150	3.6	2.2	30	1161	0.3	4 x 0.8	1.56	31	1228	2.0	1.56	33	1404
185	3.6	2.2	32	1314	0.4	4 x 0.8	1.56	32	1384	2.0	1.56	34	1569
240	3.6	2.2	34	1546	0.4	4 x 0.8	1.56	34	1618	2.0	1.56	37	1821
300	3.6	2.2	36	1779	0.4	4 x 0.8	1.56	36	1861	2.0	1.72	39	2105
400	3.6	2.2	39	2120	0.4	4 x 0.8	1.72	40	2240	2.0	1.72	42	2474
500	3.6	2.4	43	2582	0.5	4 x 0.8	1.72	43	2668	2.0	1.88	46	2958
630	3.6	2.6	47	3151	0.5	4 x 0.8	1.88	47	3241	2.5	2.04	50	3689
800	3.6	2.8	50	3816	0.5	4 x 0.8	2.04	50	3901	2.5	2.04	54	4350
1000	3.6	2.8	54	4565	0.6	4 x 0.8	2.20	55	4701	2.5	2.20	58	5185

Table 12

11/11 KV (UE) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	5.5	2.0	25	683	0.3	4 x 0.8	1.40	25	737	1.6	1.40	27	834
35	5.5	2.0	26	748	0.3	4 x 0.8	1.40	26	808	1.6	1.56	28	924
50	5.5	2.0	27	822	0.3	4 x 0.8	1.40	27	887	1.6	1.56	29	1008
70	5.5	2.2	29	975	0.3	4 x 0.8	1.56	29	1037	1.6	1.56	31	1145
95	5.5	2.2	31	1123	0.3	4 x 0.8	1.56	31	1187	2.0	1.56	34	1371
120	5.5	2.2	33	1251	0.4	4 x 0.8	1.56	33	1327	2.0	1.56	35	1513
150	5.5	2.2	34	1386	0.4	4 x 0.8	1.56	34	1465	2.0	1.56	37	1661
185	5.5	2.2	36	1548	0.4	4 x 0.8	1.56	36	1631	2.0	1.72	39	1866
240	5.5	2.2	38	1793	0.4	4 x 0.8	1.72	38	1908	2.0	1.72	41	2133
300	5.5	2.4	40	2079	0.4	4 x 0.8	1.72	40	2165	2.0	1.72	43	2401
400	5.5	2.4	43	2441	0.5	4 x 0.8	1.88	44	2569	2.0	1.88	46	2825
500	5.5	2.6	47	2932	0.5	4 x 0.8	1.88	47	3020	2.5	2.04	51	3469
630	5.5	2.8	51	3530	0.5	4 x 0.8	2.04	51	3613	2.5	2.20	55	4106
800	5.5	2.8	54	4170	0.6	4 x 0.8	2.20	55	4308	2.5	2.20	58	4791
1000	5.5	3.0	59	5002	0.6	4 x 0.8	2.20	59	5094	2.5	2.36	62	5701

Table 13

12.7/22 KV (E) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	6	2.0	26	730	0.3	4 x 0.8	1.40	26	790	1.6	1.56	28	907
35	6	2.0	27	797	0.3	4 x 0.8	1.40	27	862	1.6	1.56	29	983
50	6	2.0	28	873	0.3	4 x 0.8	1.56	29	966	1.6	1.56	30	1068
70	6	2.2	30	1030	0.3	4 x 0.8	1.56	30	1097	2.0	1.56	33	1273
95	6	2.2	32	1181	0.4	4 x 0.8	1.56	32	1250	2.0	1.56	35	1444
120	6	2.2	34	1311	0.4	4 x 0.8	1.56	34	1384	2.0	1.56	36	1588
150	6	2.2	35	1449	0.4	4 x 0.8	1.56	35	1525	2.0	1.56	38	1738
185	6	2.2	37	1613	0.4	4 x 0.8	1.56	37	1693	2.0	1.72	40	1947
240	6	2.2	39	1862	0.4	4 x 0.8	1.72	39	1983	2.0	1.72	42	2217
300	6	2.4	41	2152	0.4	4 x 0.8	1.72	41	2236	2.0	1.88	44	2515
400	6	2.4	44	2519	0.5	4 x 0.8	1.88	45	2644	2.0	1.88	47	2918
500	6	2.6	48	3016	0.5	4 x 0.8	1.88	48	3110	2.5	2.04	52	3578
630	6	2.8	52	3621	0.5	4 x 0.8	2.04	52	3708	2.5	2.20	56	4208
800	6	2.8	55	4267	0.6	4 x 0.8	2.20	56	4402	2.5	2.20	59	4899
1000	6	3.0	60	5107	0.6	4 x 0.8	2.36	60	5242	2.5	2.36	63	5787

Table 14

19/33 KV (E) Single core Aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
Nominal size of conductor sq.mm	Nominal insulation thickness mm	UNARMOURED CABLE			Minimum inner sheath thickness mm	STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor sq.mm	Nominal insulation thickness mm	Nominal thickness of PVC outer sheath mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Minimum inner sheath thickness mm	Nominal dimension of strip mm	Minimum PVC outer sheath thickness mm	Approx. overall diameter mm	Approx. Cable Weight kg/mm	Nominal dimension of wire mm	Minimum PVC outer sheath thicknes	Approx. overall diameter mm	Approx. Cable Weight kg/km
25	8.8	2.2	32	1060	0.4	4 x 0.8	1.56	32	1130	2	1.56	35	1323
35	8.8	2.2	33	1137	0.4	4 x 0.8	1.56	33	1211	2	1.56	36	1406
50	8.8	2.2	34	1224	0.4	4 x 0.8	1.56	34	1303	2	1.56	37	1499
70	8.8	2.2	36	1368	0.4	4 x 0.8	1.56	36	1450	2	1.72	39	1694
95	8.8	2.2	38	1536	0.4	4 x 0.8	1.72	38	1651	2	1.72	41	1876
120	8.8	2.4	40	1720	0.4	4 x 0.8	1.72	40	1800	2	1.72	42	2035
150	8.8	2.4	41	1873	0.4	4 x 0.8	1.72	41	1956	2	1.88	44	2235
185	8.8	2.4	43	2052	0.5	4 x 0.8	1.72	43	2139	2	1.88	45	2429
240	8.8	2.6	45	2369	0.5	4 x 0.8	1.88	45	2447	2.5	2.04	49	2897
300	8.8	2.6	47	2640	0.5	4 x 0.8	1.88	47	2728	2.5	2.04	51	3190
400	8.8	2.8	51	3088	0.5	4 x 0.8	2.04	51	3172	2.5	2.20	54	3665
500	8.8	2.8	54	3574	0.6	4 x 0.8	2.20	54	3705	2.5	2.20	58	4196
630	8.8	3.0	58	4221	0.6	4 x 0.8	2.20	58	4308	2.5	2.36	61	4866
800	8.8	3.2	62	4963	0.6	4 x 0.8	2.36	61	5040	3.15	2.52	66	5877
1000	8.8	3.2	66	5789	0.7	4 x 0.8	2.52	66	5927	3.15	2.68	71	6813

Table 15

33/33 KV (UE) Single core aluminium conductor XLPE insulated armoured & unarmoured cable as per IS 7098-2
		UNARMOURED CABLE				STRIP ARMOURED CABLE				WIRE ARMOURED CABLE
Nominal size of conductor	Nominal Insulation thickness	Nominal thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight	Minimum inner sheath thickness	Nominal dimension of strip	Minimum thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight	Nominal dimension of wire	Minimum thickness of PVC outer sheath	Approx. overall diameter	Approx. cable weight
Sq.mm	mm	mm	mm	kg/km	mm	mm	mm	mm	kg/km	mm	mm	mm	kg/km
25	9	2.2	32	1048	0.4	4 x 0.8	1.56	33	1103	2	1.56	36	1266
35	9	2.2	33	1127	0.4	4 x 0.8	1.56	34	1185	2	1.56	37	1350
50	9	2.2	35	1212	0.4	4 x 0.8	1.56	35	1273	2	1.56	38	1441
70	9	2.2	36	1351	0.4	4 x 0.8	1.56	37	1411	2	1.72	40	1620
95	9	2.2	38	1505	0.4	4 x 0.8	1.72	39	1595	2	1.72	42	1784
120	9	2.4	40	1700	0.4	4 x 0.8	1.72	41	1750	2	1.72	43	1950
150	9	2.4	42	1845	0.4	4 x 0.8	1.72	42	1896	2	1.88	45	2137
185	9	2.4	43	2012	0.5	4 x 0.8	1.72	43	2063	2	1.88	46	2312
240	9	2.6	46	2343	0.5	4 x 0.8	1.88	46	2378	2.5	2.04	50	2770
300	9	2.6	48	2589	0.5	4 x 0.8	1.88	48	2622	2.5	2.04	53	3028
400	9	2.8	51	3062	0.5	4 x 0.8	2.04	52	3028	2.5	2.2	56	3522
500	9	2.8	54	3471	0.6	4 x 0.8	2.2	55	3522	2.5	2.2	59	3963
630	9	3	58	4104	0.6	4 x 0.8	2.2	59	4116	2.5	2.36	63	4650
800	9	3.2	62	4822	0.6	4 x 0.8	2.36	62	4779	3.15	2.52	68	5560
1000	9	3.2	66	5617	0.6	4 x 0.8	2.52	67	5613	3.15	2.68	72	6450

