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 Taps on power bus?
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Author Previous Topic: Lineside Signals for the B&M Eastern Route Topic Next Topic: PSX-1 Circuit breakers and signalling  

deemery
Fireman

Premium Member


Posted - 02/13/2020 :  3:42:15 PM  Show Profile  Reply with Quote
I have been using insulation displacement "suitcase" connectors (IDC) to tap the power bus lines (14 gauge) for the track feeders. But I've been having real problems installing the IDC, apparently the insulation on my wire is too tough and the metal bar that's supposed to part the insulation and connect the wires isn't making good/even contact.

Does anyone have a suggestion/recommendation for alternatives? My track bus is already installed, and does not have enough slack in it to cut the bus in multiple places to add in taps that break the wire. So I'm stuck with something that can make a T connection into the bus wires.

Thanks in advance!

dave
Modeling 1890s (because the voices in my head told me to)

Country: USA | Posts: 8126

Ray46
Engine Wiper

Posted - 02/13/2020 :  5:47:13 PM  Show Profile  Reply with Quote
Cut the bus and strip; Twist each end with feeder and attach a wire nut.

Ray



Country: USA | Posts: 265 Go to Top of Page

jbvb
Fireman

Premium Member


Posted - 02/13/2020 :  5:59:55 PM  Show Profile  Visit jbvb's Homepage  Reply with Quote
I've cut the insulation off a short segment in the middle of a wire and soldered/taped. But one thing about a buss, if it isn't nailed to the framework too vigorously, you can just start cutting and wire-nutting, and when you get to the end and it doesn't go far enough, splice a foot or two of new wire in.


Country: USA | Posts: 6260 Go to Top of Page

k9wrangler
Engineer



Posted - 02/13/2020 :  9:09:13 PM  Show Profile  Reply with Quote
I have a wire stripper that cuts the insulation then spreads it a quarter to half an inch and allows me to attach a wire and solder it. Harbor Freight and other sell similar devices. It works well for me on my power buss.

Here is a short video of a Klein cutter, mine from Harbor Frt is orange and works on the same principle. Not sure on the adjustable extras, HF didn't 'splain that part....The second part he shows is what I use for my layout dcc buss.

https://www.youtube.com/watch?v=GJQio2EqkOs


Karl Scribner
Sunfield Twp. Michigan
H.M.F.I.C
Kentucky Southern Railway
The Spartan Line

Edited by - k9wrangler on 02/14/2020 07:57:00 AM

Country: USA | Posts: 10836 Go to Top of Page

nortonw
Section Hand



Posted - 02/14/2020 :  01:02:26 AM  Show Profile  Reply with Quote
Karl,

I think I have one of those tools you describe. It does just what you say, cuts the insulation and spreads it away from the cut to allow soldering. Although the tool is actually meant to strip the insulation from the end of a wire, It works just as well making a naked wire in the middle to allow soldering.

BTW, Where's the video of the Klein cutter?



Country: USA | Posts: 72 Go to Top of Page

k9wrangler
Engineer



Posted - 02/14/2020 :  07:53:24 AM  Show Profile  Reply with Quote
quote:
Originally posted by nortonw

Karl,

I think I have one of those tools you describe. It does just what you say, cuts the insulation and spreads it away from the cut to allow soldering. Although the tool is actually meant to strip the insulation from the end of a wire, It works just as well making a naked wire in the middle to allow soldering.

BTW, Where's the video of the Klein cutter?

Good question...

My inner Homer Simpson dropped the ball https://www.youtube.com/watch?v=GJQio2EqkOs


Karl Scribner
Sunfield Twp. Michigan
H.M.F.I.C
Kentucky Southern Railway
The Spartan Line

Edited by - k9wrangler on 02/14/2020 07:58:16 AM

Country: USA | Posts: 10836 Go to Top of Page

railmus
Fireman



Posted - 02/14/2020 :  5:21:57 PM  Show Profile  Visit railmus's Homepage  Reply with Quote
I go with the wire stripper all the time. Offset the soldering spots.

WORKS LIKE A CHARM!



Country: Canada | Posts: 1989 Go to Top of Page

deemery
Fireman

Premium Member


Posted - 02/14/2020 :  8:04:14 PM  Show Profile  Reply with Quote
Thanks for the thoughts. Soldering the existing bus is just not feasible, there would be too much contortion and even lying on my back. If I have to go that route, I'll rip out the bus and redo the whole thing from scratch.

But I forgot I had a tool to crimp the suitcase connectors, maybe that'll give me better luck. (Getting old and forgetting things sucks, it's been well over a year since I touched wiring.)

dave


Modeling 1890s (because the voices in my head told me to)

Country: USA | Posts: 8126 Go to Top of Page

deemery
Fireman

Premium Member


Posted - 02/15/2020 :  3:37:04 PM  Show Profile  Reply with Quote
I -forgot- I bought a tool to crimp suitcase connectors! Once I found that, my problems installing the IDCs went away. https://www.amazon.com/ScotchLok-Connector-Klein-Tools-D234-6/dp/B000JCRW0A

Getting old sucks...

dave


Modeling 1890s (because the voices in my head told me to)

Country: USA | Posts: 8126 Go to Top of Page

Greg@mnrr
Engine Wiper



Posted - 02/17/2020 :  12:21:43 PM  Show Profile  Reply with Quote
deemery: I'm so old that I forgot that I was old!!!

I like using the IDC's and I use a channel locks to close the IDC's. Using the IDC's sure beats soldering for older modelers.

Greg


The Chicago, Milwaukee & Northern Railroad

Est. 1983

Country: | Posts: 115 Go to Top of Page

john holt
Engine Wiper



Posted - 03/05/2020 :  8:46:11 PM  Show Profile  Reply with Quote
Dave.....Try Amazon for the following. May be available from other sources :
Posi-Tap Blue (10) Inline Wire Connectors 14,16, GA, AWG, Electrical Fastener,



GULF COAST & WESTERN


Country: USA | Posts: 370 Go to Top of Page
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