Table 4D2A

Multicore 70°C Thermoplastic Insulated and Thermoplastic Sheathed Cables, Non-Armoured

Ambient Temperature: 30°C
Conductor Operating Temperature: 70°C

Current-carrying Capacity (amperes):

Conductor
cross-sectional

area
Reference Method A (enclosed in conduit in thermally insulating wall etc.) Reference Method B (enclosed in conduit on a wall or in trunking etc.) Reference Method C (clipped direct) Reference Method E (free air or on a perforated cable tray etc, horizontal or vertical)
1 two-core cable* single-phase a.c. or d.c. 1 three-core cable* or 1 four-core cable, three-phase a.c. 1 two-core cable* single-phase a.c. or d.c. 1 three-core cable* or 1 four-core cable, three-phase a.c. 1 two-core cable* single-phase a.c. or d.c. 1 three-core cable* or 1 four-core cable, three-phase a.c. 1 two-core cable* single-phase a.c. or d.c. 1 three-core cable* or 1 four-core cable, three-phase a.c.
1 2 3 4 5 6 7 8 9
(mm2) (A) (A) (A) (A) (A) (A) (A) (A)
1 11 10 13 11.5 15 13.5 17 14.5
1.5 14 13 16.5 15 19.5 17.5 22 18.5
2.5 18.5 17.5 23 20 27 24 30 25
4 25 23 30 27 36 32 40 34
6 32 29 38 34 46 41 51 43
10 43 39 52 46 63 57 70 60
16 57 52 69 62 85 76 94 80

Note:
* With or without protective conductor.

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