Maryland Metrics: Technical Bulletin
Table
2. (Temperature correction factors).
Maximum currents for copper wires
Maximum continuous thermal current Io in copper wire according to the
Greek Electrical Installations Regulation. (paragraph 126)
These values stand for 30oC ambient temperatures and 60oC
Wire temperatures , and they can be corrected using the values in table 2.
Section
mm2
Cat
I
Cat
II
Cat
III
Imax
Ifuse
Imax
Ifuse
Imax
Ifuse
0,75
9
6
15
10
7
6
1
11
6
18
16
9
6
1,5
14
10
22
20
10
6
2,5
20
16
31
25
15
10
4
25
20
41
35
20
16
6
33
25
54
50
26
20
10
43
35
70
60
35
25
16
60
50
96
80
48
35
25
83
60
128
100
65
50
35
100
80
153
125
78
60
50
127
100
197
160
100
80
70
147
125
234
200
-
-
95
181
160
287
250
-
-
120
208
200
336
300
-
-
150
238
225
383
355
-
-
185
266
250
435
425
-
-
240
-
-
515
500
-
-
300
-
-
596
600
-
-
400
-
-
710
710
-
-
500
-
-
810
800
-
-
Amb.
temp
30
35
40
45
50
55
Factor
1,00
0,91
0,82
0,71
0,58
0,41
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