Answer / m.radhakrishnan

Energy=power *Time
Power=V*I*POWER FACTOR
how many hours consume that power, Example: 60 watts lamp
consume power in 20 hours. Energy=60*20=1200 watts hour=1.2
kilo watt hour=1.2 unit

Answer / deepak

1. Power Consumption Calculate in Home is
V X I X Power Factor

2. For 415V , 63 Amp. Copper cable size 3.5C X 16 sqmm.
Aluminum Cable Size 3.5C X 35 sqmm.

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