====== Flat twin + earth and 3 core + earth cables ======


===== Twin and Earth (T+E) =====

This has 2 core carrying the load and an earth. this is NOT 3 core 

{{:electrics:cable_types:ca1g.jpg|:electrics:cable_types:ca1g.jpg}}

Judging what cable size you have: 

^    CSA    ^   Overall Dimensions   ^
|    1mm²   |     7.8mm x 4.25mm     |
|  1.5mm²   |     8.2mm x 5mm        |
|  2.5mm²   |    10.3mm x 6mm        |
|    4mm²   |    11.9mm x 6.25mm     |
|    6mm²   |    13.5mm x 7mm        |
|   10mm²   |    17.1mm x 10mm       |
|   16mm²   |    19.4mm x 10mm       |

===== 3 Core and Earth (3C+E) =====

This has 3 cores for carrying the load and an earth. mostly used in 2 way lighting circuits and interlinking smoke alarms. 
3 core is also often used to power a fan, i.e permanent live, switched live and neutral.

{{:electrics:cable_types:ca1slash3g.jpg|:electrics:cable_types:ca1slash3g.jpg}}

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