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#53475 - 06/26/05 05:37 PM Whats this?  
fhkelly  Offline
Junior Member
Joined: Jun 2005
Posts: 3
Hi, I ran into this awhile back. There are 3 tubes in the panel, each about 6 inches long, 1/2 inch dia. They are installed between the breaker lug and circuit. They appear to be a manufactured item but no labels seen. I'm a home inspector, not an electrician and have never seen this. Maybe some sort of choke coil or surge supressor? I was thinking fusable link but why on a breaker? Any help is appreciated.

Sorry, how do I get the photo on?

[This message has been edited by fhkelly (edited 06-26-2005).]

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#53476 - 06/26/05 05:42 PM Re: Whats this?  
Roger  Offline
Joined: May 2002
Posts: 1,716
E-mail the photo/s to

or a moderator and they will post them for you.


[This message has been edited by Roger (edited 06-26-2005).]

#53477 - 06/26/05 10:38 PM Re: Whats this?  
Admin  Offline

Joined: Oct 2000
Posts: 3,447
(posted for fhkelly)

[Linked Image]

[Linked Image]

#53478 - 06/27/05 10:28 AM Re: Whats this?  
Radar  Offline
Joined: Apr 2004
Posts: 349
Los Angeles, CA
Nice pictures, I can enlarge em way up without getting too grainy.

These things look more like push rod tubes than anything that belongs in a breaker panel. Ya got what, four of them in there that I can see. I wonder what the condition of the wiring inside the tubes is.

One potential problem I see is the over bending of the cable/wiring at the end of the tubes. What keeps the tube ends from wearing / cutting into the insulation (besides the electrical tape)?

Another thing is that in a panel, pretty much all metal surfaces are either live or grounded. These tubes are an exception.


There are 10 types of people. Those who know binary, and those who don't.

#53479 - 06/27/05 01:42 PM Re: Whats this?  
resqcapt19  Offline
Joined: Nov 2000
Posts: 2,148
That looks like one of the old underground splice kits where you poured a sealing compound into the tube after making the splice.


#53480 - 06/27/05 06:19 PM Re: Whats this?  
LK  Offline
Joined: Jan 2003
Posts: 1,429
New Jersey

That is what they look like, i wonder what those circuits are feeding?

#53481 - 06/27/05 06:25 PM Re: Whats this?  
pauluk  Offline
Joined: Aug 2001
Posts: 7,520
Norfolk, England
the old underground splice kits where you poured a sealing compound into the tube after making the splice.

Why on earth would anybody want to use something like that inside a penel? [Linked Image]

#53482 - 06/27/05 07:35 PM Re: Whats this?  
e57  Offline
Joined: May 2003
Posts: 2,876
I agree, it looks to be an underground splice. Maybe some one cut the wire too short?

If thats the case, it kind of over-kill for the application, when a wire nut will do the same.

Mark Heller
"Well - I oughta....." -Jackie Gleason

#53483 - 06/27/05 07:38 PM Re: Whats this?  
e57  Offline
Joined: May 2003
Posts: 2,876
Actually the wires aren't too short, on second look.

What are they?

Mark Heller
"Well - I oughta....." -Jackie Gleason

#53484 - 06/27/05 08:45 PM Re: Whats this?  
dmattox  Offline
Joined: Oct 2004
Posts: 265
Anaheim, CA
Its interesting what wires they are connected to: one pole of a 2 pole 30A, one pole of another 2 pole 30A, and a single pole 20A.

I cant think of a single legal application where you would have this on a single pole of a 2 pole breaker.

BTW, are those white wires landing on the breakers, or is the sun just washing out the color?

[This message has been edited by dmattox (edited 06-27-2005).]

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