The quote has now come back and they say the transformer needs to be
upgraded at a cost of =A35000. Is this normal? What is the standard power
supply given by a small transformer.

Transformers vary in size, so depending on what its rated at and what=20
heating the cottage you rent out has, they may well be right to say it=20
needs upgrading.

The thing with storage rads is they`re all on at the same time, so=20
although the other larger premises might be getting fed by the same size=20
transformer, if they`re not using storage rads they might be able to=20
allow for a much greater diversity.

Incidentally, i`ve seen much higher quotes for a single phase supply :-}

--=20
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