wrote in message
...
On Sun, 19 Nov 2006 17:33:24 -0500, "The Streets"
wrote:

I have a Siemens panel that in the past had a twin 20amp
breaker installed (ie. two 20 amp circuits in one space).

Needing to free-up another space, I bought a model QT
Q2020 twin breaker.

But -- I couldn't get it to seat in the panel.

Further investigating revealed that the new twin breaker
is a "Class CTL" and the old twin was not.

Questions
Can I get and install a non-Class CTL twin
breaker like the one that was already there?

Is it safe?


They do sell non CTL breakers "for replacelment only" but I would look
closely at the label on the panel and see if there are some CTL
compliant slots. You can usually swap breakers around to get to them.

Yes - the old breaker that works is marked "for replacement only".

I've checked the label but I don't see any mention of any slots being
different. In fact, I didn't see the letters "CTL" anywhere on the label
(though some of the print is quite small).

We bought this house new in early 2001. It was under construction in
2000, but I don't know exactly how old the panel might be. I read
that "Class CTL" came into existence in 2000.

I'm guessing that my panel doesn't have any CTL compliant slots. If
that's the case, any harm in installing another non-CTL twin?