Just my opinion...
I have been in the trade for several years now. I believe the problem with zinsco and federal pacific panels was that the breakers did not want to trip when a short was created. This would melt the breaker and possibly start the wires in wall on fire, but usually just the plastic breakers would burn in most cases, thus creating a panel fire. I have seen many perfect zinsco panels in my time, removed all the breakers and seen clean buses in some, and scorching as well on some range, heat, hot water, and dryer circuits. I've even changed out all the breakers for new style zinsco, when a service change was not affordable by some. These new breakers are not cheap! Even if an inspector finds a panel in good health, this just might mean the sysyem has never been faulted before. I wouldn't want to be on the other end of a zinsco breaker and count on it letting go(tripping)....Changing this panel if job was financially within reason 1,000-1,800 dollars, would be wise investment for both resale and safety.......good luck
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Last edited by triple D; 02-18-2008 at 08:32 PM.