AFAIK the _don't_ have UL stamp but the manufacturer states they've been
tested to UL and applicable ANSI Standards.
A search of the UL database didn't find Unique Breakers but I won't say
that's totally conclusive but suspicious that they've not actually
ante'd up the $$ for the UL listing. Whether that's 'cuz they think
they'd fail or just don't see it as cost-effective is no way to know...
But, they're not the old FPE and there's no reason a properly designed
and built breaker couldn't fit a FPE panel that would pass the UL
listing requirements. Unfortunately for them, FPE chose to try to
circumvent rather than fix... :(
So? All these have in common w/ the original FPE is they fit the panels.
There's an outfit in Canada whose name slips me at the moment also
UL didn't delist the FPE panel; and not every FPE breaker, only the
_specific_ ones. That of course was enough to break FPE.
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