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Current ratings for UL-CSA cables |
Current ratings
PVC-insulated single and multi conductor wiring cables according to UL-AWM and CSA-TEW standards are used in switchboard and distribution cabinets of electrical equipments and as well as for the installation of machines and transformers in protecting tubes.
PVC-insulation is allowed at maximum temperature range of 105°C.
The indicated values stated in the following tables are considered as guiding values. In critical situation the rules and recommendations for the current ratings should be followed.
for single conductor cables at ambient temperature up to 30°C
| AWG No. |
Cross-section mm² |
Load rating A |
AWG No. |
Cross-section mm² |
Load rating A |
| 24 |
0.21 |
3.5 |
3 |
26.65 |
154 |
| 22 |
0.33 |
5.0 |
2 |
33.61 |
170 |
| 20 |
0.52 |
6.0 |
1 |
42.38 |
180 |
| 18 |
0.82 |
9.5 |
1/0 |
53.43 |
200 |
| 16 |
1.31 |
20 |
2/0 |
67.40 |
225 |
| 24 |
20.8 |
24 |
3/0 |
84.97 |
275 |
| 12 |
3.32 |
34 |
4/0 |
107.17 |
325 |
| 10 |
5.26 |
52 |
250 |
127 |
345 |
| 8 |
8.35 |
75 |
300 |
152 |
390 |
| 6 |
13.29 |
95 |
400 |
178 |
415 |
| 4 |
21.14 |
120 |
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for multi conductor cables at ambient temperature up to 30°C
| AWG No. |
Cross-section mm² |
Load rating up to 3 conductors in A |
Load rating 4-6 conductors in A |
Load rating 7-24 conductors in A |
Load rating 25-42 conductors in A |
Load rating 43 and above in A |
| 24 |
0.21 |
2 |
1.6 |
1.4 |
1.2 |
1 |
| 22 |
0.33 |
3 |
2.4 |
2.1 |
1.8 |
1.5 |
| 20 |
0.52 |
5 |
4 |
3.5 |
3 |
2.5 |
| 18 |
0.82 |
7 |
5.6 |
4.9 |
4.2 |
3.5 |
| 16 |
1.31 |
10 |
8 |
7 |
6 |
5 |
| 14 |
2.08 |
15 |
12 |
10.5 |
9 |
7.5 |
| 12 |
3.32 |
20 |
16 |
14 |
12 |
10 |
| 10 |
5.26 |
30 |
24 |
21 |
18 |
15 |
| 8 |
8.35 |
40 |
32 |
28 |
24 |
20 |
| 6 |
13.29 |
55 |
44 |
38 |
33 |
27 |
| 4 |
21.14 |
70 |
56 |
49 |
42 |
35 |
| 3 |
26.65 |
80 |
64 |
56 |
48 |
40 |
| 2 |
33.61 |
95 |
76 |
66 |
57 |
57 |
| 1 |
42.38 |
110 |
88 |
77 |
66 |
55 |
Correction-factors at ambient temperature over 30°C
Ambient temperature
in °C |
Load rating values of above tables correction-factors |
| 31 - 40 |
0.82 |
| 41 - 45 |
0.71 |
| 46 - 50 |
0.58 |
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Liquid Tight Strain Relief, Cord Grips, Cable Gland Fittings: NPT, Metric, & PG Threads, Materials: Nylon, Nickel Plated Brass, PVDF (for chemicals and extreme temperatures) & Stainless Steel, NEMA 4x and 6 (IP68). |
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Hazardous Location / Explosive Proof Cord Grips, Cable Glands: are stamped with the approvals on the products showing your application is EEx e or ATEX compliant.
Materials: Nylon, Nickel Plated Brass, PVDF & Stainless Steel. |
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Adapters, Enlargers, Reducers: Our Newest product line of Thread Adapters, Thread Reducers, Thread Enlargers! Available in Black or Gray Nylon, Nickel Plated Brass & Stainless Steel. |
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