| Table 4.8 - Current
ratings of mineral insulated cables clipped direct |
||||||
|
Cross-sectional area
|
Volt
|
p.v.c. sheath
2 x single or twin |
p.v.c. sheath 3 core
|
p.v.c. sheath
|
Bare sheath
|
Bare sheath
|
|
(mm²)
|
(A)
|
(A)
|
(A)
|
(A)
|
(A)
|
|
|
1.0
|
500v
|
18.5
|
16.5
|
16.5
|
22.0
|
21.0
|
|
1.5
|
500v
|
24.0
|
21.0
|
21.0
|
28.0
|
27.0
|
|
2.5
|
500v
|
31.0
|
28.0
|
28.0
|
38.0
|
36.0
|
|
4.0
|
500v
|
42.0
|
37.0
|
37.0
|
51.0
|
47.0
|
|
1.0
|
750v
|
20.0
|
17.5
|
17.5
|
24.0
|
24.0
|
|
1.5
|
750v
|
25.0
|
22.0
|
22.0
|
31.0
|
30.0
|
|
2.5
|
750v
|
34.0
|
30.0
|
30.0
|
42.0
|
41.0
|
|
4.0
|
750v
|
45.0
|
40.0
|
40.0
|
55.0
|
53.0
|
|
6.0
|
750v
|
57.0
|
51.0
|
51.0
|
70.0
|
67.0
|
|
10.0
|
750v
|
78.0
|
69.0
|
69.0
|
96.0
|
91.0
|
|
16.0
|
750v
|
104.0
|
92.0
|
92.0
|
127.0
|
119.0
|
Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy.