Siemens Q1515 Twin 15-Amp Circuit Breaker — Type QT Tandem, 10 kAIC Adjustable and the lever mixes flow

and the lever mixes flow and temperature in one smooth motion

dim to the hour

It cuts with a handsaw and solvent-welds with one-step ABS cement (no primer)

and the full 500-bag for the contractor wiring a whole house

granite countertops

Siemens Q1515 Twin 15-Amp Circuit Breaker — Type QT Tandem, 10 kAIC Adjustable and the lever mixes flowThe Siemens Q1515 twin circuit breaker fits two independent 15 amp circuits into the space of one, buying back panel slots in a load centre that's run out of room before it's run out of circuits. Type QT tandem construction stacks two single pole 15 amp breakers in a single 1 inch footprint, so a finished basement or added lighting run doesn't force a subpanel just to land one more circuit. A calibrated thermal magnetic mechanism handles both failure