Failed an inspection yesterday

[Paul B]

Cooper recepts, When you use the hole next to the ground screw for wrapping the wire, which direction do you wrap it. This particular job the helper wrapped the wire clockwise. The inspector said it will pull out and come off while tightening. None were loose but he wants them all changed. What do you think?

[alfiesauce]

If he wrapped the wire clockwise that should be correct.
I've never used the hole in the side of the outlet before, but when twisting and placing the twist under the screw you place it so that when tightening the screw to the right (clockwise) that the wire wraps up more with the tightening.
So..
huh

[chris kennedy]

I agree clockwise is the proper method.

Installation Method
Exhibit 110.3 illustrates the following correct method of connection:
1. The freshly stripped end of the wire is wrapped two-thirds to three-quarters of the distance around the wire-binding screw post, as shown in Step A of Exhibit 110.3. The loop is made so that rotation of the screw during tightening will tend to wrap the wire around the post rather than unwrap it.
2. The screw is tightened until the wire is snugly in contact with the underside of the screw head and with the contact plate on the wiring device, as shown in Step B of Exhibit 110.3.
3. The screw is tightened an additional half-turn, thereby providing a firm connection, as shown in Step C of Exhibit 110.3. If a torque screwdriver is used, the screw is tightened to 12 lb-in.
4. The wires should be positioned behind the wiring device to decrease the likelihood of the terminal screws loosening when the device is positioned into the outlet box.

[celtic]

Here is the graphic to accompany chris' post:

http://i207.photobucket.com/albums/bb119/Celtic_12557/outletscrew.jpg

[Paul B]

Thanks for the replies guys but you are missing the point. The cooper recepts have a hole next to the ground screw, which you insert the wire and wrap around the screw. So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?

[chris kennedy]

So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?
Umm, no....

[celtic]

Thanks for the replies guys but you are missing the point.
Listen...we'll decide what the point is.




:D



The cooper recepts have a hole next to the ground screw, which you insert the wire and wrap around the screw. So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?

Do these use a "pressure plate" rather the screw down terminals posted above?

[brian john]

Then the conductor wrapped in a CCW direction?

[Paul B]

Never mind, I just change them all.

[hbiss]

I think Leviton has the same hole. You don't stick the wire through it, it's supposed to be used as a tool to bend the hook. Forget the hole, wrap the wire around the screw the usual way clockwise.

-Hal

[cadpoint]

Why,

Never mind, I just change them all.
Why aren't you on the phone Monday in the AM to say this is quite a bit above and beyond whats required to terminated devices, per what ever code your under.

If the other posters would qualify where they got there statements and pictures, that in in hand or via a fax could surely make a point to him or his supervisor.

I've never heard of any physical wrapping of snaking a wire through a hole to continue on to termination. But it does read as being loopy..

[brian john]

But if you use the hole you can still wrap in the correct direction!

[William1978]

Cooper recepts, When you use the hole next to the ground screw for wrapping the wire, which direction do you wrap it. This particular job the helper wrapped the wire clockwise. The inspector said it will pull out and come off while tightening. None were loose but he wants them all changed. What do you think?
Is this the only thing you failed for it sounds petty to me. I would have passed them wrap clockwise in a heartbeat.

[SEO]

Wrap the conductor clockwise.

[Paul B]

Thanks for the replies, I agree it is petty. We went there today and changed them all.

[charlie b]

I agree clockwise is the proper method.
Chris, where did you get your quote from (in your Post #3)? That is not NEC article 110.3, so what is it?

I see that the matter has been resolved. But I think the inspector went too far. This is not a code issue, and therefore it is outside the inspector's authority to reject it.

[iwire]

Charlie I believe he is talking about 110.3(B) and the fact the manufacturers directions tell us to wrap clockwise.

[charlie b]

So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?
I get it.

If you hold the insulated portion of the wire immobile by grabbing it let us say an inch from the tip, and then you move the tip in a CW direction, then the wire will be wrapped around the screw post in a CW direction, and will be in a position to be tightened, when you tighten the screw. But you are talking about holding the tip immobile, and moving the insulated portion of the wire in a CW direction. That will, as you say, cause the wire to be wrapped around the screw in a CCW direction.

