Siemens QA120AFC Arc Fault Circuit Interrupter Breaker, 20 Amp Autumn_Cleaning It expands and contracts up

It expands and contracts up to 250% with the roof's movement to resist damage

lid & blades

Press firmly over entire surface

Four piece adjustable elbow twists for easy offsets

Digital Controller with Heat Meter

Siemens QA120AFC Arc Fault Circuit Interrupter Breaker, 20 Amp Autumn_Cleaning It expands and contracts upCombination type arc fault circuit interrupters (AFCI) detects arcing faults (an unintentional arcing condition in a circuit) that standard circuit breakers are unable to detect. The device is intended to mitigate the effects of arcing faults by functioning to de energize the circuit when an arc fault is detected. Installed in dwelling unit kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation