Stranded wires under screws

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steelersman said:
I am all about backstabbing. I was just joking. Matter of fact the previous 2 posts were a farce (I think that's how to spell it). :)
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you *don't* use epoxy? i thought i had found a friend... you mean i'm the
only one who uses epoxy on devices? personally, i use epoxy potting
compound, letting it cure overnight.... otherwise, it's pretty sticky to
handle.. of course, you can cover it with saran wrap.......
 
Fulthrotl said:
you *don't* use epoxy? i thought i had found a friend... you mean i'm the
only one who uses epoxy on devices? personally, i use epoxy potting
compound, letting it cure overnight.... otherwise, it's pretty sticky to
handle.. of course, you can cover it with saran wrap.......
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Well I must admit, I do use epoxy. I just don't use it on devices. I do however use it once in a while for things that break after the duct tape fix wears off. :)
 
Pierre C Belarge said:
. . . terminal screws on devices are not listed for fork type terminations. . .
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It seems that Pierre's post was ignored. I just got back from the Indiana Chapter meeting of the IAEI and Tom Lichtenstein with UL stated that there were no connectors listed for landing on a receptacle that you crimp on in the field. Don't be surprised if you start getting red tags for using fork connectors. :)
 
Pierre C Belarge said:
...terminal screws on devices are not listed for fork type terminations. .
charlie said:
It seems that Pierre's post was ignored.
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Only by some...
Pierre C Belarge said:
...MOST terminal screws on devices are not listed for fork type terminations. .
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:grin:







charlie said:
I just got back from the Indiana Chapter meeting of the IAEI and Tom Lichtenstein with UL stated that there were no connectors listed for landing on a receptacle that you crimp on in the field. Don't be surprised if you start getting red tags for using fork connectors. :)
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...and another satisfied customer:
celtic said:
Are any receptacles rated to take stranded wire with fork terminals?
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TY Pierre and charlie.
 
RE: Twisting wire backwards before making the loop:

BMacky said:
I was taught this same technique and surprisingly, it works well. IMO the contact between strands and screw terminals can be compromised if you are in a hurry and don't take the time to do it right the first time. I know my connections are good, so it's the other guys doing it that I'd be more concerned about. Have a standard method that works, and make sure everyone uses it.
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Why not just leave it CW, bend the wire the other way and flip it over?
 
Bigger the blob--better the job

Bigger the blob--better the job

steelersman said:
whenever i terminate stranded conductors onto devices after stripping the wire i solder the end to keep the strands together. Then after i wrap it around the screw i solder it in there real good.
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my first electronics lab instructor-----on soldering-----bigger the blob -better the job
 
K8MHZ said:
RE: Twisting wire backwards before making the loop:

Why not just leave it CW, bend the wire the other way and flip it over?
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A CW twist is still a CW twist, no matter which direction you bend the hook.

As iwire shows in his photo, if you make a tight enough CW twist, then the hook acts as a solid wire and makes a good connection.

With a CW twist, the action of the tightening screw head tends to loosen the twist of the wire; so you need to make the initial twist tight enough to counter this effect.

I have found that if you make a 'backward' (CCW) twist, then the action of the tightening screw head tends to tighten up the twist. So with a CCW twist you don't need as tight a twist to make a good connection.

Either way seems to work.

-Jon
 
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