Underwriters laboratories (UL) suggests that afci/GFCI Devices be tested every 30 days after installation to ensure they are properly working
120/240 Volt ACAmps: 20Volts AC: 120/240Poles: 1Type: HID
or c (not CT) load centers
it is 13/16\ in diameter
it is 1-1/16" in diameter
Eaton CH215CAF Plug-In Mount Type CH Branch Feeder Combination Arc Fault Circuit Breaker 2-Pole 15 Amp 120/240 Volt AC Underwriters laboratories (UL) suggests thatPart Number: 786685495170Part: Eaton CH215CAF Breaker, 15A, 2P, 120 240V, 10 kAIC, Type CH, Combination AFCI15 Amp, 2 Pole, Type CH Combination Fireguard Arc Fault Circuit Interrupter, Common Trip, 10 kAIC, 120 240 VAC. Amps: 15Volts AC: 120, 240Poles: 2Type: Miniature, Combination Arc Fault, BreakerInterrupt Rating AC: 10000Also known as: 786685495170, CH; CH Breaker; Arc Fault Fireguard Breaker; Combination Breaker; Eaton Breaker; Eaton Breakers; 15