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--- electrics:cable_types:flatpvccables 2009/06/19 18:28
+++ electrics:cable_types:flatpvccables 2009/06/21 17:21 current
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 ====== Flat twin + earth and 3 core + earth cables ======
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 {{:electrics:cable_types:ca1g.jpg|:electrics:cable_types:ca1g.jpg}}
+Cables are specified by the Cross Sectional Area (CSA) of their metallic conductors. This is measured in mm². Unfortunately a cable of, say, 10mm² is
+often loosely referred to as 10mm cable, giving the false impression to people not familar with cable sizes that they just need to measure the width of the cable with a ruler. The table below gives some typical overall cable dimensions for some standard flat T+E cable sizes. Note that cables from different manufacturers will vary slightly from these dimensions.
 Judging what cable size you have: