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24 AWG cable for dotcom power cable DIY?
MUFF WIGGLER Forum Index -> 5U Format Modules  
Author 24 AWG cable for dotcom power cable DIY?
russma
I tried. I really did.

I need to make a few dotcom power cables, but I can't find a Mouser part number for the 24 AWG cable used to make them.

Anyone?

Dead Banana
pugix
24 AWG is small for power anyway. Why not use #22 or even #20?
russma
I'm just deriving the gauge from the connector specs listed on the dotcom site:

Female 24AWG cable mount: AMP #6404416
Male PCB mount: AMP #6404566
JohnLRice
I like NTE stranded hookup wire and Tri-State Electronics was a decent place to buy from. Try this page: thumbs up
http://www.tselectronic.com/shop/product/Stranded-Hook-Up-Wire/1571
suitandtieguy
Be careful and don't injure yourself.
JohnLRice
JohnLRice wrote:
I like NTE stranded hookup wire and Tri-State Electronics was a decent place to buy from. Try this page: thumbs up
http://www.tselectronic.com/shop/product/Stranded-Hook-Up-Wire/1571


d'oh! Sheesh, what was I thinking. You probably want a 5 conductor "cable", not individual wires, right? If so never mind about the NTE stuff I mentioned.
JohnLRice
OK, this must be what you are lookig for since I got the brand and model right off the wire Synth.com uses for their power cables Ninja

Agave Wire CM-8002
24 AWG STRANDED 4 COND UNSHIELDED CABLE
http://agavewire.com/shop/item.asp?itemid=644&catid=
AWG 24
Conductor Stranding 7/32
# Cond 4
Nominal OD (in) 0.174
Jacket Thickness (in) 0.032
Insulation Thickness (in) 0.010
russma
No, I want individual wires.

I'm on this page at Mouser. Hook-up wire: 24AWG.

What I need to know is:

Stranding:

Voltage Rating:

Temperature Rating:

Jacket Material:
russma
Ok, so stranding is 7/32. Now I just need to know voltage, jacket type and temp rating.

I'm guessing voltage and temp are 250V and +80C?

Jacket type?
JohnLRice
Some similar possibilities:

http://www.mouser.com/ProductDetail/Alpha-Wire/5014C-SL005/?qs=sGAEpiM ZZMuPnr6I6Psi5VUZZhX5myN%2fUlgJf58yyuY%3d

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=W404- 100-ND
SynthBaron
How much do you need? Send me a a couple of bux of shipping and I'll send you some.
JohnLRice
JohnLRice wrote:
Some similar possibilities:

http://www.mouser.com/ProductDetail/Alpha-Wire/5014C-SL005/?qs=sGAEpiM ZZMuPnr6I6Psi5VUZZhX5myN%2fUlgJf58yyuY%3d

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=W404- 100-ND


LOL, OK, you want individual wires, never mind the above. lol

I think that any wire will probably work so long as it is the same gauge or larger than the original specified and it will work with the connectors.

You might save yourself some trouble and just get some premade cables. Grove Audio sells them for $4.50 each (I haven't seem one myself though)

Or be lazy and dumb like me and buy a DotCom harness, cut it apart and slap some connectors on the cut ends! thumbs up
JohnLRice
idiotboy wrote:
I'm guessing voltage and temp are 250V and +80C?
Jacket type?


The DotCom Agave Wire says 300V 80C. Since you are going to be running a fifth of the max voltage through it, the temp rating probably doesn't matter. hihi
russma
I appreciate all the help.

I actually want to make these cables myself. And I want to know the details necessary to order this type of cable when I need it.

So, it looks like I need this wire:

24 AWG Hook-up wire
Jacket Material: PVC
Stranding: 7/32
Voltage Rating: 300V
Temperature Rating: +80C

...and these connectors

...and if I'm feeling spendy, this "tool".

Yes, I'm an idiot.
w00t
SynthBaron
Buy it from here:

http://www.allelectronics.com/make-a-store/category/825450/Wire/Cable/ Hook-Up-100-Rolls/1.html

Much cheaper.
JohnLRice
idiotboy wrote:
I appreciate all the help.

I actually want to make these cables myself. And I want to know the details necessary to order this type of cable when I need it.

...and if I'm feeling spendy, this "tool".

Yes, I'm an idiot.
w00t


Idiots don't do things the 'right' way so, you may have to change your 'name'! thumbs up

Definitely get the tool, it is worth the less than $20!

If you want to be perfect get the connector dust covers and the keying plugs too.

Best of luck. Post some pictures when yer done! hyper
russma
SynthBaron wrote:
...Much cheaper....


Is it ever. Thanks!
russma
JohnLRice wrote:
...If you want to be perfect get the connector dust covers and the keying plugs too....


I don't want to be perfect.
Mr. Green

Thanks John.
applause
bwhittington
If you are doing more than a few, the tool is worthwhile. Not strictly necessary, but it's helpful.

Cheers,
Brian
goom
SynthBaron wrote:
Buy it from here:

http://www.allelectronics.com/make-a-store/category/825450/Wire/Cable/ Hook-Up-100-Rolls/1.html

Much cheaper.


I have some of that Consolidated brand cable, and it doesn't solder very well. Personally, I'd recommend Belden or another brand.

re: wire specs - I don't believe the exact # of strands, gauge or temp is critical to the operation in typical synths circuits. The stranding I think related to how pliable/bendable the wire is, the temp might come into play if you're soldering with a hot iron (the temp shouldn't get anywhere that high while using the synth), and the gauge will be dictated by the connectors that you're using.

Hopefully someone will chime in with more specific details on this matter...
davebr
I solder all my wires into the MTA connectors. Mostly, I do this for the MOTM style in the 0.156 connectors with 20 gauge wire.

I have made some MOTM to Dotcom cables for my modules. I used the same 20 gauge wire. It's too big to fit through the strain relief portion of the connector so I had to narrow it down. It soldered just fine.

If you are going to solder them, I would suggest 22 gauge. You just need to be quick and accurate to not melt the connector. It works quite well. If you use a lot of solder, it can wick down into the connector. I always solder mine rotated sideways.

For wire, I have never found any that I like at Mouser. I buy NTE on the 25' spools locally.

Here's my MOTM-to-dotcom cable:


Dave
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