Today's Message Index:
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1. 01:27 PM - crimping question (blues750)
2. 03:10 PM - Re: crimping question (donjohnston)
3. 03:15 PM - Re: RG400 Splice (donjohnston)
4. 04:58 PM - Re: RG400 Splice (Eric M. Jones)
5. 05:19 PM - Re: Re: RG400 Splice (Eric Page)
Message 1
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| Subject: | crimping question |
Best practices or caveats? When needing to put multiple wires to a single Faston
type connector... do you butt splice multiple wires then use single lead
to Faston spade or bring multiple wires into the Faston female connector and crimp?
Thanks for indulging me...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=445622#445622
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| Subject: | Re: crimping question |
Like many things, it depends. Two, three or maybe four (depends on the wire size),
and I'll put them all in a single connector. If they don't fit, I like to
splice the wires into a single lead.
But again, it depends on the size of the wires and their purpose. Six 20AWG wires
supplying devices that are on all the time probably wouldn't work well spliced
into a single 20AWG wire. But something like ground wires going to momentary
switches would be okay.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=445624#445624
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| Subject: | Re: RG400 Splice |
> But whatever you do, remember that the RF signal is carried in the insulation,
NOT the center conductor nor the shield!
This is the kind of stuff that makes my head explode. :(
You're saying the signal is carried by the thing that is not supposed to conduct
electricity?
And I'm not doubting you. It's just that makes as much sense (to me) as my car
battery being jammed full of AAA's. [Laughing]
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=445625#445625
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| Subject: | Re: RG400 Splice |
> You're saying the signal is carried by the thing that is not supposed to conduct
electricity? Don Johnson
The signal (which is obviously the important stuff) is DRIVEN by the "wave guide"
which is the metal parts, but transmitted inside the wave guide...which is
the insulation. It turns out that the wave velocity is exactly the same as the
speed of light inside the insulating material-- Vacuum, Teflon or PE for example.
I point this out to make sure that builders understand the reason for proper termination
(which includes joints) of the coaxial cable. I can't be "pig-tailed"
at high frequencies without enormous loss of signal strength. At low frequencies
(like audio) it just doesn't matter.
Electricity is strange. Please read my "Dabbling with Electricity".
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=445627#445627
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| Subject: | Re: RG400 Splice |
Not quite, Don. It's actually full of AA's. There are two of these...
http://www.youtube.com/watch?v=nzgDffMcsUU
...in every 12V car battery.
And every AA is actually a stack of coin cells in a plastic wrapper! ;-)
Eric
do not archive
On Aug 5, 2015, at 6:13 PM, "donjohnston" <don@velocity-xl.com> wrote:
> It's just that makes as much sense (to me) as my car battery being jammed f
ull of AAA's. [Laughing]
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