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Author: Paul Granberg, Issue: October 2004, Topic: Household
Most average Western homes have a 100 - 200 ampere (A) connection to the national grid. However, with most Japanese homes, this connection averages around the 20A mark.
Simple, you can run very few electrical appliances simultaneously. Too many, and you'll have a miniature 'black-out' in your apartment until you can re-set your circuit breaker.
It depends on two factors.
Have a look at your circuit breaker box. (The main power switch). The colour of this box tells you what the capacity of your connection is.
100v (Ibaraki's voltage)
X
Amperage (your circuit breaker colour)
=
Your electrical budget in 'Watts'
The average apartment has a 20 Ampere (yellow) circuit breaker.
So the average electrical load 'budget' would be
100v X 20A = 2000 Watts
So you have 2000 watts to run your apartment on.
Different kinds of appliances place different loads on you electrical system. Here's a rough guide as to how much energy different appliances use. (Assumes they are functioning at full power)
(As at 25/7/03)
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