TABLE 5B
Allowable Amperage of Conductors of 50 Volts or More When 3 Conductors are Bundled
| 3 Conductors Are Bundled |
|||||||||||||
| Temperature Rating of Conductor Insulation |
|||||||||||||
| Conductor |
60¡C |
75¡C |
80¡C |
90¡C |
105¡C |
125¡C |
200¡C |
||||||
| Outside |
Inside |
Outside |
Inside |
Outside |
Inside |
Outside |
Inside |
Outside |
Inside |
Outside |
Inside |
Outside or
Inside |
|
| 18 |
7.0 |
4.1 |
7.0 |
5.3 |
10.5 |
8.2 |
14.0 |
11.5 |
14.0 |
11.9 |
17.5 |
15.6 |
17.5 |
| 16 |
10.5 |
6.1 |
10.5 |
7.9 |
14.0 |
10.9 |
17.5 |
14.4 |
17.5 |
14.9 |
21.0 |
18.7 |
24.5 |
| 14 |
14.0 |
8.1 |
14.0 |
10.5 |
17.5 |
13.7 |
21.0 |
17.2 |
24.5 |
20.8 |
28.0 |
24.9 |
31.5 |
| 12 |
17.5 |
10.2 |
17.5 |
13.1 |
24.5 |
19.1 |
28.0 |
23.0 |
31.5 |
26.8 |
35.0 |
31.2 |
38.5 |
| 10 |
28.0 |
16.2 |
28.0 |
21.0 |
35.0 |
27.3 |
38.5 |
31.6 |
42.0 |
35.7 |
49.0 |
43.6 |
49.0 |
| 8 |
38.5 |
22.3 |
45.5 |
34.1 |
49.0 |
38.2 |
49.0 |
40.2 |
56.0 |
47.6 |
63.0 |
56.1 |
70.0 |
| 6 |
56.0 |
32.5 |
66.5 |
49.9 |
70.0 |
54.6 |
70.0 |
57.4 |
84.0 |
71.4 |
87.5 |
77.9 |
94.5 |
| 4 |
73.5 |
42.6 |
87.5 |
65.6 |
91.0 |
71.0 |
94.5 |
77.5 |
112.0 |
95.2 |
119.0 |
105.9 |
126.0 |
| 3 |
84.0 |
48.7 |
101.5 |
76.1 |
105.0 |
81.9 |
108.5 |
89.0 |
126.0 |
107.1 |
136.5 |
121.5 |
147.0 |
| 2 |
98.0 |
56.8 |
119.0 |
89.3 |
122.5 |
95.6 |
126.0 |
103.3 |
147.0 |
125.0 |
157.5 |
140.2 |
168.0 |
| 1 |
115.5 |
67.0 |
136.5 |
102.4 |
147.0 |
114.7 |
147.0 |
120.5 |
171.5 |
145.8 |
185.5 |
165.1 |
196.0 |
| 0 |
136.5 |
79.2 |
161.0 |
120.8 |
171.5 |
133.8 |
171.5 |
140.6 |
199.5 |
169.6 |
213.5 |
190.0 |
227.5 |
| 00 |
157.5 |
91.4 |
185.5 |
139.1 |
199.5 |
155.6 |
199.5 |
163.6 |
231.0 |
196.4 |
248.5 |
221.2 |
259.0 |
| 000 |
182.0 |
105.6 |
217.0 |
162.8 |
231.0 |
180.2 |
231.0 |
189.4 |
269.5 |
229.1 |
287.0 |
255.4 |
301.0 |
| 0000 |
210.0 |
121.8 |
252.0 |
189.0 |
269.5 |
210.2 |
269.5 |
221.0 |
311.5 |
264.8 |
332.5 |
295.9 |
357.0 |