AS/NZS 3008.1.1:2025

Table 3.24

Current ratings (d.c.), 2‑core cable, thermoplastic 75 °C

The DC cable size tool reads the d.c. rating here for one 2‑core thermoplastic cable, in copper or aluminium, for each installation method.

Verified: read against the printed standard, pages 60–61. 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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19 rows

Table 3.24, Current ratings (d.c.), 2-core cable, thermoplastic 75 °C
Size	Unenclosed spaced	Unenclosed touching	Unenclosed sun	Enclosed air	Insulation partial	Insulation partial enclosed	Insulation complete	Insulation complete enclosed	Buried direct	Underground enclosure	Al unenclosed touching	Al unenclosed spaced	Al unenclosed sun	Al enclosed air	Al insulation partial	Al insulation partial enclosed	Al insulation complete	Al insulation complete enclosed	Al buried direct	Al underground enclosure
1	15	14	11	13	11	10	7	6	26	19	—	—	—	—	—	—	—	—	—	—
1.5	19	18	14	16	14	13	9	8	33	24	—	—	—	—	—	—	—	—	—	—
2.5	27	26	20	23	20	19	13	12	46	34	—	—	—	—	—	—	—	—	—	—
4	37	34	27	30	27	24	17	15	60	45	—	—	—	—	—	—	—	—	—	—
6	46	44	34	39	35	31	22	20	75	56	—	—	—	—	—	—	—	—	—	—
10	64	60	46	52	48	42	30	26	101	75	—	—	—	—	—	—	—	—	—	—
16	85	80	60	68	64	54	40	34	132	98	62	66	47	52	49	42	31	26	102	75
25	113	107	79	90	85	72	53	45	170	128	83	88	62	70	66	56	41	35	132	99
35	139	131	97	112	105	90	65	56	205	154	101	108	75	87	81	70	51	43	159	119
50	170	159	116	133	128	107	—	—	244	185	124	132	90	103	99	83	—	—	189	144
70	215	202	145	170	161	136	—	—	300	228	156	167	112	132	125	105	—	—	233	177
95	265	249	176	205	199	164	—	—	361	280	193	205	136	159	154	127	—	—	280	217
120	308	289	202	241	231	193	—	—	411	319	224	239	157	187	179	150	—	—	319	248
150	352	330	228	272	264	218	—	—	462	366	255	273	177	211	204	168	—	—	358	284
185	406	380	260	315	304	252	—	—	524	416	295	315	202	245	236	196	—	—	406	323
240	484	453	304	369	362	295	—	—	611	492	351	375	236	286	281	229	—	—	473	381
300	560	523	347	434	418	347	—	—	694	570	404	433	268	336	323	269	—	—	537	441
400	654	610	398	500	488	400	—	—	798	655	473	507	309	388	378	310	—	—	618	508
500	757	706	454	593	565	475	—	—	909	768	548	588	352	460	438	368	—	—	705	595

Tools that read it (1)

Size	Unenclosed spaced	Unenclosed touching	Unenclosed sun	Enclosed air	Insulation partial	Insulation partial enclosed	Insulation complete	Insulation complete enclosed	Buried direct	Underground enclosure	Al unenclosed touching	Al unenclosed spaced	Al unenclosed sun	Al enclosed air	Al insulation partial	Al insulation partial enclosed	Al insulation complete	Al insulation complete enclosed	Al buried direct	Al underground enclosure
1	15	14	11	13	11	10	7	6	26	19	—	—	—	—	—	—	—	—	—	—
1.5	19	18	14	16	14	13	9	8	33	24	—	—	—	—	—	—	—	—	—	—
2.5	27	26	20	23	20	19	13	12	46	34	—	—	—	—	—	—	—	—	—	—
4	37	34	27	30	27	24	17	15	60	45	—	—	—	—	—	—	—	—	—	—
6	46	44	34	39	35	31	22	20	75	56	—	—	—	—	—	—	—	—	—	—
10	64	60	46	52	48	42	30	26	101	75	—	—	—	—	—	—	—	—	—	—
16	85	80	60	68	64	54	40	34	132	98	62	66	47	52	49	42	31	26	102	75
25	113	107	79	90	85	72	53	45	170	128	83	88	62	70	66	56	41	35	132	99
35	139	131	97	112	105	90	65	56	205	154	101	108	75	87	81	70	51	43	159	119
50	170	159	116	133	128	107	—	—	244	185	124	132	90	103	99	83	—	—	189	144
70	215	202	145	170	161	136	—	—	300	228	156	167	112	132	125	105	—	—	233	177
95	265	249	176	205	199	164	—	—	361	280	193	205	136	159	154	127	—	—	280	217
120	308	289	202	241	231	193	—	—	411	319	224	239	157	187	179	150	—	—	319	248
150	352	330	228	272	264	218	—	—	462	366	255	273	177	211	204	168	—	—	358	284
185	406	380	260	315	304	252	—	—	524	416	295	315	202	245	236	196	—	—	406	323
240	484	453	304	369	362	295	—	—	611	492	351	375	236	286	281	229	—	—	473	381
300	560	523	347	434	418	347	—	—	694	570	404	433	268	336	323	269	—	—	537	441
400	654	610	398	500	488	400	—	—	798	655	473	507	309	388	378	310	—	—	618	508
500	757	706	454	593	565	475	—	—	909	768	548	588	352	460	438	368	—	—	705	595

