H
highspark
Got to run this in. Is four core and armour as earth acceptable or do I need to run a separate earth??
Discuss Three Phase Neutral and Earth in the UK Electrical Forum area at ElectriciansForums.net
Got to run this in. Is four core and armour as earth acceptable or do I need to run a separate earth??
to kick the argument off, i always run an additional cpc other then the SWA
Conductor CSA | Minimum CSA of SWA to meet 54G | CSA of armour 2 core | CSA of armour 3 core | CSA of armour 4 core |
1.5 | 3.4 | 15 | 16 | 17 |
2.5 | 5.7 | 17 | 19 | 20 |
4 | 9.0 | 21 | 23 | 35 |
6 | 13.6 | 24 | 36 | 40 |
10 | 22.6 | 41 | 44 | 49 |
16 | 36.1 | 46 | 50 | 72 |
25 | 36.1 | 60 | 66 | 76 |
35 | 36.1 | 66 | 74 | 84 |
50 | 56.4 | 74 | 84 | 122 |
70 | 79.0 | 84 | 119 | 138 |
95 | 107.2 | 122 | 138 | 160 |
120 | 135.3 | (131) | 150 | 220 |
150 | 169.2 | (144) | 211 | 240 |
185 | 208.6 | (201) | 230 | 265 |
240 | 270.6 | (225) | (260) | 299 |
300 | 338.3 | (250) | (289) | (333) |
400 | 403.9 | (279) | (319) | 467 |
Conductor CSA | Minimum CSA of SWA to meet 54G | CSA of armour 2 core | CSA of armour 3 core | CSA of armour 4 core |
1.5 | 3.4 | 16 | 17 | 18 |
2.5 | 5.7 | 17 | 19 | 20 |
4 | 9.0 | 19 | 21 | 23 |
6 | 13.6 | 22 | 23 | 36 |
10 | 22.6 | 26 | 39 | 43 |
16 | 36.1 | 41 | 44 | 49 |
25 | 36.1 | 42 | 62 | 70 |
35 | 36.1 | 62 | 70 | 80 |
50 | 56.4 | 68 | 78 | 90 |
70 | 79.0 | 80 | 90 | 131 |
95 | 107.2 | 113 | 128 | 147 |
120 | 135.3 | (125) | 141 | 206 |
150 | 169.2 | (138) | 201 | 230 |
185 | 208.6 | (191) | 220 | 255 |
240 | 270.6 | (215) | (250) | 289 |
300 | 338.3 | (235) | (269) | (319) |
400 | 451.0 | (265) | (304) | 452 |
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