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Why isn't twin and earth cables used in commercial?

Former Community Member over 2 years ago

I was always taught that twin and earth cables should be used in domestic only and singles/multicore in commercial?

Why is that ? I mean there isn't anything wrong with using 1.5mm2 twin and earth with 1.0mm2 CPC for lighting circuits.

Regards,

J

0 ebee over 2 years ago

A lot of us were brought up on a lot of Urban Myths !
Not just in Electrics/Electronics - “Put as much salt as you want in the cooking but very little on the meal before you eat it. It`s bad for you sprinkled on the meal!”
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0 Chris Pearson over 2 years ago

What about 3-core & earth? Even 1 sqmm could supply a 9 hp motor, but I doubt that it gets used for that very often.
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0 Johno12345 over 2 years ago

Chris Pearson:

What about 3-core & earth? Even 1 sqmm could supply a 9 hp motor, but I doubt that it gets used for that very often.
we have some in a lab wired just like that, it does feel a bit wrong, but its not

it will be exciting if it ever gets snipped live by mistake!
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