• Standard: BS 7671
• Table 4D1A
• Single-core thermoplastic insulated cables, 70°C, unarmored, with or without shielding.
• Copper conductors
• Driver temperature: 70 °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 F (outdoors or in a horizontal or vertical perforated cable tray)
							Playing			Spaced by a diameter
	2 cables, monophase CA or CC	3 or 4 ropes, Three-phase AC	2 cables, monophase CA or CC	3 or 4 ropes, Three-phase AC	2 cables, monophase CA or CC	3 or 4 ropes, Three-phase AC	2 cables, monophase CA or CC map	3 cables, three-phase AC map	3 cables, Three-phase AC Clover	2 single-phase cables AC or DC or 3 cables three-phase AC flat
										Horizontal	Vertical
1	2	3	4	5	6	7	8	9	10	11	12
1	11	10.5	13.5	12	15.5	14
1.5	14.5	13.5	17.5	15.5	20	18
2.5	20	18	24	21	27	25
4	26	24	32	28	37	33
6	34	31	41	36	47	43
10	46	42	57	50	65	59
16	61	56	76	68	87	79
25	80	73	101	89	114	104	131	114	110	146	130
35	99	89	125	110	141	129	162	143	137	181	162
50	119	108	151	134	182	167	196	174	167	219	197
70	151	136	192	171	234	214	251	225	216	281	254
95	182	164	232	207	284	261	304	275	264	341	311
120	210	188	269	239	330	303	352	321	308	396	362
150	240	216	300	262	381	349	406	372	356	456	419
185	273	245	341	296	436	400	463	427	409	521	480
240	321	286	400	346	515	472	546	507	485	615	569
300	367	328	458	394	594	545	629	587	561	709	659
400			546	467	694	634	754	689	656	852	795
500			626	533	792	723	868	789	749	982	920
630			720	611	904	826	1005	905	855	1138	1070
800					1030	943	1086	1020	971	1265	1188
1000					1154	1058	1216	1149	1079	1420	1337