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Old 04-21-2008, 04:45 PM
Tom Edwards Tom Edwards is offline
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Zinsco-type service equipment
I found a Zinsco-type panel (electrical service equipment) that was labeled made by a company named Kearney in Tucker, Georgia. The panel was installed around 1973.
It looks just like any other Zinsco panel but is labeled differently.
What do you think?
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Old 04-21-2008, 04:55 PM
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Gunnar Alquist Gunnar Alquist is online now
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Re: Zinsco-type service equipment
I think those are some beensy pictures.

Looks like Zinsco, but I have never seen anything other than Sylvania with the Zinsco breakers. Interesting.
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Old 04-21-2008, 05:09 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
I think those are some beensy pictures.

What is "beensy"?
And thanks for responding.
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Old 04-21-2008, 05:17 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
How's this?
Better?
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Old 04-21-2008, 05:23 PM
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Re: Zinsco-type service equipment
Quote:
Originally Posted by Tom Edwards View Post

What is "beensy"?

Tom,

Poor quality.

You can upload up to 195k. per picture.

Photo #1= 12k , #2= 10k, #3= 9k.
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Old 04-21-2008, 06:06 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
I suspected that was what he meant.
That's why I uploaded the full size photos for review.

I always downsize my photos for my reports so that they will email easier.
I also keep the full size photos on file.

Thanks.
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Old 04-21-2008, 07:07 PM
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Re: Zinsco-type service equipment
Tom,

Eeensy-beensy, itsy-bitsy, teensy-weensy. also know as small.

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Old 04-21-2008, 07:56 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
News.
I sent the photos to Daniel Friedman in NY.
He promised an inquiry and a reply soon.
I'll keep you posted.
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Old 04-22-2008, 05:53 AM
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Re: Zinsco-type service equipment
Tom,

Try this
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Old 04-22-2008, 06:31 AM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
I visited the link.
Other than the companies info I did not find any info or a link to service equipment by Kearney.
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Old 04-22-2008, 06:30 PM
Randy Clayton Randy Clayton is offline
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Re: Zinsco-type service equipment
Tom
Other than the type of system you obsevered what is the question here other tha type. Did you observe any hot spots or arching?? It is of my opinion if it aint broke don't fix it;you can inform your client but what is is is....
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Old 04-22-2008, 06:40 PM
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Re: Zinsco-type service equipment
Quote:
Originally Posted by Tom Edwards View Post
..That's why I uploaded the full size photos for review.

Thanks Tom,

Now I can see the slide on style buss bar through the Open knock out.
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Old 04-22-2008, 08:30 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
Quote:
Originally Posted by Randy Clayton View Post
Tom
Other than the type of system you obsevered what is the question here other tha type. Did you observe any hot spots or arching?? It is of my opinion if it aint broke don't fix it;you can inform your client but what is is is....
Since the equipment is not labeled as a Zinsco, Sylvania or ITE my question was "Is this the same equipment as a Zinsco?"
I expect to be informed soon enough.

It looks exactly like the same equipment but with a different label.
As a HI, I do not remove breakers for inspection. I do remove dead front covers. I have long ago joined the many HI's that inform their clients of any risky or hazardous equipment in use.
I keep council with many experienced electrical contractors who share my opinion regarding these hazardous electrical panels. Just like other ill-designed products you don't need to wait until you experience failure to remove the danger from your life.
Thanks for the inquiry.
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Old 04-22-2008, 10:14 PM
Trent Tarter Trent Tarter is offline
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Re: Zinsco-type service equipment
Tom those look like Zinsco brand breakers. I would describe the concerns that are related to these breakers no matter what brand of panel that I found them in. However the only panels that I have found them in have been either Zinsco or Sylvania panels.
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Old 04-23-2008, 05:09 AM
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Re: Zinsco-type service equipment
Tom,

From photos of the exterior front of the panel only, we are only guessing.

