I am in the UK.
What are the standard lengths of mains flex when they are sold by the drum? Is 50m a typical minimum length?
Am thinking of: 6 to 13 amps 2 or 3 core flat or round as flexible as possible (presumably, more strands = flexible cable).
========================== Look here - they seem to have everything you could possibly need:
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50m or 100m are the most common drum sizes,. Some DIY shops will sell flex by the meter though.
sQuick..
100 metres
Yes, but for flexibility you also want a softer more flexible insulation and sheath. If the flex may get hot then you will need a heat resistant sheath eg butyl.
Arctic cable as used for portable equipment on building sites is designed to remain more flexible at low temperatures
We discussed this quite recently in a thread "extra flexible main lead"
Owain
Look at flexible cables at:
Peter
I get the impression that there is a little more to this question than we have been told. Without knowing what you have in mind, many of the useful suggestions will be inappropriate.
One factor to bear in mind is that if you choose two core flat cable, it doesn't handle anything like as well as three core does when you coil it up and then uncoil it for use the next time. It soon acquires a very pronounced twist to it.
That may be an issue for you, or it may be of no consequence at all, but I've seen examples of where round three core cable has been used instead of flat two core, simply for the better way that it handles.
Yup - 50 and 100 metres are the common sizes. But many wholesalers only stock the 50 metre size.
That's one reason two core round exists, strangely enough.
For really flexible you want "Arctic Grade"; blue if you are using 240v and yellow for 110v
Rubber (TRS) is far better for flexibility. At a price.
Screwfix sells 50 and 100m drums ands is pretty competitive - especially the Arctic cable.
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