[iwire]

I should have added The quote appears to be from the handbook and Celtic's post appears to be Exhibit 110.3

[charlie b]

Charlie I believe he is talking about 110.3(B) and the fact the manufacturers directions tell us to wrap clockwise.
But he is quoting something that includes an exhibit 110.3. Not even the handbook has such an exhibit.

[roger]

But he is quoting something that includes an exhibit 110.3. Not even the handbook has such an exhibit.
Charlie, My 2008 NECH does have exhibit 110.3.

Installation Method
Exhibit 110.3 illustrates the following correct method of connection:

1. The freshly stripped end of the wire is wrapped two-thirds to three-quarters of the distance around the wire-binding screw post, as shown in Step A of Exhibit 110.3. The loop is made so that rotation of the screw during tightening will tend to wrap the wire around the post rather than unwrap it.

2. The screw is tightened until the wire is snugly in contact with the underside of the screw head and with the contact plate on the wiring device, as shown in Step B of Exhibit 110.3.

3. The screw is tightened an additional half-turn, thereby providing a firm connection, as shown in Step C of Exhibit 110.3. If a torque screwdriver is used, the screw is tightened to 12 lb-in.

4. The wires should be positioned behind the wiring device to decrease the likelihood of the terminal screws loosening when the device is positioned into the outlet box.



http://i207.photobucket.com/albums/bb119/Celtic_12557/outletscrew.jpg


Exhibit 110.3 Correct method of terminating aluminum wire at wire-binding screw terminals of receptacles and snap switches. (Redrawn courtesy of Underwriters Laboratories Inc.)




Roger

[charlie b]

Charlie, My 2008 NECH does have exhibit 110.3.
OK, so does the one on my cubicle-neighbor's desk. I didn't see it earlier, because I foolishly looked for "Exhibit 110.3" in the vicinity of "Article 110.3." It appears about five pages later. Thanks for pointing it out.

[roger]

OK, so does the one on my cubicle-neighbor's desk. I didn't see it earlier, because I foolishly looked for "Exhibit 110.3" in the vicinity of "Article 110.3." It appears about five pages later. Thanks for pointing it out.

It does seem out of place or at least should be numbered differently IMO.

Roger

[celtic]

It would certainly be more convenient for the pictures to correlate to the article/section....but then again, the NEC states:

...is not necessarily efficient, convenient, or adequate for good service....

Why would the NECH be any different :D

[boboelectric]

Now ,can we debate receptacle ground up ,ground down??????

[jmsbrush]

Of course ,but only if we talk about hotdogs and steaks:grin:

[realolman]

You mean like this?http://i122.photobucket.com/albums/o261/realolman/screw.jpg

You got some crappy lookin wire, by the way:smile:

[steelersman]

Thanks for the replies guys but you are missing the point. The cooper recepts have a hole next to the ground screw, which you insert the wire and wrap around the screw. So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?
What in tarnations are you talking about?

[steelersman]

I think Leviton has the same hole. You don't stick the wire through it, it's supposed to be used as a tool to bend the hook. Forget the hole, wrap the wire around the screw the usual way clockwise.

-Hal
yeah really man, it's so easy a caveman can do it.

[steelersman]

Is this the only thing you failed for it sounds petty to me. I would have passed them wrap clockwise in a heartbeat.
of course you would. You's better because they are suppossed to be clockwise!!

[LarryFine]

You got some crappy lookin wire, by the way:smile:That's that new-fangled multi-gauge wire. You just stretch it until it's the gauge you need.

[Paul B]

You mean like this?http://i122.photobucket.com/albums/o261/realolman/screw.jpg

You got some crappy lookin wire, by the way:smile:


Yes just like that

[celtic]

Yes just like that

It's backwards....that is just the opposite of Exhibit 110.3 ....#4 (http://forums.mikeholt.com/showpost.php?p=931198&postcount=4)

[iwire]

Thanks for the replies guys but you are missing the point. The cooper recepts have a hole next to the ground screw, which you insert the wire and wrap around the screw. So if you insert the wire in the hole and go clockwise, you are actually wrapping the screw counterclockwise although you are wrapping it clockwise, you get it?


What in tarnations are you talking about?

Paul B is absolutely correct.