Current ratings and volt drops for sheathed multi-core p.v.c.-insulated cable @ 220 volt AC 50 Hz cables
Cross sectional area
In conduit in thermal insulation
In conduit in thermal insulation
In conduit on wall
In conduit on wall
Clipped direct / Buried
Clipped direct / Buried
Volt drop
Volt drop
( mm2 )
(A)
(A)
(A)
(A)
(A)
(A)
(mV/A/m)
(mV/A/m)
-
2 core
3 or 4 core
2 core
3 or 4 core
2 core
3 or 4 core
2 core
3 or 4 core
1.0
11.0
10.0
13.0
11.5
15.0
13.5
44.0
38.0
1.5
14.0
13.0
16.5
15.0
19.5
17.5
29.0
25.0
2.5
18.5
17.5
23.0
20.0
27.0
24.0
18.0
15.0
4.0
25.0
23.0
30.0
27.0
36.0
32.0
11.0
9.5
6.0
32.0
29.0
38.0
34.0
46.0
41.0
7.3
6.4
10.0
43.0
39.0
52.0
46.0
63.0
57.0
4.4
3.8
16.0
57.0
52.0
69.0
62.0
85.0
76.0
2.8
2.4




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