1100 Volts Single Core Armoured Cables
(Aluminium Conductor) Type 'AYWY' to IS:1554(I) - 1988
Sl.			Normal Cross-Sectional Area of Conductor in mm2
No.	Description	Unit	1.5	2.5	4	6	10	16	25	35	50	70	95	120	150	185	240	300	400	500	630	800	1000
	Constructional Details
	Conductor (solid)
1	Minimum number of wires	nos.	1	1	1	1	1	6	6	6	6	12	15	15	15	30	30	30	53	53	53	53	91
2	Shape		Circular   solid												Circular Compacted								Circular
																							(noncom-
																							pacted)
	Conductor (stranded)
	Minimum number of wires	nos.	3	3	3	3	7	6	6	6	6	12	15	15	15	30	30	30	53	53	53	53	91
	Shape				Circular  Stranded										Circular Compacted								Circular
																							(noncom-
																							pacted)
	Insulation
3	Type												PVC Compound Type A to IS:5831
4	Nominal thickness	mm	1.1	1.2	1.3	1.3	1.3	1.3	1.5	1.5	1.7	1.7	1.9	1.9	2.1	2.3	2.5	2.7	3.0	3.4	3.9	3.9	3.9
	Armouring
5	Type and Material												Single Layer of Round Hard Drawn Aluminium Wires
6	Nominal Diameter of Wire		1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.4	1.6	1.6	1.6	1.6	1.6	1.6	2.0	2.0	2.0	2.0	2.5
7	Dia over laid up core			4.51	5.25	5.85	6.75	7.80	9.62	10.76	12.66	14.30	16.60	18.10	20.40	22.44	25.15	28.00	31.85	36.25	40.67	44.85	49.25
8	Dia over armoured (strip)			10.00	11.00	13.00	14.00	17.00	21.00	23.00	27.00	31.00	31.00	34.00	38.00	42.00	47.00	53.00	48.00	54.00	61.00	67.00	59.00
	Dia over armoured (wire)			7.31	8.05	8.65	9.55	10.60	12.42	13.56	15.46	17.10	19.80	21.30	23.60	25.64	28.35	31.20	35.85	40.25	44.67	48.85	54.25
	Outer sheath
9	Type												PVC Compound Type A to IS:5831
10	Colour												Black
11	Minimum thickness	mm	1.24	1.24	1.24	1.24	1.24	1.24	1.24	1.24	1.24	1.4	1.4	1.4	1.4	1.4	1.56	1.56	1.56	1.72	1.88	1.88	2.04
12	Approximate overall diameter of CBL	mm		10.0	10.7	11.3	12.2	13.3	15.1	16.2	18.1	20.1	22.8	24.3	26.6	28.6	31.7	34.6	39.2	43.9	48.6	52.8	56.6
	ELECTRICAL CHARECTERSTICS
13	Resistance of conductor per
	1000m length of completed cable
	a) Maximum d.c. resistance
	at 20 Deg. C.	ohm	18.1	12.1	7.41	4.61	3.08	1.91	1.20	0.868	0.641	0.443	0.320	0.253	0.206	0.164	0.125	0.1	0.0778	0.0605	0.0469	0.0367	0.0291
	b) a.c. resistance at 70 Deg. C	ohm	21.72	14.52	8.89	5.53	3.70	2.29	1.44	1.042	0.77	0.532	0.39	0.304	0.248	0.198	0.152	0.122	0.0962	0.0762	0.0608	0.0498	0.0421
14	Continuous current rating (a.c.) of
	cables under standard conditions
	(a) For two single core cables
	touching in horizontal formation-
	i) When laid direct in ground	amps	21	28	36	44	59	75	97	120	145	170	205	230	265	300	335	370	410	435	485	530	580
	ii) When laid in ducts	amps	19	25	33	42	56	71	93	110	130	155	180	200	220	240	270	295	335	355	395	440	490
	iii)When laid in air	amps	18	25	32	41	56	72	99	120	150	185	215	240	270	305	350	395	455	490	560	640	740
	(b) For three single core cables
	touching in trefoil formation
	i) When laid direct in ground	amps	17	24	31	39	51	66	86	100	120	140	175	195	220	240	270	295	325	345	390	440	490
	ii) When laid in ducts	amps	17	24	30	37	51	65	84	100	115	135	155	170	190	210	225	245	275	295	320	345	370
	iii)When laid in air	amps	15	21	27	35	47	64	84	105	130	155	190	220	250	290	335	380	435	480	550	640	720
15	Reactance per 1000m length of
	cable at 50 Hz(assuming 3 single	ohm	0.19	0.18	0.16	0.15	0.14	0.13	0.11	0.105	0.1	0.095	0.09	0.08	0.82	0.079	0.075	0.072	0.070	0.069	0.067	0.065	0.06
	core cables laid in trefoil touching
	formation)
16	Capacitance per 1000m length of	micro
	cable (assuming 3 single core CBL	farad	0.35	0.39	0.44	0.51	0.61	0.76	0.82	0.93	0.95	1.11	1.2	1.3	1.3	1.33	1.4	1.43	1.5	1.5	1.5	1.7	1.92
	laid in trefoil touching formation
17	Minimum volume resistivity
	of PVC insulation	cm											1 x 10 13 at 27 Deg C and 1 x 10 10 at 70 Deg C
18	Maximum permissible shortcircuit	kilo
	current for duration of one sencond	amps	0.114	0.190	0.304	0.456	0.760	1.216	1.900	2.660	3.800	5.320	7.220	9.120	11.400	14.060	18.240	22.800	30.400	38.000	47.880	60.800	76.000
19	Voltage drop per 1000m length of
	cable (assuming 3 single core
	cables used on 3 phase a.c system)
	a) When laid direct in ground	volts	639	604	478	374	327	262	215	180	163	132	118	104	99	87	80	71	62	61	54	54	50
	b) When laid in ducts	volts	639	604	462	355	327	258	210	180	156	126	104	92	85	76	66	59	54	52	45	42	38
	c)When laid in air	volts	565	528	416	336	301	255	210	191	175	146	132	121	113	106	99	92	90	83	87	88	87
	GENERAL  :
20	Approximate net weight per 1000 m	kg	120	140	160	180	200	250	320	370	450	500	730	840	970	1160	1455	1700	2210	2730	3435	4220	5180
	length of finished cable
21	Stranded length of cable (subject to	m									500
	a manufacturing tolerance +/-5%)
22	Drum Dimensions-
	a) Approximate overall height	mm	740	840	840	840	840	840	940	940	1040	1140	1140	1250	1250	1450	1450	1550	1650	1850	2050	2265	2365
	b) Approximate outer width	mm	515	515	515	515	665	665	690	690	715	715	855	855	855	855	855	910	1130	1180	1180	1420	1550
23	Approximate gross weight of drum	kg	105	120	130	140	155	180	230	255	310	380	465	550	615	760	905	1090	1415	1815	2295	2960	3540
24	Minimum bending radius for laying										15 x Overall Diameter of cable
	of cable
25	Recommended pulling force:
	a) When conductor pulled by pulling
	eye	N									30 x Total Conductor Area in mm2
	b) When cable pulled with stocking	N									5 x D2 where D is the Overall Diameter of cable in mm2
						STRANDED CONDUCTOR IS ALSO PERMISSIBLE IN THESE SIZES