Table 4.14 - Cable factors (terms)
for conduit and trunking
|
||||
Type of conductor |
Conductor c.s.a. (mm²) |
Factor for conduit |
Factor for trunking pvc insulation | Factor for trunking thermosetting insulation |
Solid |
|
16
|
3.6
|
3.8
|
Solid |
1.5 |
22
|
8.0
|
8.6
|
Stranded |
1.5
|
22
|
8.6
|
9.1
|
Solid |
2.5
|
30
|
11.9
|
11.9
|
Stranded |
2.5
|
30
|
12.6
|
13.9
|
Stranded |
4.0
|
43
|
16.6
|
18.1
|
Stranded |
6.0
|
58
|
21.2
|
22.9
|
Stranded |
10.0
|
105
|
35.3
|
36.3
|
Stranded |
16.0
|
145
|
47.8
|
50.3
|
Stranded |
25.0
|
217
|
73.9
|
75.4
|
Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy.