RustyShackleford
Senior Member
- Location
- NC
- Occupation
- electrical engineer
On a new Siemens PON 42-space 64-circuit panel ...
Is it ok to use non-CTL breakers (on the bus stabs that don't allow CTL tandem QT type), as long as one does not exceed the 64-circuit limit ?
Why, one might ask, would you want to use more expensive breakers for no apparent gain ? Because Siemens puts all the QT-allowing stabs at the far end of the panel from the main breaker, and what if you want to put most of your AFCI/GFCI breakers at that end (and thus need to use the non-permitting stabs at the main-breaker end for QTs) ? IOW, for wire-routing convenience.
Is it ok to use non-CTL breakers (on the bus stabs that don't allow CTL tandem QT type), as long as one does not exceed the 64-circuit limit ?
Why, one might ask, would you want to use more expensive breakers for no apparent gain ? Because Siemens puts all the QT-allowing stabs at the far end of the panel from the main breaker, and what if you want to put most of your AFCI/GFCI breakers at that end (and thus need to use the non-permitting stabs at the main-breaker end for QTs) ? IOW, for wire-routing convenience.