Latest addition : PDP 11/70

From: Gordon Zaft <zaft_at_azstarnet.com>
Date: Tue Jul 31 15:24:39 2001

         To make things worse, most European power companies provide a wall
voltage of 220V, not 110 as is common in the US.

GZ
At 12:39 PM 7/31/2001 -0700, you wrote:
>Hi Bill,
>
>Don't confuse WATTS with AMPS. You see, power is measured in watts and is
>the product of voltage * amps, so a 10 WATT supply can produce either
>10volts at 1 AMP or 1 Volt at 10 AMPS and still be a 10 WATT supply. The
>PC supplies are typically 250 watts. When they supply 5V at 25AMPS that is
>using only 125 WATTS. Your wall plug can supply 110Volts at 15AMPs which
>is 1650 WATTS. (however running a house wall plug at 15Amps for any length
>of time will warm it up, and generally several wall plugs are on a single
>20A circuit (2200 Watts max))
>
>--Chuck
>
>At 12:32 PM 7/31/01 -0500, you wrote:
>>How can a normal PC XT power supply deliver 25-30A, when its plugged
>>into a normal 15A wall socket? Or is the amperage way different in
>>the UK?
>>Bill
>
Received on Tue Jul 31 2001 - 15:24:39 BST