Do you have any photos of the panel with the cover off?

Did it have the "L" shaped bus bars and did the breakers have those long slots which fit over the "L" bus bars?

If so, they will be the same as Zinsco, if not, then they are likely something else. Looking at the shape and color of the breakers ... like everyone else ... they sure look like Zinsco, but ... what did the inside look like?
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Old 04-23-2008, 02:15 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
Quote:
Originally Posted by Jerry Peck View Post
Tom,

From photos of the exterior front of the panel only, we are only guessing.

Do you have any photos of the panel with the cover off?

Did it have the "L" shaped bus bars and did the breakers have those long slots which fit over the "L" bus bars?

If so, they will be the same as Zinsco, if not, then they are likely something else. Looking at the shape and color of the breakers ... like everyone else ... they sure look like Zinsco, but ... what did the inside look like?
Oops!
Here they are.
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File Type: jpg NC Hwy 150 083.jpg (145.7 KB, 8 views)
File Type: jpg NC Hwy 150 085.jpg (116.5 KB, 9 views)
File Type: jpg NC Hwy 150 117.jpg (143.3 KB, 19 views)
File Type: jpg NC Hwy 150 118.jpg (150.2 KB, 25 views)
File Type: jpg NC Hwy 150 119.jpg (146.5 KB, 17 views)
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Old 04-23-2008, 02:22 PM
Jerry Peck Jerry Peck is online now
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Re: Zinsco-type service equipment
Tom,

Whether or not it has the Zinsco name on them or not ... it looks like a duck ... it walks like a duct ... and a quacks like a duck ... that there is a duck, sir.

Zinsco/Sylvania/whatever.
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Old 04-23-2008, 02:28 PM
Tom Edwards Tom Edwards is offline
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Re: Zinsco-type service equipment
My thinking exactly.
I have Daniel Friedman doing research on the Kearney brand now.
Perhaps he should add this brand to the lable watch.
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Old 04-23-2008, 07:22 PM
Randy Clayton Randy Clayton is offline
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Re: Zinsco-type service equipment
Tom,and others responding,
You didn't answer the basic question where there signs of arching or hot spots in the panel box or not??? Did you red flag this panel just because of past history? I do not disagree with informing clients but what is the real problem here...
FPE type panels went through the same thing;got a very bad rep. deservible so but you can still purchase those breakers.
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Old 04-23-2008, 07:43 PM
Jerry Peck Jerry Peck is online now
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Re: Zinsco-type service equipment
Quote:
Originally Posted by Randy Clayton View Post
Tom,and others responding,
You didn't answer the basic question where there signs of arching or hot spots in the panel box or not???
The very basic question is answered by the fact that it is a Zinsco/Zinsco knock-off.

One of the two problems with those panels is those "L" shaped bus bars. They, and the large slots in the breakers, are designed to have the breakers installed 'straight in', however, to hook and lock the breakers in place, the back end must be hooked first, then the breaker rotated into place.

This causes scraping and damage to the bus bar by the breaker contacts, this also stretches those breaker contacts causing poor connections to the bus bars, both of these, or either of these, cause arcing, pitting and welding of the breaker contacts to the bus bars.

The only way to see that is by removal of the breakers, however, having had a Zinsco panel myself (which I replaced) I can tell you that none, nada, zip, -0-, of the breaker contacts with the bus bars were intact and undamaged. In fact, the only way I could remove some of the breakers from the bus bar was with a large crow bar (remember those things from times of old) - and one of the breakers I did remove that way came apart as the contacts were welded to the bus bar that well.

Like FPE, Zinsco is junk, and any HI who is afraid to call them that and to call out for their replacement deserves to get that 'fat letter' from the clients attorney informing them (the HI) that the client is suing them (the HI) for the replacement cost of the panel they (the HI) failed to call out for replacement.

Like it or not, that's the way it is, or should be for those who do not do so.
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