SIZE	NUMBER and NOMINAL DIAMETER of WIRES	CALCULATED SECTIONAL AREA	OVERALL DIAMETER	APPPROX. INSULATED DIAMETER	NOMINAL ELECTRIC RESISTANCE	ALLOWABLE AMPACITY OF INSULATED CONDUCTOR (Based on Ambient Temp. of 30oC)		APPROX. TOTAL WEIGHT of INSULATED COND.	STANDARD CUTTING LENGTH
.	mm	mm2	mm	mm	ohm/km, 20oC	A*	B**	kg/m	m
1.60mm	SOLID	2.011	1.60	4.00	8.5730	20	15	0.032658	150
2.0	SOLID	3.142	2.00	4.40	5.4870	30	20	0.044819	150
2.6	SOLID	5.309	2.60	5.00	3.2480	45	30	0.067256	150
3.2	SOLID	8.042	3.20	6.40	2.144	60	45	0.105268	150
2.0mm2	7c x 0.6	1.979	1.80	4.20	9.0	20	15	0.034304	150
3.5	7c x 0.8	3.519	2.40	4.80	5.06	30	20	0.051851	150
5.5	7c x 1.0	5.498	3.00	5.40	3.24	45	30	0.073488	150
8	7c x 1.2	7.917	3.60	6.80	2.25	60	45	0.110463	150
14	7c x 1.6	14.080	4.80	8.00	1.26	95	65	0.176501	150
22	7c x 2.0	21.990	6.00	9.20	0.801	130	85	0.258825	150
30	7c x 2.3	29.090	6.90	10.10	0.606	160	110	0.331360	150
38	19c x 1.6	38.200	8.00	11.60	0.461	185	125	0.442484	300
50	19c x 1.8	48.350	9.00	12.60	0.368	220	145	0.543964	300
60	19c x 2.0	59.700	10.00	13.60	0.295	250	160	0.655944	300
80	19c x 2.3	78.950	11.50	15.50	0.223	300	195	0.861500	300
100	19c x 2.6	100.900	13.00	17.00	0.175	355	220	1.075600	300
125	37c x 2.1	128.200	14.70	19.10	0.138	400	255	1.366208	300
150	37c x 2.3	153.700	16.10	20.50	0.115	440	280	1.615456	300
200	37c x 2.6	196.400	18.20	23.00	0.0902	540	330	2.052864	300
250	61c x 2.3	253.500	20.70	25.50	0.0701	620	375	2.608464	300
325	61c x 2.6	323.800	23.40	28.60	0.0548	720	435	3.315560	300
400	61c x 2.9	402.900	26.10	31.30	0.0448	810	485	4.071872	300
500	61c x 3.2	490.600	28.80	34.40	0.0362	930	540	4.943488	300

A* - Single conductor in free air
B** - Not more than three conductors in raceway or cable or earth

Reference: 
1. PNS 35 - Thermoplastic Insulated Electric Wires and Cables Specification
2. Philippine Electrical Code, Part I