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#114214 02/07/03 06:32 AM
Joined: Mar 2002
Posts: 360
T
Member
I agree with Stamcom, That looks like some sort of emt fitting that has been cut off.
Definitly something with a larger base fed through the hole and maybe fastened to the conduit somehow. Give the guy some points for creativity.

Keep a pair of flush cutting 4" side cutters in the bag just for tywraps. No sharp edges when you trim the tail, and you can cut them off without knicking wires. When I was in the airplane wiring business, we went through ty's by the gross.

TW

#114215 02/07/03 08:13 AM
Joined: Mar 2001
Posts: 2,056
R
Member
Thanks tx,

Now it all makes sense.

BTW,
I've gouged my arm on sharp ty-rap edges many times. The small flush cutting dykes do work nicely.

#114216 02/07/03 08:24 AM
Joined: May 2001
Posts: 552
T
Member
If you use your side cutters to twist the excess tie wrap off instead of cutting it,it will not leave a sharp edge.


Donnie
#114217 02/07/03 10:12 AM
Joined: Jan 2003
Posts: 134
L
Member
it's hard to tell if it's a connector or a nipple,if it's a nipple they cut it to short and just made it into the box and put the locknut on. but no bushing. i like the key

i also like the plastic connector for the grounding conductor.thats approved for grounding.right

#114218 02/07/03 10:47 AM
Joined: Oct 2001
Posts: 597
E
Member
Stamcon, TW;

If the galvanized disk is the shoulder flange of a conduit connector, isn't what we're looking at in the photo wider than the usual flange? Also, I see a notch in the outer edge of the flange at 2 o'clock, and what might be another notch at 10 o'clock.

This puts me in mind of a stamped steel nut with a single thread. If this is the case, I see no evidence of paint removal to ensure a good bond.


Al Hildenbrand
#114219 02/07/03 12:09 PM
Joined: Oct 2000
Posts: 3,682
Likes: 3
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Some additional info:
Quote
This was a electrical inspection to retap a new service at a residence, the issue - is there a good ground path? (equipment bonding another question) there is no doubt 110.3b is a violation as this is not a listed and approved fitting.

David T.


[This message has been edited by Webmaster (edited 02-07-2003).]

#114220 02/07/03 03:27 PM
Joined: Apr 2002
Posts: 2,527
B
Moderator
Quote
Pearlfish "Those square Nylon thingys with the double face tape on them are guaranteed to fall off in a week."


Boy Howdy, P-fish! Those stickyback things are awful. Not to hawk Panduit so much, but if you ever need some that will last, try EMS-A-CO bases with epoxy glue in place of tape.

#114221 02/07/03 08:07 PM
Joined: Nov 2002
Posts: 174
K
Member
How does using a cable tie affect heat disbursal from the conductors? In other words, do you need to derate to create bundles of conductors?

#114222 02/08/03 12:37 PM
Joined: Mar 2002
Posts: 360
T
Member
I've found the trick with the square plastic thingy's with the double faced tape is to stick them, then leave them for a day. Then load them up. Apparently the tape needs time to "set". I've had some in service for years. Unfortunatly you can't do that when you are on a job, and need to get it done and get on with it. I have the luxury of time, on most of my projects.

It also helps to make sure that the wires aren't trying to pull them off, ie bend the wires so that the tywrap just keeps them there, don't use it to pull them there.

TW

#114223 02/08/03 01:11 PM
Joined: Sep 2001
Posts: 806
N
Member
It helps if you clean the surface before sticking them down, too. The little premoistened alcohol wipes from a drugstore work well.

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