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Weird SQ D Non CTL thing

Merry Christmas
B

Birken Vogt

Senior Member
Location
Grass Valley, Ca
The reason QO specifically would say non-CTL tandems to be used is that a few years back they changed their clip rail that the bottom part of the breaker clips onto. It used to be a round thingy, that breakers clipped onto. In CTL spaces they put a slot through it for these weird hooks. In recent times they have changed the round rail from plastic to metal so it becomes a PON neutral bus bar for modern full size scam breakers to clip onto. Well that seems to have done away with the space for the hook so now if you want tandems you have to buy non-CTL. Of course the non-CTL cost way more than the standard tandems. The whole system is broken in disarray.
 
electrofelon

electrofelon

Senior Member
Location
Cherry Valley NY, Seattle, WA
Birken Vogt said:
The reason QO specifically would say non-CTL tandems to be used is that a few years back they changed their clip rail that the bottom part of the breaker clips onto. It used to be a round thingy, that breakers clipped onto. In CTL spaces they put a slot through it for these weird hooks. In recent times they have changed the round rail from plastic to metal so it becomes a PON neutral bus bar for modern full size scam breakers to clip onto. Well that seems to have done away with the space for the hook so now if you want tandems you have to buy non-CTL. Of course the non-CTL cost way more than the standard tandems. The whole system is broken in disarray.
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Oh interesting, that makes sense that they were in a bind when they wanted to go to plug on neutral, wasn't compatible with their CTL breakers
 
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