AS/NZS 3008.1.2:2017

Table 8

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

The cable size tool reads the printed rating here for single‑core cross-linked cable on a three‑phase circuit, 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	21	18	18	13	17	13	9	19	19	24	—	—	—	—	—	—	—	—	—	—
1.5	28	23	22	17	20	17	11	24	24	29	—	—	—	—	—	—	—	—	—	—
2.5	39	33	31	23	28	22	15	33	33	41	—	—	—	—	—	—	—	—	—	—
4	51	44	41	31	36	29	21	43	43	52	—	—	—	—	—	—	—	—	—	—
6	65	55	52	40	46	37	26	54	54	64	—	—	—	—	—	—	—	—	—	—
10	89	76	72	53	62	50	35	72	72	85	—	—	—	—	—	—	—	—	—	—
16	119	101	95	70	79	64	47	125	92	108	92	78	74	55	62	50	36	97	71	85
25	161	138	129	95	107	85	64	162	121	141	124	107	100	73	83	66	50	125	93	110
35	198	169	158	116	132	106	79	193	147	169	154	131	122	89	102	83	62	150	113	131
50	243	207	194	140	157	125	—	229	174	203	188	161	150	109	122	98	—	178	135	157
70	310	264	246	176	201	161	—	280	217	248	241	205	191	136	156	125	—	217	169	193
95	385	328	306	217	242	194	—	335	261	295	298	255	238	168	188	151	—	260	203	229
120	451	384	358	252	287	230	—	381	304	342	350	298	278	196	223	178	—	296	236	265
150	519	443	413	288	325	260	—	428	342	383	403	344	320	223	252	201	—	332	266	296
185	616	515	479	332	369	295	—	484	388	442	470	402	373	259	287	230	—	377	303	343
240	726	616	573	394	439	352	—	560	456	510	564	482	448	308	343	275	—	438	356	397
300	843	713	662	451	516	413	—	630	525	591	656	559	519	354	405	323	—	495	412	460
400	989	832	772	521	587	470	—	715	596	670	776	659	613	414	466	373	—	567	473	525
500	1156	961	893	598	696	557	—	805	693	756	912	773	717	481	560	448	—	646	556	598
630	1353	1111	1032	683	785	628	—	902	778	877	1076	906	842	558	641	513	—	736	635	700

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Regulatory

Table 8

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