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⑤ 數(shù)據(jù)庫-美國電線量規(guī)表和AWG電流負(fù)荷限值

發(fā)布時間：2020-06-09

American Wire Gauge Table and AWG Electrical Current Load Limits

AWG gauge	Diameter Inches	Diameter mm	Ohms per 1000 ft	Maximum amps for chassis wiring
1	0.2893	7.34822	0.1239	211
2	0.2576	6.54304	0.1563	181
3	0.2294	5.82676	0.197	158
4	0.2043	5.18922	0.2485	135
5	0.1819	4.62026	0.3133	118
6	0.162	4.1148	0.3951	101
7	0.1443	3.66522	0.4982	89
8	0.1285	3.2639	0.6282	73
9	0.1144	2.90576	0.7921	64
10	0.1019	2.58826	0.9989	55
11	0.0907	2.30378	1.26	47
12	0.0808	2.05232	1.588	41
13	0.072	1.8288	2.003	35
14	0.0641	1.62814	2.525	32
15	0.0571	1.45034	3.184	28
16	0.0508	1.29032	4.016	22
17	0.0453	1.15062	5.064	19
18	0.0403	1.02362	6.385	16
19	0.0359	0.91186	8.051	14
20	0.032	0.8128	10.15	11

AWG gauge	Diameter Inches	Diameter mm	Ohms per 1000 ft	Maximum amps for chassis wiring
21	0.0285	0.7239	12.8	9
22	0.0254	0.64516	16.14	7
23	0.0226	0.57404	20.36	4.7
24	0.0201	0.51054	25.67	3.5
25	0.0179	0.45466	32.37	2.7
26	0.0159	0.40386	40.81	2.2
27	0.0142	0.36068	51.47	1.7
28	0.0126	0.32004	64.9	1.4
29	0.0113	0.28702	81.83	1.2
30	0.01	0.254	103.2	0.86
31	0.0089	0.22606	130.1	0.7
32	0.008	0.2032	164.1	0.53
33	0.0071	0.18034	206.9	0.43
34	0.0063	0.16002	260.9	0.33
35	0.0056	0.14224	329	0.27
36	0.005	0.127	414.8	0.21
37	0.0045	0.1143	523.1	0.17
38	0.004	0.1016	659.6	0.13
39	0.0035	0.0889	831.8	0.11
40	0.0031	0.07874	1049	0.09

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