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Re: [OT] : wiring sockets ??
Martin Wonders wrote:
> The cable rating is also dependant on the method of installation, if
the
> cable runs through
> insulation, is grouped with any other cables along its run, runs
through
> areas of high temperature etc it needs to be derated as they all have
a
> bearing on the current carrying capacity of the cable.
>
> The length of the cable determines the voltage drop which should not
be
> greater then 9.2v on a 230v circuit
Also keep in mind that any voltage drop after the meter is power that you
have
paid for being wasted.
I think the payback on going 4mm instead of 2.5 on a water heater worked
out to
be about 4 years when we worked it out, and powers gone up since then.
[Non-text portions of this message have been removed]
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