Electrical Parameters

Current Carrying Capacity

Nominal Size of Conductor Sq. mm	Single core cable Current Carrying Capacity (Amps.)
	Aluminium			Copper
	In Ground at 30°C	In Duct at 30°C	In Air at 40°C	In Ground at 30°C	In Duct at 30°C	In Air at 40°C
35	117	104	139	151	134	181
50	138	123	166	178	158	216
70	168	149	208	216	191	269
95	200	177	252	257	227	326
120	227	201	292	290	256	376
150	252	223	329	323	285	424
185	285	251	380	360	317	487
240	326	286	448	411	361	568
300	365	319	511	456	399	643
400	412	359	593	508	443	735
500	461	401	680	559	486	828
630	514	445	777	611	529	930
800	552	476	863	639	550	1003
1000	595	509	954	672	575	1083

Capacitance

Size	Capacitance (Microfarads/km) Single core cable Voltage Grade (kV)
Size	1.9/3.3 & 3.3/3.3	3.8/6.6	6.6/6.6 & 6.35/11	11/11	12.7/22	19/33	33/33
35	–	–	–	–		–	–
50	0.32	0.26	0.22	–	–	–	–
70	0.37	0.30	0.24	0.18	–	–	–
95	0.41	0.34	0.28	0.20	0.19	0.14	0.14
120	0.46	0.38	0.30	0.22	0.20	0.16	0.15
150	0.50	0.40	0.33	0.23	0.22	0.16	0.16
185	0.55	0.44	0.36	0.25	0.24	0.18	0.17
240	0.61	0.49	0.40	0.28	0.26	0.19	0.18
300	0.67	0.51	0.43	0.30	0.28	0.21	0.20
400	0.75	0.52	0.48	0.34	0.31	0.23	0.22
500	0.79	0.56	0.55	0.38	0.35	0.26	0.24
630	0.83	0.64	0.62	0.43	0.40	0.29	0.27
800	0.87	0.71	0.69	0.47	0.44	0.32	0.30
1000	0.88	0.75	0.75	0.51	0.47	0.34	0.32

Reactance

Size	Approximate reactance at 50 Hz (Ohms/km) for Single core Voltage Grade (kV)
	1.9/3.3 & 3.3/3.3		3.8/6.6		6.6/6.6 & 6.35/11		11/11		12.7/22		19/33		33/33
	Arm	Un-Arm	Arm	Un-Arm	Arm	Un-Arm	Arm	Un-Arm	Arm	Un-Arm	Arm	Un-Arm	Arm	Un-Arm
35	0.139	0.125	–	–	–	–	–	–	–	–	–	–	–	–
50	0.124	0.117	0.126	0.121	0.121	0.126	0.140	0.136	0.143	0.155	0.140	0.151	–	–
70	0.115	0.108	0.117	0.112	0.112	0.117	0.130	0.126	0.133	0.144	0.133	0.141	–	–
95	0.109	0.103	0.110	0.106	0.106	0.111	0.124	0.120	0.126	0.136	0.127	0.133	0.139	0.136
120	0.104	0.098	0.105	0.101	0.101	0.105	0.118	0.115	0.120	0.130	0.122	0.127	0.130	0.129
150	0.101	0.096	0.102	0.099	0.099	0.103	0.115	0.111	0.117	0.127	0.118	0.123	0.127	0.126
185	0.0986	0.093	0.0999	0.096	0.096	0.100	0.111	0.108	0.112	0.123	0.115	0.120	0.123	0.122
240	0.0952	0.089	0.0964	0.093	0.093	0.096	0.106	0.103	0.108	0.117	0.110	0.114	0.117	0.116
300	0.092	0.088	0.0939	0.091	0.091	0.093	0.103	0.100	0.105	0.113	0.105	0.111	0.113	0.113
400	0.0892	0.085	0.0914	0.089	0.089	0.090	0.0993	0.096	0.101	0.109	0.102	0.106	0.109	0.108
500	0.0870	0.082	0.0895	0.087	0.087	0.087	0.0955	0.093	0.0971	0.105	0.099	0.102	0.105	0.104
630	0.0858	0.082	0.0877	0.085	0.085	0.085	0.0927	0.091	0.0942	0.101	0.096	0.099	0.101	0.101
800	0.0845	0.081	0.0848	0.083	0.083	0.083	0.0902	0.088	0.0914	0.098	0.092	0.096	0.098	0.097
1000	0.0839	0.080	0.0839	0.082	0.082	0.082	0.0886	0.086	0.0895	0.0958	0.090	0.094	0.0958	0.095

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