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7,300 Watts supplied on a 2.5mm2 T&E.

Zoomup

Yes a 2.5mm2 T&E cable can supply a 7,300 Watt instantaneous water heater at 240 Volts. I came across this today. The supply was from a B32 M.C.B. So why do we use bigger cable than 2.5mm2 if it will do the job?

The run was about 5m maximum. 

Z.

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    I should have learned by now not to challenge Graham's wisdom!

    Sadly, Hampshire Libraries cancelled their subscription to OED this year so I have to make do with my Concise version. Nonetheless, “pedancy” does not appear. “Pedantry”, we are told, comes from the French, “pédanterie” or Italian “pedanteria”.

    The French seem to have a subtly different meaning. According to l'Académie Française, “pédenterie” is (my translation) “An affectation or pretension of a person who wants to show the superiority of his mind or knowledge.” Then there is “Pédentisme".

    I have to admit that I can find nothing wrong etymologically with “pedancy” in the same way that “idiocy” denotes the quality of being an idiot. ?

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  • 0

    I should have learned by now not to challenge Graham's wisdom!

    Sadly, Hampshire Libraries cancelled their subscription to OED this year so I have to make do with my Concise version. Nonetheless, “pedancy” does not appear. “Pedantry”, we are told, comes from the French, “pédanterie” or Italian “pedanteria”.

    The French seem to have a subtly different meaning. According to l'Académie Française, “pédenterie” is (my translation) “An affectation or pretension of a person who wants to show the superiority of his mind or knowledge.” Then there is “Pédentisme".

    I have to admit that I can find nothing wrong etymologically with “pedancy” in the same way that “idiocy” denotes the quality of being an idiot. ?

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