Question says it all, in the US mains cable is usually solid-core because it's cheaper, while here TPS cable above 1mm2 has to be stranded, but no explanation is given as to why. Anyone know?
The use of stranded makes sense for things like extension cords that get moved around a lot, but not so much for fixed house wiring that's permanently tacked into place. So it looks like it's mostly speculation rather than a definitive "it's required for safety reason XYZ".
Just wondering in any case, came up while talking to a US person. Given that they allow NEMA 1 plugs/sockets and wire nuts and other invitations to suicide, I figured the solid-core thing was just more unsound US electrical practice, but can't find any strong evidence to support this.
Any electrician will tell you, solid 1mm is a pig for breaking at the terminations. Broken wires cause fires. (Source: Am electricians). We were actually discussing this at work the very afternoon you started the thread.
andrewNZ: Any electrician will tell you, solid 1mm is a pig for breaking at the terminations. Broken wires cause fires. (Source: Am electricians). We were actually discussing this at work the very afternoon you started the thread.
Ah, and that would be the reason. Thanks!
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