[Boatanchors] Heathkit power cords

[Gary Harmon - K5JWK]

The Heathkit three prong power cable is a unique configuration.  The H-P
cords DO NOT fit.....trust me, I know.  The only cables I know of that fit,
besides the Heathkit ones, were made for the old adding machines and
calculators.  I managed to find some locally at a copier/typewriter repair
shop that never threw anything away.  They had dropped them in boxes in the
back room.  I think I got a dozen or so. 

Options:
1.  If you don't mind disfiguring the original chassis, you can mount one of
the later three prong sockets and then use one of the standard computer
cables.
2.  You can use the three wire connection that slips over the socket pins
like Glen Zook proposes.
3.  You can remove the socket and install a piece of aluminum with a cable
through a hole.
4.  Possibly other solutions I am unaware of.

73,

Gary H. Harmon, Jr. - K5JWK
6003 Archwood
San Antonio, TX 78239-1504
210.657.1549h / 210.884.6926c

"Retirement means every day is a Saturday except Sunday"



-----Original Message-----
From: boatanchors-bounces at mailman.qth.net
[mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Jack
Sent: Monday, March 28, 2011 4:16 PM
To: Glen Zook
Cc: Boatanchors Mail List
Subject: Re: [Boatanchors] Heathkit power cords

Hi Glen,

Looks like this cord may be close to fitting the elusive 3 prong "old style"
HP instrument power cord as well.

They are hard to find these days.

73,
Jack
WA9NQW
On Mar 28, 2011, at 4:07 PM, Glen Zook wrote:

> Actually, it takes quite a bit of force to remove the connectors.  Also,
the ends are covered.
> 
> I am trying to get a mold made that will make the connectors into one
piece.
> 
> Glen, K9STH
> 
> Website:  http://k9sth.com
> 
> 
> --- On Mon, 3/28/11, Gary Schafer <garyschafer at comcast.net> wrote:
> 
>> From: Gary Schafer <garyschafer at comcast.net>
>> Subject: RE: [Boatanchors] Heathkit power cords
>> To: "'Glen Zook'" <gzook at yahoo.com>, "'Boatanchors Mail List'" 
>> <boatanchors at mailman.qth.net>
>> Date: Monday, March 28, 2011, 3:59 PM Kind of scary looking. Maybe a 
>> cable clamp to hold the whole cord under the ground terminal? It 
>> looks like one or both wires could be pulled off the terminals easily 
>> and flop around and make contact with the chassis or something else.
>> You could also pot the pins in some epoxy with them slightly recessed 
>> like the original cord. More work though.
>> 
>> 73
>> Gary  K4FMX
>> 
>>> -----Original Message-----
>>> From: boatanchors-bounces at mailman.qth.net
>> [mailto:boatanchors-
>>> bounces at mailman.qth.net]
>> On Behalf Of Glen Zook
>>> Sent: Monday, March 28, 2011 4:42 PM
>>> To: 'Boatanchors Mail List'
>>> Subject: [Boatanchors] Heathkit power cords
>>> 
>>> I have come up with a solution for the 2-wire Heath
>> power cords like
>>> used on the SB-301 and SB-401.  This solution
>> uses a 3-wire cord with
>>> push on connectors for the "hot" and "neutral" with a
>> terminal lug that
>>> attaches to the ground lug on the unit.
>>> 
>>> Details at:
>>> 
>>> http://k9sth.com/uploads/Heathkit_Power_Cords.pdf
>>> 
>>> Glen, K9STH
>>> 
>>> Website:  http://k9sth.com
>>> 
>>> 
>>> 
>>> 
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>> 
> 
> 
> 
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