Size	Unenclosed spaced	Unenclosed touching	Unenclosed sun	Enclosed air	Insulation partial	Insulation partial enclosed	Insulation complete	Insulation complete enclosed	Buried direct	Underground enclosure	Al unenclosed touching	Al unenclosed spaced	Al unenclosed sun	Al enclosed air	Al insulation partial	Al insulation partial enclosed	Al insulation complete	Al insulation complete enclosed	Al buried direct	Al underground enclosure
1	15	14	11	13	11	10	7	6	26	19	—	—	—	—	—	—	—	—	—	—
1.5	19	18	14	16	14	13	9	8	33	24	—	—	—	—	—	—	—	—	—	—
2.5	27	26	20	23	20	19	13	12	46	34	—	—	—	—	—	—	—	—	—	—
4	37	34	27	30	27	24	17	15	60	45	—	—	—	—	—	—	—	—	—	—
6	46	44	34	39	35	31	22	20	75	56	—	—	—	—	—	—	—	—	—	—
10	64	60	46	52	48	42	30	26	101	75	—	—	—	—	—	—	—	—	—	—
16	85	80	60	68	64	54	40	34	132	98	62	66	47	52	49	42	31	26	102	75
25	113	107	79	90	85	72	53	45	170	128	83	88	62	70	66	56	41	35	132	99
35	139	131	97	112	105	90	65	56	205	154	101	108	75	87	81	70	51	43	159	119
50	170	159	116	133	128	107	—	—	244	185	124	132	90	103	99	83	—	—	189	144
70	215	202	145	170	161	136	—	—	300	228	156	167	112	132	125	105	—	—	233	177
95	265	249	176	205	199	164	—	—	361	280	193	205	136	159	154	127	—	—	280	217
120	308	289	202	241	231	193	—	—	411	319	224	239	157	187	179	150	—	—	319	248
150	352	330	228	272	264	218	—	—	462	366	255	273	177	211	204	168	—	—	358	284
185	406	380	260	315	304	252	—	—	524	416	295	315	202	245	236	196	—	—	406	323
240	484	453	304	369	362	295	—	—	611	492	351	375	236	286	281	229	—	—	473	381
300	560	523	347	434	418	347	—	—	694	570	404	433	268	336	323	269	—	—	537	441
400	654	610	398	500	488	400	—	—	798	655	473	507	309	388	378	310	—	—	618	508
500	757	706	454	593	565	475	—	—	909	768	548	588	352	460	438	368	—	—	705	595

Size	Unenclosed spaced	Unenclosed touching	Unenclosed sun	Enclosed air	Insulation partial	Insulation partial enclosed	Insulation complete	Insulation complete enclosed	Buried direct	Underground enclosure	Al unenclosed touching	Al unenclosed spaced	Al unenclosed sun	Al enclosed air	Al insulation partial	Al insulation partial enclosed	Al insulation complete	Al insulation complete enclosed	Al buried direct	Al underground enclosure
1	15	14	11	13	11	10	7	6	26	19	—	—	—	—	—	—	—	—	—	—
1.5	19	18	14	16	14	13	9	8	33	24	—	—	—	—	—	—	—	—	—	—
2.5	27	26	20	23	20	19	13	12	46	34	—	—	—	—	—	—	—	—	—	—
4	37	34	27	30	27	24	17	15	60	45	—	—	—	—	—	—	—	—	—	—
6	46	44	34	39	35	31	22	20	75	56	—	—	—	—	—	—	—	—	—	—
10	64	60	46	52	48	42	30	26	101	75	—	—	—	—	—	—	—	—	—	—
16	85	80	60	68	64	54	40	34	132	98	62	66	47	52	49	42	31	26	102	75
25	113	107	79	90	85	72	53	45	170	128	83	88	62	70	66	56	41	35	132	99
35	139	131	97	112	105	90	65	56	205	154	101	108	75	87	81	70	51	43	159	119
50	170	159	116	133	128	107	—	—	244	185	124	132	90	103	99	83	—	—	189	144
70	215	202	145	170	161	136	—	—	300	228	156	167	112	132	125	105	—	—	233	177
95	265	249	176	205	199	164	—	—	361	280	193	205	136	159	154	127	—	—	280	217
120	308	289	202	241	231	193	—	—	411	319	224	239	157	187	179	150	—	—	319	248
150	352	330	228	272	264	218	—	—	462	366	255	273	177	211	204	168	—	—	358	284
185	406	380	260	315	304	252	—	—	524	416	295	315	202	245	236	196	—	—	406	323
240	484	453	304	369	362	295	—	—	611	492	351	375	236	286	281	229	—	—	473	381
300	560	523	347	434	418	347	—	—	694	570	404	433	268	336	323	269	—	—	537	441
400	654	610	398	500	488	400	—	—	798	655	473	507	309	388	378	310	—	—	618	508
500	757	706	454	593	565	475	—	—	909	768	548	588	352	460	438	368	—	—	705	595