AS/NZS 3008.1.1:2017

Table 8

Current ratings, single‑core cable, three cables per circuit, cross-linked 90 °C

With the AU standard, the cable size tool reads this table for single‑core cross-linked cable on a three‑phase circuit. It gives the printed rating in copper or aluminium for each installation method.

Verified: read against the printed standard, pages 47–49. Checked 24 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 8, Current ratings, single-core cable, three cables per circuit, 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	19	16	16	12	15	12	8	18	18	22	—	—	—	—	—	—	—	—	—	—
1.5	25	21	20	15	18	15	10	22	22	27	—	—	—	—	—	—	—	—	—	—
2.5	35	30	28	21	25	20	14	31	31	38	—	—	—	—	—	—	—	—	—	—
4	46	40	37	28	33	26	19	40	40	49	—	—	—	—	—	—	—	—	—	—
6	59	50	47	36	42	34	24	50	50	60	—	—	—	—	—	—	—	—	—	—
10	81	69	65	48	56	45	32	67	67	79	—	—	—	—	—	—	—	—	—	—
16	108	92	86	64	72	58	43	117	86	101	84	71	67	50	56	45	33	91	66	79
25	146	125	117	86	97	77	58	151	113	132	113	97	91	66	75	60	45	117	87	103
35	180	154	144	105	120	96	72	180	137	158	140	119	111	81	93	75	56	140	106	122
50	221	188	176	127	143	114	—	214	163	190	171	146	136	99	111	89	—	166	126	147
70	282	240	224	160	183	146	—	262	203	232	219	186	174	124	142	114	—	203	158	180
95	350	298	278	197	220	176	—	313	244	276	271	232	216	153	171	137	—	243	190	214
120	410	349	325	229	261	209	—	356	284	320	318	271	253	178	203	162	—	277	221	248
150	472	403	375	262	295	236	—	400	320	358	366	313	291	203	229	183	—	310	249	277
185	550	468	435	302	335	268	—	452	363	413	427	365	339	235	261	209	—	352	283	321
240	660	560	521	358	399	320	—	523	426	477	513	438	407	280	312	250	—	409	333	371
300	766	648	602	410	469	375	—	589	491	552	596	508	472	322	368	294	—	463	385	430
400	899	756	702	474	534	427	—	668	557	626	705	599	557	376	424	339	—	530	442	491
500	1051	874	812	544	633	506	—	752	648	707	829	703	652	437	509	407	—	604	520	559
630	1230	1010	938	621	714	571	—	843	727	820	978	824	765	507	583	466	—	688	593	654

Cables

Protection

Loads

Power

Solar

Safety

Earthing

Testing

Fire

Regulatory

Table 8

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