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pmnewlon
Joined: 20 Jan 2011
Posts: 21
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 Posted: Wed Jun 22, 2011 1:47 pm Post subject: multiple wires to a single terminal |
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At the risk of sounding like a complete idiot....  I have searched the archives, Bob's AC, and AC43.13 and found nothing that addresses the question "can I (for example) put two 20AWG wires in a 18AWG crimp-on terminal"? Does this defy best practices? It would be electrically sound, mechanically sound, and I think gas-tight. Is it better to lap solder a Y connection with shrink tube and then have a single wire going in the crimped terminal?
Along the same lines, how about a solder connection on a switch terminal that needs two wires attached to it? I think the answer to that one is the lap soldered Y.
The answer is probably in one of the cited places but I can't seem to come up with the right search words.
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rleffler
Joined: 05 Nov 2006
Posts: 680
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nuckolls.bob(at)aeroelect
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| Posted: Wed Jun 22, 2011 4:22 pm Post subject: multiple wires to a single terminal |
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At 04:47 PM 6/22/2011, you wrote:
--> AeroElectric-List message posted by: "pmnewlon" <philn(at)toosan.com>
At the risk of sounding like a complete idiot.... I have searched the archives, Bob's AC, and AC43.13 and found nothing that addresses the question "can I (for example) put two 20AWG wires in a 18AWG crimp-on terminal"? Does this defy best practices?
Not at all.
See http://aeroelectric.com/articles/multiplewires/multiplewires.html
It would be electrically sound, mechanically sound, and I think gas-tight. Is it better to lap solder a Y connection with shrink tube and then have a single wire going in the crimped terminal?
No
Along the same lines, how about a solder connection on a switch terminal that needs two wires attached to it? I think the answer to that one is the lap soldered Y.
How big a terminal and what size wires. Generally
speaking, a solder-terminal on a switch is robust
enough to handle wires rated at a level similar to
the switch. For example:
How big a terminal and what size wires?
Generally speaking, a solder-terminal on a switch is robust
enough to handle wires rated at a level similar to
the switch. For example:
[img]cid:7.1.0.9.0.20110622191232.01ff9fb8(at)aeroelectric.com.0[/img]
This 5A switch handles 22AWG wires nicely. But I
probably wouldn't pile more than 2 such wires
onto one terminal.
[img]cid:7.1.0.9.0.20110622191232.01ff9fb8(at)aeroelectric.com.1[/img]
Switches like this are wired with ring terminals.
I've seen a couple of terminals stacked onto one
screw with perhaps 4-5 total wires. It's pretty
much a judgement call. If in doubt, don't add more
wires.
Bob . . .
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raymondj(at)frontiernet.n
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| Posted: Wed Jun 22, 2011 4:39 pm Post subject: multiple wires to a single terminal |
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General question on crimping. Is it better to twist the wires together,
in the case of multiple wires, or to twist the strands of a single wire
or is it better to have them straight and parallel to the sleeve?
Thanks.
Raymond Julian
Kettle River, MN
"And you know that I could have me a million more friends,
and all I'd have to lose is my point of view." - John Prine
On 06/22/2011 07:19 PM, Robert L. Nuckolls, III wrote:
| Quote: | At 04:47 PM 6/22/2011, you wrote:
At the risk of sounding like a complete idiot.... I have searched the
archives, Bob's AC, and AC43.13 and found nothing that addresses the
question "can I (for example) put two 20AWG wires in a 18AWG crimp-on
terminal"? Does this defy best practices?
Not at all.
See http://aeroelectric.com/articles/multiplewires/multiplewires.html
It would be electrically sound, mechanically sound, and I think
gas-tight. Is it better to lap solder a Y connection with shrink tube
and then have a single wire going in the crimped terminal?
No
Along the same lines, how about a solder connection on a switch terminal
that needs two wires attached to it? I think the answer to that one is
the lap soldered Y.
How big a terminal and what size wires. Generally
speaking, a solder-terminal on a switch is robust
enough to handle wires rated at a level similar to
the switch. For example:
How big a terminal and what size wires?
Generally speaking, a solder-terminal on a switch is robust
enough to handle wires rated at a level similar to
the switch. For example:
Emacs!
This 5A switch handles 22AWG wires nicely. But I
probably wouldn't pile more than 2 such wires
onto one terminal.
Emacs!
Switches like this are wired with ring terminals.
I've seen a couple of terminals stacked onto one
screw with perhaps 4-5 total wires. It's pretty
much a judgement call. If in doubt, don't add more
wires.
Bob . . .
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nuckolls.bob(at)aeroelect
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| Posted: Wed Jun 22, 2011 5:55 pm Post subject: multiple wires to a single terminal |
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At 07:36 PM 6/22/2011, you wrote:
| Quote: |
General question on crimping. Is it better to twist the wires
together, in the case of multiple wires, or to twist the strands of
a single wire or is it better to have them straight and parallel to the sleeve?
|
Straight and parallel.
Bob . . .
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pmnewlon
Joined: 20 Jan 2011
Posts: 21
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| Posted: Thu Jun 23, 2011 2:28 am Post subject: Re: multiple wires to a single terminal |
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Thanks Bob K and Bob L!
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