Answer / c.hari balakrishnan

Nickel cadmium batteries are maintenance free batteries
and cost is high comaparing to lead acid batteries.
Sulphation formation is not so much frequent in NiCad
batteries,But in lead acid batteries regular maintenance to
be done.

I have a 25kVA three phase transformer on our property. Will this transformer be large enough to run a large home with swimming pool, spa, 2 off full size reverse cycle air conditioners to service a 100 square house (10,000 square feet or 930 square metres)and the general power consumption of this house without upgrading to a 63kVA transformer.

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WORKING PRINCIPAL OF MCB

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WHAT IS THE MEANING OF 'UPF'&'LPF'.... HOW CAN WE DEFINE IT? WHAT IS THE VALUE/RANGE OF EARTH WIRE RESISTANCE USED PARTICULARLY IN HOME....

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