[Elecraft] Power Poles...

[Tom W8JI]

That's never safe.

The safe thing to do is to use HV connectors that cannot physically plug 
into the LV  socket.

My 24V connectors from power sources are all physically larger than my 13.8 
v connectors.

73 Tom


----- Original Message ----- 
From: "Eugene Balinski" <eugeneb at nni.com>
To: "Grant Youngman" <nq5t at tx.rr.com>; "Elecraft Email" 
<elecraft at mailman.qth.net>
Sent: Monday, June 28, 2010 12:25 PM
Subject: Re: [Elecraft] Power Poles...


> One method to avoid confusion is to use different color
> power poles for different supply voltages    red-black for
> 13.5V,   green-black for 24V,  White-black for 5V, etc
>
> Many sites sell the various color options.
>
> 73
> K1NR
>
> K2 SN 6k...
>
>
> On Mon, 28 Jun 2010 10:48:20 -0500
> Grant Youngman <nq5t at tx.rr.com> wrote:
>> That was the point.
>>
>> The other point was -- How hard is it to build a power
>> pole connector, put it together properly,  and LABEL the
>> darn thing to avoid disasters like plugging a 24v supply
>> into a 12v radio?  :-)
>>
>> Grant/NQ5T
>>
>>
>> On Jun 28, 2010, at 10:38 AM, Tom W8JI wrote:
>>
>> >
>> > ----- Original Message ----- From: "Grant Youngman"
>> <nq5t at tx.rr.com>
>> > To: "Elecraft Email" <elecraft at mailman.qth.net>
>> > Sent: Monday, June 28, 2010 10:29 AM
>> > Subject: Re: [Elecraft] Power Poles...
>> >> It would also be simple enough for the manufacturers
>> to solve the polarity problem by using a bridge rectifier
>> at the power input, although that has a definite downside
>> as well.
>> >>
>> >
>> > It sure does have a downside. The 1.4 volts drop would
>> seriously hurt the maximum low-distortion power output.
>> 13.8 volts is bad enough for clean SSB at the 100 watt
>> level.
>>
>>
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