• Standard: BS 7671
• Table 4E2A
• Thermoset insulated multi-core cables (90°C) with thermoplastic sheathing, unarmored.
• Copper conductors
• Driver temperature: 90 °C
• Ambient temperature: 30°C

 

Area da section cross nominal do conductor [mm²]	Current carrying capacity in [A]
	Reference Method A (enclosed in conduit) on the wall with thermal insulation etc.)		Reference Method B (enclosed in conduit) on a wall or in channel, etc.)		Reference Method C (Cut directly)		Reference Method E (outdoors or in perforated cable tray horizontal or vertical)
	1 two-phase cable CA or CC	1 three-phase cable or 1 four-phase cable CA	1 two-phase cable CA or CC	1 three-phase cable or 1 four-phase cable CA	1 two-phase cable CA or CC	1 three-phase cable or 1 four-phase cable CA	1 two-phase cable CA or CC	1 three-phase cable or 1 four-phase cable CA
1	2	3	4	5	6	7	8	9
1	14.5	13	17	15	19	17	21	18
1.5	18.5	16.5	22	19.5	24	22	26	23
2.5	25	22	30	26	33	30	36	32
4	33	30	40	35	45	40	49	42
6	42	38	51	44	58	52	63	54
10	57	51	69	60	80	71	86	75
16	76	68	91	80	107	96	115	100
25	99	89	119	105	138	119	149	127
35	121	109	146	128	171	147	185	158
50	145	130	175	154	209	179	225	192
70	183	164	221	194	269	229	289	246
95	220	197	265	233	328	278	352	298
120	253	227	305	268	382	322	410	346
150	290	259	334	300	441	371	473	399
185	329	295	384	340	506	424	542	456
240	386	346	459	398	599	500	641	538
300	442	396	532	455	693	576	741	621
400			625	536	803	667	865	741