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#152346 - 07/27/04 08:26 AM 3 Phase Zinsco Panel
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Here is a couple pictures for those who have not seen a Zinsco 3 phase panel. IMO a very archaic design. FYI the inspection tag on the adjacent switchboard is dated 07/75.

- NORCAL


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#152347 - 07/27/04 09:23 AM Re: 3 Phase Zinsco Panel
Bjarney Offline
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If those are the classic “Q-series” Zinsco breakers, I am fairly certain that if they were removed, you could see a row of ”braided” busbars for each half of the panelboard, with colored plastic covering over the respective busbars, except where there is a protruding tab at each connection extending into each breaker-pole spring clip.

For lack of a better description, the “woven” black-red-blue sets of aluminum busbars look sorta like a piece of flat rope.
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#152348 - 07/27/04 09:25 PM Re: 3 Phase Zinsco Panel
NORCAL Offline
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Registered: 09/25/02
Posts: 865
The bus bars are plated copper,in tearing a couple of them apart for scrap I learned it is not worth the trouble,
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