AS/NZS 3008.1.1:2025

Table 3.22

Current ratings (d.c.), two single‑core cables, cross-linked 90 °C

The DC cable size tool reads the d.c. rating here for two single‑core cross-linked cables, in copper or aluminium, for each installation method.

Verified: read against the printed standard, pages 56–57. Checked 27 Sept 2026.

Units: Rating A

These are the values AmpSize encodes. No text of the standard is reproduced. Verify against the current standard.

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20 rows

Table 3.22, Current ratings (d.c.), two single-core cables, cross-linked 90 °C
Size	Cu spaced apart	Cu spaced from surface	Cu touching	Cu sun	Cu enclosed air	Cu insulation partial	Cu insulation complete	Cu buried direct	Cu underground one enclosure	Cu underground separate enclosures	Al spaced apart	Al spaced from surface	Al touching	Al sun	Al enclosed air	Al insulation partial	Al insulation complete	Al buried direct	Al underground one enclosure	Al underground separate enclosures
1	20	20	16	12	16	13	8	28	20	24	—	—	—	—	—	—	—	—	—	—
1.5	26	25	20	15	21	16	10	36	26	30	—	—	—	—	—	—	—	—	—	—
2.5	36	36	28	21	30	24	14	50	36	41	—	—	—	—	—	—	—	—	—	—
4	48	47	37	28	38	30	19	64	46	53	—	—	—	—	—	—	—	—	—	—
6	61	60	47	36	47	38	24	80	58	66	—	—	—	—	—	—	—	—	—	—
10	84	82	65	48	65	52	32	107	78	87	—	—	—	—	—	—	—	—	—	—
16	112	108	86	64	84	67	43	139	100	112	87	84	67	50	65	52	33	107	78	87
25	151	145	117	86	113	90	58	179	131	146	117	112	91	66	87	70	45	139	102	114
35	186	177	144	105	135	108	72	215	157	175	144	137	111	81	105	84	56	167	122	136
50	228	216	176	127	166	133	—	255	190	211	177	167	136	99	129	103	—	198	147	164
70	291	274	224	161	205	164	—	313	233	258	226	212	174	125	159	127	—	243	181	200
95	361	338	279	198	256	204	—	376	285	309	280	262	216	153	198	158	—	291	221	239
120	423	394	326	230	292	234	—	429	326	358	328	306	253	178	227	181	—	332	252	278
150	487	453	377	263	330	264	—	482	367	402	377	350	292	204	255	204	—	373	284	311
185	567	525	439	305	389	311	—	546	426	464	440	407	340	236	302	241	—	424	330	360
240	682	629	528	363	467	373	—	637	503	540	528	487	409	281	361	289	—	494	390	418
300	794	731	616	420	533	426	—	724	573	626	614	565	476	325	412	330	—	560	443	484
400	938	861	729	492	637	509	—	832	673	718	727	667	565	382	494	395	—	645	521	556
500	1106	1014	861	577	737	590	—	957	775	823	858	786	668	447	572	457	—	743	601	639
630	1315	1202	1026	680	894	715	—	1108	925	972	1019	931	795	527	693	554	—	858	716	753

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AS/NZS 3008.1.1:2025: what the AU part covers

Cables

Protection

Loads

Power

Solar

Safety

Earthing

Testing

Fire

Regulatory

Table 3.22

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