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Author Topic: 8 conductor power supply cable for HW-101  (Read 1720 times)
AA4OO
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« on: May 28, 2019, 06:38:24 AM »

I did search for this as it seems it would be a common topic but I couldn't find the answer...

I'm looking for 8 conductor "cable" for use with my HW-101.  I already have the connectors and shells, I just need a source for the cable.  I know that the filament wire should be larger gauge as it carries more current and that the insulation should be rated to 800v for the HF part but I can't find a source for the multi-conductor cable by itself.
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W8RLC
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« Reply #1 on: May 28, 2019, 06:51:51 AM »

Complete kits are available on ebay. Send the seller an email, at one time he said he would sell the cable separately.
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G3RZP
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« Reply #2 on: May 28, 2019, 07:47:55 AM »

Try rotator cable for a HY Gain T2X or similar rotator. 8 cores, two heavy duty.
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W9IQ
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« Reply #3 on: May 28, 2019, 07:52:48 AM »

Try rotator cable for a HY Gain T2X or similar rotator. 8 cores, two heavy duty.

Peter,

I would seriously doubt that typical rotor cable has an 800+ volt insulation rating.

- Glenn W9IQ
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- Glenn W9IQ

I never make a mistake. I thought I did once but I was wrong.
KD0REQ
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« Reply #4 on: May 28, 2019, 08:08:31 AM »

vinyl tubing from the home center, and THHN wire for most leads, test prod wire for the B++. pull and terminate.  looks Heathkitty.
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G3RZP
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« Reply #5 on: May 28, 2019, 08:18:24 AM »

Glenn,

The stuff I got has heavy insulation, and worked OK for a long time until the HW101 became a junker. (It NEVER had good audio and the SSB filter response was crap!)
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WA5VGO
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« Reply #6 on: May 28, 2019, 09:38:36 AM »

Agree with G3RZP. Rotor cable will work fine. I’ve used it with numerous tube type transceiver power supplies and never had an issue. I suspect this is the same stuff Heathkit actually used.
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AA4OO
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« Reply #7 on: May 28, 2019, 11:35:16 AM »

Agree with G3RZP. Rotor cable will work fine. I’ve used it with numerous tube type transceiver power supplies and never had an issue. I suspect this is the same stuff Heathkit actually used.

Thanks, I will look for that.
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AA4OO
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« Reply #8 on: May 28, 2019, 03:10:26 PM »

Ordering from Hy-Gain is a hoot.  I ordered 10 feet of 8-conductor wire for $8.85 and they want to charge me $15 to ship it.

Anyone know of more reasonable vendor to order the 8-conductor cable from?
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N4MQ
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« Reply #9 on: May 29, 2019, 03:58:46 AM »

here is a quick search on ebay, 25' fer about 25$, enjoy woody

https://www.ebay.com/itm/Antenna-Rotor-Cable-Belden-8448-25-foot-length/282421552377?hash=item41c1a2e4f9:g:hrEAAOSw~CFY4-pY
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W9GB
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« Reply #10 on: June 03, 2019, 11:49:09 AM »

Antenna Rotator cable wire insulation is normally rated for 300 Volts.
==
The RF Connection (Maryland) sells a replacement cable for the Collins 516F-2 HV power supply.
https://rfconnection.com/collins-radio-accessories/

RFC516F2 - Collins 516F-2 AC Power Supply Cable - $6.00 / foot
Collins Gray Jacket, 90% Tinned CU Braided Shield,
9 Conductor#18 Stranded Tinned Copper, 1000V Rating,
Insulation Color Code same as 516F-2 Schematic
==
Desire to Save on Shipping Costs?
IF you live in Maryland or Northern Virginia, these are 2019 Hamfests.
https://rfconnection.com/
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AF4O
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« Reply #11 on: June 03, 2019, 05:36:59 PM »

I have a HW-100 that I hope to soon restore. It originally belong to my elmer and was my first novice radio in 1978. He home brewed the power supply and the wiring harness is individual wires he cinched up with wax string like they did back then. You could do that if you wanted the old time look or simply use small zip ties. Depending on placement, its not likely to be seen anyway. 73 Chuck AF4O
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WB6BYU
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« Reply #12 on: June 03, 2019, 10:03:38 PM »

That's exactly what I used for my HW-12:  multiple individual wires, using whatever
I had in the junk box.  It is easier if you have different colors, but not mandatory.
If you have a pair of wires for switching AC power to the supply, you can use a piece
of zip cord for those to avoid possible confusion.  Size the wires as needed for the
expected current on each.  You can use test prod wire for the HV line, though the
connectors will probably arc over before the wire itself.

I think mine were bundled with a few wraps of electrical tape at critical points (and
you could use cable lacing twine, heat shrink tubing, or colored pipe cleaners
instead) but even that isn't necessary as long as you have sufficient strain relief
at the connectors.
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VK6HP
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« Reply #13 on: June 03, 2019, 10:07:29 PM »

The Collins cable referenced by W9GB is a far superior offering to many of the eBay options.  I bought an eBay connector and cable kit for an SB-102/HP23A combination, largely because I needed the connectors and the additional cost of the cable was small.  When it arrived, I saw why: I had a good laugh at the prospect of amps of filament current and an 800V plate supply on the tiny cable that was supplied.  Most recently, I bought a couple of metres of The RF Connection cable as part of a Collins 516F-2 restoration and, while not cheap, it's the real deal.  

73, Peter.
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KC1BMD
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« Reply #14 on: June 05, 2019, 04:54:51 AM »

This ebay seller has a kit: BRAND-NEW-11-PIN-CABLE-FOR-HEATHKIT-HW-RADIOS-TO-HP-POWER-SUPPLY

I believe the seller told me he gets the wire from The Wireman e.g. "301. You might be able to use "302" but if you go too large on the conductors, you will be trimming more strands to allow them to fit into the 11-pin round connectors.
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