The rule of thumb that I use is. you should never have current on a saftey
ground. That why they went to a 4 wire system on range plugs two hots one
netural and one saftey ground.
Ron.
----- Original Message -----
From: "Bill Turner" <dezrat1242@ispwest.com>
To: <amps@contesting.com>
Sent: Sunday, November 13, 2005 3:34 PM
Subject: [Amps] Question about safety ground connection
>I have a question about how to connect the safety ground from the AC mains.
>
> I'm building a 1500 watt amplifier with a separate power supply. The
> power supply will connect to a 120-0-120 wall socket. My question is
> whether the "0" pin is considered a safety ground pin or a neutral
> pin. If it's neutral, then do I have to run a separate safety ground
> wire back to the AC mains entrance? Conversely, if it's a safety
> ground pin, am I allowed to connect a 120 volt load (blower motor)
> from it to one of the 120 wires? I suspect not, so does this mean the
> 120 volt load will need its own separate 120v circuit (with its own
> ground), and is it ok to connect the two grounds together?
>
> Comments appreciated.
>
> 73, Bill W6WRT
>
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