Siemens space saving, plug in circuit breakers are intended for use in Siemens load centers and meter combinations that are rated to accept type QT breakers For Canadian applications Non-CTL version, use Siemens catalog number with “NC” suffix. Check panel wiring diagram to confirm QT dual beaker features two single pole, 15 Amp 120-Volts interchangeable Requires 1/2 the space of 1 inch width circuit breakers Provides a manual means of energizing and de-energizing a circuit Accepts #14-6 AWG Cu or #14-6 AWG Al wire 10k AIC series rated