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 Post subject: Power Cord Replacement Source
PostPosted: Dec Wed 04, 2019 6:58 pm 
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Joined: Apr Wed 10, 2019 3:48 am
Posts: 166
Cord replacement for old radios is common. So, where do you find the interlock style?
Or, do most cut the interlock off and solder direct?


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Wed 04, 2019 9:19 pm 
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Joined: Sep Tue 30, 2014 6:08 am
Posts: 5133
Location: Norfolk, VA
Surplus sales of Nebraska seems to be the only seller outside of ebay.

https://www.surplussales.com/Electrical ... rds-1.html

Me, I've made an odd cord or two with a cord, contacts, and Sugru.

_________________
Brian
"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 12:29 am 
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Joined: Dec Wed 25, 2013 7:57 am
Posts: 3991
Location: USA
Once in a while, I find them at the thrift shop. If you want one without the "ears" or the grooves to accomodate the wood/cardboard radio back, I've seen them labeled as appliance cords (white) at the local hardware store or used "Salton Hotray" cords elsewhere.


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Last edited by AJJ on Dec Thu 05, 2019 12:55 am, edited 2 times in total.
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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 12:39 am 
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Location: Montvale NJ, 07645
The polarized ones are common. A guy at K-town had a box of hundreds of them for $1 each.
The non-polarized ones are difficult to get :cry:


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 1:51 am 
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Joined: Jul Mon 01, 2019 4:42 pm
Posts: 387
Location: St. Louis, MO
I usually use a few inches of 2-wire lamp cord, a polarized IEC 320-C8, a pair of #4 screws, nuts and a polarized 2 prong power cord. The panel cut out on those old panels for the old interlocks is usually very close to the size of the IEC 320-C8. If I have to make the hole larger, a little file or a utility knife works fine. I unsolder or cut off the pins inside. Those old interlock plugs are so long and the IEC 320-C8 is so short that I've never had a problem with clearance inside.

You've upgraded your old device to a modern, standard, replaceable, brand new cord while still having the disconnecting safety of the interlock.


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 2:23 am 
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Just be aware that most of the available ones are polarized—which not only means the plug itself, but the mating connector to receive the chassis pins are polarized too—meaning one hole is larger then the other—this won’t mate properly (you can have a loose connection)to a vintage interlock chassis pin arrangement unless you do some modifying.


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 3:14 am 
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Location: USA
If the cord is just dirty but otherwise intact with insulation not damaged, I usually would clean it with waterless hand cleaner and place it back into service.


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 7:39 pm 
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Joined: Apr Wed 10, 2019 3:48 am
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Thank you


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 Post subject: Re: Power Cord Replacement Source
PostPosted: Dec Thu 05, 2019 9:33 pm 
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Joined: Feb Thu 28, 2019 7:48 pm
Posts: 457
Location: Lawrenceville, Illinois 62439
You mean not everybody saved them off their old console TV trades before sending them off to recycling like the old man did?
I would offer one to you, but a random check shows most of them are starting to feel a little hardened/brittle.
Dan


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