Table 4.9 - Volt drops for mineral insulated cables | ||||
Cross-sectional area
|
Single-phase p.v.c. sheath
|
Single-phase bare
|
Three-phase p.v.c. sheath
|
Three-phase bare
|
(mm²)
|
(mV/A/m)
|
(mV/A/m)
|
(mV/A/m)
|
(mV/A/m)
|
1.0
|
42.0
|
47.0
|
36.0
|
40.0
|
1.5
|
28.0
|
31.0
|
24.0
|
27.0
|
2.5
|
17.0
|
19.0
|
14.0
|
16.0
|
4.0
|
10.0
|
12.0
|
9.1
|
10.0
|
6.0
|
7.0
|
7.8
|
6.0
|
6.8
|
10.0
|
4.2
|
4.7
|
3.6
|
4.1
|
16.0
|
2.6
|
3.0
|
2.3
|
2.6
|
Extracted from The Electricians Guide Fifth Edition
by John Whitfield
Published by EPA Press Click Here to order your Copy.