>Okay, okay, I misspoke. Sorry fellas!! My amplifier (and clothes dryer,
>for that matter) has
>only three wires -- two hots and a GROUND. I would assume that everyone
>knows that they are 180
>out -- that's how 240VAC works here!! In my breaker box, the neutral and
>ground bars are
>connected (My house was built in 1985), and I would never suggest you tie
>the ground to neutral in
>your amp -- I hope is wasn't taken that way. I only meant that for
>measuring purposes, you should
>see the "ground" as neutral. Sorry for the confusion. Either way, a 20A
>240V outlet/plug should
>work nicely and a good RF ground is still required.
>
** I conducted a number of signal strength measurements on 40m using a
balanced antenna, and no difference was observed on Tx (at the Rx end) or
Rx at this end with or without the good RF ground. Also, the SWR did not
change with or without the RF ground.
>In the interest of learning, how does the separate ground & neutral in the
>breaker box work? Is
>the neutral line simply no longer grounded anywhere? My brother is an
>electrician, I suppose I
>could ask him, but I'd like to see it here so we can all learn...
>
>Joe,
>N3JI
>
>--- "Mike McCarthy, W1NR" <w1nr@eecorp.com> wrote:
>> I agree with Bill. Most new installations require separate neutral and
>> ground at the breaker box and for years, sub services had separate
>> neutral and ground as well. Never consider neutral to be the same as
>> ground. 4 wires is used to supply 110V + neutral to internal devices
>> that require it (fans, lights, filament transformer, etc.) so that the
>> ground does not carry current. Ground is for "safety" only.
>>
>> The "old" standard was NOT two hot and a neutral. It is in fact two hot
>> 180 out of phase + ground. There are still applications where two hot +
>> ground is used. These are mostly electric radiant heaters, 220V air
>> conditioners and 220V motors where 110V is not needed.
>>
>> Mike, W1NR
>>
>> -----Original Message-----
>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On
>> Behalf Of Bill Coleman
>> Sent: Wednesday, December 03, 2003 8:24 AM
>> To: Joe Isabella; Amps
>> Subject: Re: [Amps] 220V service for amplifier
>>
>>
>> NEVER 'consider' or tie neutral to ground. They are NOT the same....
>> Neutral carries current by design, the ground should never carry current
>> unless there is a fault.
>>
>>
>> ----- Original Message -----
>> From: "Joe Isabella" <n3ji@yahoo.com>
>> To: "Amps" <amps@contesting.com>
>> Sent: Tuesday, December 02, 2003 12:02 PM
>> Subject: Re: [Amps] 220V service for amplifier
>>
>>
>> > Jason,
>> > The "old" standard was only three wires for dryers (two Hots and a
>> Neutral), but I'm pretty sure
>> > that new homes have 4 wire dryer outlets now. Consider the Neutral to
>> be
>> ground, since they are
>> > tied together in your breaker box anyway. I simply used the
>> three-wire
>> dryer outlet (30A) since
>> > my amp came with the three-wire plug. Also, you might consider the 15
>> or
>> 20A style of 240V
>> > outlets if you're doing yours from scratch. I've seen several HF Amps
>> done that way. It's the
>> > ones that look just like 120V outlets but have one or both of the
>> prongs
>> turned sideways (like on
>> > large window ACs). I'm suggesting this because I had a bit of trouble
>> finding the dryer
>> > plugs/outlets at Home Depot...
>> >
>> > Joe,
>> > N3JI
>> >
>> > --- Jason Buchanan <jsb@digistar.com> wrote:
>> > >
>> > > I did some searching through the list but haven't managed to hit the
>> > > nail right on the head yet...
>> > >
>> > > For wiring a Ten-Tec Centurion amp to 220V, are there any
>> recommended
>> > > plugs and outlets to use?
>> > >
>> > > I am thinking about using a 3 or 4 prong clothes dryer outlet and
>> plug
>> > > combination for quick/easy disconnect, however the thing i'm
>> wondering
>> > > about is where the neutral and ground tie together, since i'm fairly
>> > > sure that the Centurion doesn't have a 4 wire power cable running
>> out of
>> > > it. Maybe i'm wrong (probably am wrong).
>> > >
>> > >
>> > > Any help and advice how to properly wire the amp would be greatly
>> > > appreciated.
>> > >
>> > >
>> > >
>> > > thanks,
>> > > Jason
>> > >
>> > > _______________________________________________
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>> > > Amps@contesting.com
>> > > http://lists.contesting.com/mailman/listinfo/amps
>> >
>> >
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